Flashing Android without a computer. Video: Android firmware without a computer


Today we will talk to you about how to independently reflash a smartphone to Android via a computer. The procedure is not easy, and the firmware of each gadget has its own nuances, which you will have to clarify on specialized forums. But in general outline You will understand that when the right approach you can restore the device at home, install it on it third party firmware or update stock to new version.

Firmware for an Android smartphone using a computer

To begin with, we will warn you that in this way you can “kill” your gadget. In the language of people who understand, turn it into a “brick”. In this case, you won’t be able to get rid of it without going to the service center. You shouldn’t even bother flashing NoName firmware for gadgets from China; if you break it, they may not be able to be repaired at the service center.

Be that as it may, we live in the age of technology, the age of the Internet - world wide web, where, if you wish, you can learn literally everything: even the firmware of Android phones. Actually, what are you doing now? Well, let's get started....

Finding and installing the software required for firmware

It's no secret that for different manufacturers devices needed different drivers. Fortunately, they can also be downloaded on the Internet. For example, you have a smartphone from Samsung– drivers for subsequent firmware can be found on the official website. There are also Alternative option without searching for drivers - just connect the phone to the computer, and then operating system will independently select and download them (applies to Windows owners 7 and newer versions of window OS).

The next task is to download the firmware itself. The most popular Russian-language resource with official and custom firmware is 4pda.ru. Go to the forum, look for your device and firmware there. Choose the one that is most interesting to you and download it to your computer.

Then you need to assign Superuser rights to the program, that is, give Root access. How exactly to provide it, see our previously written article.

Now we return to the already familiar website 4pda.ru, or more precisely, to its forum and download the CWM-recovery file for your gadget (it is important that it is specifically for your device, otherwise you risk turning it into a “brick”).

We write a zip archive with the firmware and Recovery downloaded earlier into the device’s memory, or better yet, onto an SD card.

We return again to installed program Mobileuncle MTK Tools, launch it and it’s in automatic mode will find CWM-recovery on your smartphone, you will only need to confirm the update process by pressing the “OK” button.

Preparing for firmware

Without backup copy- nowhere! It will be useful to us in case unsuccessful firmware to restore the device's functionality. Go:


So, the backup has been created. To restore it, go to installed application CWM recovery, tap on the “Backups” item and select the recently created one there.

You should also save as a backup copy all data that may be erased during the firmware update of the device - contacts, photos, etc.:

To restore data from a backup copy, use the nearby “Restore” button - that is, “Recovery”. You will only need to indicate the path to the previously created backup and confirm its installation. As you can see, absolutely nothing complicated.

Installing firmware on an Android smartphone

So, the new Recovery is installed, now you need to log into it. First, fully charge your device. Turn it off and, using a combination of Power buttons and Volume Up, go to Recovery. Depending on the device manufacturer, the combination may differ.

Here we select “Wipe cache partition"and confirm our actions;
Now let's move on to the most interesting part - installing the operating system. Click on “Install from sdcard”, then on “Choose zip from internal sdcard” and find the file with the firmware downloaded earlier;

We confirm our consent;

We wait for the installation process to complete, after which we reboot the device and wait for it to boot. Don't be alarmed if the first download takes longer than usual - that's how it should be.

What to do if the phone does not start after flashing the firmware

If the startup process of the smartphone has not progressed beyond the logo, it makes sense to reboot it again. Didn't that help either? Then reflash again. Otherwise, we need to roll back to the standard firmware and restore the Backup. You already know how to restore a backup, but how to roll back to an earlier one installed version firmware? There is only one answer - no way, it will have to be installed via a computer.

Let's look at the process using Samsung devices as an example:

If the method does not work, and this happens, the road to the service center is paved. We warn you: the names of the programs and drivers are different for all programs, but in general the installation process is similar, so it will not be difficult to figure it out. We hope everything worked out for you!

Hi all! Today we will look at the simplest and most convenient methods for flashing your smartphone (or tablet).

The article is divided into the following sections:


Why is flashing needed?

Everything here is clear: either you have problems with your device, or you want something new, but the developers have stopped introducing new versions of the OS.

What are the firmware methods?

There are only two of them, but each in turn is divided into several more.

  1. Firmware via phone.
  2. Firmware using a computer.

Now we will look at several methods of flashing firmware using a PC.

Necessary preparation before the stitching process

All this needs to be done so that there are no disruptions to the installation of the new OS.

  • Fully charge your device and your computer;
  • Make a backup of your old OS;
  • Check if the USB cable is working properly.

Making a backup

The example shows Android 5.0 OS, but all the steps described below are almost the same in any version. Therefore, just carefully review these instructions.

  1. Go to your device's settings.

2. Select “System Information” and the “Memory” section. 3. Now click on the “Backup” button.

4. Now everything is simple: make a backup by selecting the items you need to save, as shown in the pictures.

5. That's it, the backup is ready. You can copy it to another device or use it.

Firmware using FASTBOOT

Now that all possible security measures have been taken, you can proceed with the firmware.
First, download Fastboot to your computer. Boot folder make programs in root directory drive C. For example, C:\fastboot. In this case, it will be easier for you to register the location of the firmware in the future.

The installation file can be downloaded from the link (Android debugging utility).

First, unlock the Bootloader
Bootloader is a program outside the Android system that provides access to the kernel of the device. It can be compared to the BIOS on a computer.
By unlocking it, we will get root rights - open access to the system. On devices various manufacturers this is done using different software. But there is only one algorithm, and it’s like this:

  1. You download and install the unlocking program in accordance with the device manufacturer.
  2. Then connect your smartphone via USB cable in debugging mode.
  3. Open the downloaded program, select your device and click “Unlock”.

Unlock example
Here is an example of unlocking a device manufactured by HTC.
1. Download and install HTC Bootloader Unlock.
2. Then connect the device to the computer in debug mode. Everything is quite simple here: go to the “For Developers” settings section and select “USB Debugging”.

3. Now open the downloaded program and confirm debugging (on your Android device).

4. All that remains is to simply unlock it by pressing the “Unlock” button. The process can actually be done through the Windows command line. This program only automates the unlocking process.

5. To exit HTC Bootloader Unlock, click “Finish” after completing the botloader unlocking process.

Note: There are unlocking programs for a smartphone or tablet from any manufacturer. For example:
Nexus – Nexus Root Toolkit;
Samsung - Kies;
Sony Sony Bootloader Unlock.
If your device is from another manufacturer, just search the Internet for the appropriate utility.

Firmware process

  1. The first thing you need to do is connect to your computer in USB debugging mode. How exactly to do this is described a little earlier.
  2. First move new firmware to the C:\fastboot directory

3. Now put your device in fastboot mode. IN command line enter the commands as shown in the screenshot.

4. In order for flashing to be successful, you need to format all directories on your device. Enter these commands in the command line one by one (after each - “Enter”):

  • fastboot erase boot
  • fastboot erase userdata
  • fastboot erase system
  • fastboot erase recovery
  • fastboot erase cache

5. Now you can start flashing the firmware. From the folder with the firmware (the “fastboot” folder), run the flash-all bat file. This is what it looks like on the command line:


6. After the successful flashing process, you will see a message about this.
That's all, the device has been reflashed. And after rebooting it, you can verify this.

Reflashing using the ODIN MULTI DOWNLOADER program

1. First, you need to connect your phone to your computer using a USB cable, in debugging mode. After this, be sure to run the Odin Multi Downloader program as an administrator.

2. Then specify the location of the firmware you want to install. Here's what you need to do: click on the BOOT button and select the firmware file.

Note: if your firmware consists of several files (mostly there are three), then the path must be specified accordingly:
PDA file – in the “PDA” field;
file Phone – in the “Phone” field;
CSC file – in the “CSC” field;
3. Now you need to restart your phone. This can be done using key combinations (volume up + screen lock button + center button). As a result, the computer should recognize the phone, thereby a yellow field with the name of the COM port will appear on the screen.

4. After you click the “Start” button, the system update will begin. During this time, do not disconnect the phone from the computer. During the installation process, the smartphone will reboot several times, but you should not pay attention to this. After successful firmware installation (which takes about 10 minutes) the word “PASS” will appear on the computer screen.

After completing all the steps according to these instructions, you will be able to use any version of the Android operating system. In addition, it is worth noting that this program Suitable for flashing Android devices from any manufacturer.

Flashing an LG Android device using the KDZ UPDATER program

If you have a phone or tablet from the manufacturer LG, then it will be easier and more correct to flash it using the KDZ Updater program. How exactly to do this?
1. First download the program KDZ Updater. Actually, this is an archive that needs to be unpacked into a folder located in the root system disk From your computer.

2. Add the firmware you need to the same root folder. Here is the executable file of the program, this is the only way the firmware will be visible to the program.

3. Be sure to install the action policy file called msxml.msi
4. Now enable USB debugging mode. Exactly how to do this is described above.
5. Switch the device to S/W Upgrade mode. Namely:

  • turn it off;
  • take out the battery;
  • hold down the volume down key and insert the USB cable.
  • the corresponding inscription “S/W Upgrade” will appear.

Notes:
if you were unable to enter the S/W Upgrade mode, then try doing all the steps described above without removing the battery;
also try pressing both “sound rockers” instead of the volume down key;
In order for the firmware to become possible, you need to disable the LGE program Mobile USB Modem in Device Manager.

6. Now it's time to start flashing. Run the executable program KDZ_FW_UPD.exe from the root folder on drive C as an administrator.
Note: hover over the program icon and click right click mice. Select "Run as administrator".

7. Set all parameters as shown in the screenshot and click “Launch software update”.

8. After some time (about 10 minutes), the firmware will be completed. Just reboot your device and enjoy the new interface.

Firmware for smartphones and tablets from Lenovo

Why did I also bring up this topic separately? Because for Lenovo devices There are some nuances that create certain difficulties. However, there is also a program that compensates for them. What exactly? Ease of use and its intuitive interface.
So, let's begin.
1. You need a program to flash SP Flash Tool s. Download it.
2. To continue the firmware, you need to install drivers on the device. As a rule, they are not automatically installed upon connection. Therefore you need to do it manually.
download drivers according to your device model;
enter into the device manager on your computer (the above shows how to do this);
turn off the device;
connect the device via USB cable to the computer;
right-click on the device that appears (unidentified) and select “Install driver from a specified location”;
select driver.

3. Now launch SP Flash Tool. And show the way executable file firmware (scatter file). Click on "Scatter Loading".

5. And only now connect the device to the computer.
6. Once the flashing is completed, you will be notified of this by the appearance of a bright green ring on the computer screen.

When you turn on the device, the first boot of the system will take quite a long time (5-10 minutes). That's how it should be, don't worry.

Brief summary

As you can already see, for Android devices from some manufacturers there is special software that facilitates the firmware process. So use it first.
However, there are many methods for flashing an Android device using a computer. There are so many utilities that make this process easier. But the above methods, in my opinion humble opinion, are one of the most comfortable and lightest. So read, understand and go ahead!

The most popular OS that can be installed on a phone or tablet is Android. Many mobile devices are perfectly integrated with this software, which is why the world's leading electronics manufacturers focus on it. The software has proven itself well, and its older versions will be relevant for a long time. However, if it is possible to update it yourself, why not update the system?


New release yet would be better suited for the device, optimizing its operation and increasing performance parameters. But how to reflash an Android phone via a computer at home to a new version, and what additional information do you need to know? After all, all publications have approximately the same functionality, as well as big number available applications that can be downloaded through Play Market. Is it really necessary? this procedure Or is it better to do without it, leaving your device alone? Let's say right away that over time, most owners still feel the need to update. Let's find out!

In some cases, installation of the application and further use of it require root rights. Standard firmware Android doesn't give you admin capabilities. For example, overclocking the processor of any mobile device will also be available only if you have root permissions. Thus, using a computer, you can quite easily reflash the Android version (if you do everything correctly), getting rid of many unnecessary restrictions inherent in the production process. Can only be installed on a smartphone necessary programs, which, of course, take up less space. This allows you to make the device work more optimized and faster.


It is also possible that a significant period may pass from the moment of issue to purchase. During this period, the software becomes outdated, and it is not at all necessary to use outdated software, because it can be easily updated. In general, it is quite easy to reflash Android via a PC. Although this can be done without a computer, there are a lot of options here, and it’s worth navigating according to the situation. There are a few great ways, about which there will be information further.


Why is official firmware desirable?

Remember that the OS firmware must be original. Of course, many amateur options also exist. Such publications help smooth out some of the shortcomings of the OS and increase the resource of the device. However, the software may be supplemented with bugs that were not there before, which may not in the best possible way to impact on mobile device. We tried to collect the most common, accessible and understandable options so that you, dear users, have no questions left.


  • Flashing is done directly through the device, which already has the installed Android system. If the smartphone in question has Android 4.0 installed, open the settings section and select the option called “Phone information”. Here you will need to click on the “Software Update” item. After this, the automatic procedure for updating the firmware on the device will begin.
  • In the “Auto-update” box, check the box. We recommend that you enable the Wi-Fi Only option. This will protect you from accidentally downloading updates via mobile traffic. It’s okay if it’s unlimited or the update isn’t very big. The opposite case may also happen, so funds that could have been saved will be spent. Click on the "Update" button to start checking for the new version.


Reflashing Android using a computer is only available if the battery is sufficiently charged and its resource will last for long time. This method of updating the firmware is no longer so convenient, because the process can sometimes simply end. It is recommended to update using special programs. Before this, as a rule, the phone or tablet is connected via USB to the PC port.


Programs for firmware

As, in fact, was mentioned above, flashing your smartphone is easily done through the Odin software. The program provides an excellent opportunity to install official firmware for a wide variety of devices. The method is indeed very convenient and simple, and also allows you to try out the functionality of your mobile device to the fullest. There's only one here important nuance. By upgrading, you will void the factory warranty. What is the right way to do it? The answer is quite logical: carry out all operations related to Not official firmware after the expiration date warranty period. In this case, the user loses almost nothing.


We focus our attention on the official firmware procedure Samsung Galaxy. The program is perfect for this mobile device Samsung Kies. The application was created based on similarities from iTunes, and it will help to completely synchronize your smartphone with the PC to which it will be connected. The utility also allows you to easily move audio, contacts, various documents and many other information and content. Before updating, we urge you to create a backup copy of all data in your phone's memory.


Where to begin?

  • First of all, install the program on your PC. During the installation procedure, drivers will be downloaded to your smartphone and computer. Then, after launching the application, you will need to connect the device via USB port. You may have to wait a bit before it is detected by the computer.
  • After opening the software window with the device data, click on the “Firmware Update” item. Now you need to click on “Update”, then confirm your choice and agree to the rules. All you have to do is wait until the end of the procedure – touching your smartphone and disconnecting the USB cable during this time is prohibited.

It is quite possible that the firewall or antivirus program on your PC will notify you with a message that for further actions Samsung apps Kies needs user permission. During the update, it is also advisable to disable the antivirus on your phone so that the system can be updated normally. That's all - all that remains is to confirm the completion of the update.


Samsung Galaxy firmware via Odin

To flash your phone using this application, you will first need to install the driver that comes with your smartphone. It is also easy to find on the Internet on the manufacturer’s website, and then quickly install it on your computer. Now select the firmware itself: its different versions available on many forums, torrents and file hosting sites.

The firmware file is distributed under the OPS extension. After all, the user only has to press three keys on the smartphone at once: power, home and volume down. You will see a “Downloading” information notification on the device screen, which will indicate that work has begun.


How to connect your phone to your computer?

  • A special USB cable will help you with this, one end of which is suitable for Android devices, and the other has a completely ordinary adapter that plugs into a computer port that is convenient for connection. After this, launch the Odin software. It is recommended to search carefully to use the latest version of the application, as... this will directly affect the firmware release date. Find “Select OPS” in the menu, and then select the “OPS” item, which will be located just above.
  • Specify the exact path to the firmware file and click “Start”. The download of files and the update process will begin, the end of which will have to wait. In general, everything will take a few minutes. Actually, after completing the actions in the first window you will see Announcement with the word “Pass” - this indicates a successful firmware change.

How can I reflash my phone and tablet in another way?

There is another one effective way Android OS updates on your portable device. Switch it to the special “Downloading” mode by pressing the combination: power, home, volume down. If everything is done correctly, you will see the Android logo on the screen and a message indicating that the download mode has been set. After this, the process of downloading Odin Multidownloader and subsequent installation of the software will begin directly. By the way, the program is easy to find on the Internet using one of the popular search engines.

The application can be called professional, so when correct use Absolutely nothing bad should happen to them. Many service centers have this program in service and quite successfully reflash and configure customer phones. Again, we recommend taking files for the firmware from a trusted forum, or better yet, from the manufacturer’s official website.


  • For full firmware four files will be required. The main one is PDA. For correct operation with your network mobile operator Phone is required. The CSC contains all telephone configurations and settings, and the PIT stores service information databases. Make sure you have all such files. There are also cases when all the firmware is located in a single file. Then its format will be PDA. If the work on updating the smartphone firmware is carried out on Windows 7, 8, 10, the steps described above will be quite sufficient for the user.
  • In the case of Windows XP, Kies is installed as an add-on, since it may be necessary to install drivers on an updated Android mobile device, or some other drivers. Remember that selecting the latest version original driver always possible on the official website. Thus, if actions are being taken to flash an Android smartphone or tablet to Windows, then certain Microsoft driver components will be needed.
  • The next step is to suspend all Kies processes - there are several of them. To do this, you need to call the “Task Manager” and in the “Processes” tab close all lines in which the word form Kies is present. Of course, all of them must have the status of completed. Now restart the Odin application. There is no need to touch the phone yet, because... The device is in booting state. We simply connect it to the PC using a cable and press the volume up key. Software update mobile device began. In the Odin interface window itself, the very first section called ID:Com should turn yellow.
  • There are several points in total. Check the boxes for Autorebort, re-Partition and F_reset and click on “Start”. We are waiting for all actions to complete. When finished, the word “Pass” will appear and a green tint will appear. You need to reboot your smartphone, and only then start working with the new version of the newly installed software.
  • You can check all the information about the firmware version in the settings by opening the corresponding item. To find files that will help you flash the firmware of any other device, visit the official website or one of the popular forums, where all the relevant information is available. Let's say for a Lenovo update it is used Open Source Code. And it’s important to remember all this. The described method is far from the only one, but it, like the others, does not require any special knowledge. As you can see, solving the problem is quite easy.

Flashing Android OS via Personal Computer It is also possible with TAR archives, or programs of three files. This method has not gained much popularity because not all programs can integrate well with three-file structures.

When an Android phone slows down, nothing works, and the usual clearing of the cache, freeing up memory and other actions do not help, then you have to resort to such an action as flashing the phone. How to reflash an Android phone via a computer if you have never done this? In fact, there is nothing complicated in this process and you can reflash the phone yourself at home.

Firmware is a package with software which includes:

  • Android operating system
  • drivers that provide normal work hardware (your phone)

To flash means to install a software package. Installing an operating system on a computer and on a phone is very different. Since the operating systems themselves are generally different, as well as each phone model has its own firmware, this must be taken into account so as not to turn the phone into a brick. Many people have such problems when they try to install firmware from another phone model.

The instructions below will help you reflash your phone at home.

People create and program all gadgets. And every electronic device can fail. Some failures, so to speak, correct themselves, and in some cases you have to flash the device. For example, rebooting a phone cyclically and removing the battery does not solve the problem, then the only way out, this is to flash the device with new firmware.

Due to the openness of the Android operating system, gadget manufacturers adapt the operating system to their model. Many users reflash the phone at their own risk, despite the fact that it already works well with the firmware from the “store”. And all this is done to update your electronic friend and get more features. Users find information about new software for their model from various sources and install it on their phone at home.

It would seem simple to flash a phone, but it’s just as easy to turn it into a brick. Due to lack of experience or carelessness, many users encounter this. If the firmware is not downloaded from an official source, then it is not known what is in this firmware. It's better to download from the manufacturer's website. And after flashing the firmware, the warranty on the device disappears.

How to flash an Android phone yourself

The success of this operation depends on how well you prepare for the firmware.

Preparation for firmware includes:

  • Fully charging the device
  • Find out the exact model from the phone settings and download the firmware specifically for this model

Each gadget user decides for himself which firmware to use, official or third-party.

Methods for installing firmware on a phone

Update. This is when the manufacturer itself offers you to update the firmware over the air. To do this, go to the “About phone” section in the settings and go to the “System update” subsection. This method is suitable if the device is in good condition.

Manual installation. This option implies different installation depending on manufacturers and different programs which are called "Flashers". For example, for gadgets from Samsung the Odin program is used, for Nexus, Sony and HTC - Fastboot, Lenovo - Flash Tool, LG - KDZ Updater and etc.).

Flashing using ROM Manager:

  • You need to root your phone.
  • Install the program " ROM Manager»
  • Create a copy of an existing OS
  • Find and download firmware for your phone
  • Install and check

You can install the ROM Manager program from Google Play. Then by opening the main application window and clicking on top line you can install “ClockWorkMod” (CWM), and using the second line – “Load Recovery Mode”.

When you install CWM, the phone should not be connected to the computer.

By clicking on “Install CWM” you will need to specify the exact name of the gadget and wait for the installation procedure to complete.

Where can I get firmware for Android?

The firmware can be downloaded from the official websites of the manufacturer, but you can also easily find firmware on third-party websites, such as 4pda and the like. On such resources you can find both official firmware versions and modifications.

If you use the “ROM Manager Premium” utility, then it’s even easier, you need to click “Download firmware”. After this, the program will display the appropriate software for your device.

Why do we need non-official firmware (custom)

Unofficial firmware is made for more better work device, as well as adding other useful functions and other design.

Some users are confused by the choice between official and custom.

When choosing custom firmware, you get root rights, which also give additional features. In some cases, this helps save battery power, improves performance, and also has a prettier design.

Thanks to root rights, you can completely control and improve your device. Remove unnecessary utilities that you could not remove in the official version. Change fonts, as well as configure the GPS module.

How to reflash an Android phone via a computer at home

If you are planning to reflash your phone via a computer, then you need:

  • Install drivers on your computer for your model.
  • Download firmware for your device.
  • Make a backup copy of your working firmware so that if something happens you can revive the phone.
  • Install the program through which we will flash it.

This method is the same for any Android device. Below is an example of working with the Odin flasher from Samsung:

  • Go to download mode and connect the phone to the computer. To switch to download mode, you need to press the keys simultaneously: “Home”, “On/Off” and “Increase sound.”
  • Odin should recognize the phone.
  • Next, in the “AP” column we indicate the path to our firmware.
  • Check the boxes next to “F. Reset Time" and "Auto reboot";
  • Click start and wait for the firmware to finish.

How to flash Android from SD card

As with any firmware, you need to charge your phone.

  1. Launch “ROM Manager” and click “Install ROM from SD card”;
  2. We indicate where the downloaded firmware is located;
  3. In the menu that appears, check the boxes that interest the user and click “Ok”;
  4. Wait for the installation procedure to complete.

How to reflash Android via Recovery

To reflash the phone via Recovery, you must first upload the firmware to the memory card and follow the steps:

  • Turn off the device.
  • Press the keys simultaneously: “On/Off.” and “Increase sound level” (on some models the button combination may be different);
  • In the window that appears, indicate “ Recovery Mode» (the transition between columns is made by using the buttons to increase and decrease the sound level);
  • Next, specify “apply update from external storage” and click the “On/Off” button;
  • Wait until the process completes.

How to flash a phone if it won't turn on?

Flash the device if the bootloader itself is not damaged. To make sure that the bootloader is working, you can press and hold the On/Off button. If the device will display a robot or Exclamation point or other signs, then we can conclude that the bootloader is working. You can also try connecting the device to your computer via USB. And hold down the keys on the device “On/Off.” and "Volume". If the computer has detected the phone, then you can safely try to flash it using the methods listed above and the procedure will be 95% successful.

What to do if the flashing fails?

If the firmware is unsuccessful, you can restore the system; for this, we make a backup copy before flashing.

You need to do the following:

  • Reinstall “ROM Manager”, since the new unsuccessful OS does not have it;
  • Click “Backups”;
  • Next, specify a copy of the OS in the menu that appears and click on “Restore”;
  • Wait for the process to complete;
  • Ready. The old OS in the device has been restored.

In this article we will tell you how to reflash Android. Why do you need to flash an Android and is it so difficult to flash Android? Phones, smartphones and tablet computers are reflashed to gain greater functionality of the operating system. But many who encounter this operation for the first time do not know how to flash an Android tablet or how to do the same on another gadget.

For example, starting from Android 4 included in the OS by default voice recognition speeches from Google. In general, it is worth flashing Android for general purposes or if there is a serious problem with the operation of your tablet or smartphone. Let's figure out how to flash Android correctly and what you need for this.


How to flash Android

Most device models and manufacturers such as ASUS, Acer, Samsung, Ritmix, Alcatel, Explay, Digma, Fly, HTC, Huawei, LG, Motorola And Sony Ericsson can be flashed. Android firmware is a responsible thing, so first you need to prepare. If you decide to reflash your Android tablet or smartphone, then first do the following:

  • Make sure that the device is charged and will not turn off during flashing. Better let it be 100% charged. This important point, because if the tablet or smartphone turns off while it is being flashed, this will lead to the loss of the system and data.
  • Check the OS version of your gadget and what firmware is installed on it this moment. This can be found in Settings > About phone. The Android version, kernel version and build number will tell you which operating system is currently installed.
  • After this you need to find new firmware for your smartphone model or tablet computer and download it.

So, from our publication you will learn:

  • How to install custom ROM files.
  • How to create a backup copy of the current system and the state of the phone before flashing.
  • How to roll back firmware on Android.

A little about custom firmware

Flashing an Android starts with choosing firmware. We will not consider any specific creations of the developers, but will simply give an explanation of what it is. The network is full of custom firmware, which, according to their authors and users, is somehow better official versions.

First of all, if your device supports outdated version official firmware, you can find a custom, newer version of Android. Also, there is a relatively common belief that custom versions extend the life of the device. In fact, it’s not necessary once at a time. They can extend it, or they can shorten it, depending on the gadget. In any case, updating the custom version of the firmware does not save much battery power.

Often the advantage of custom firmware is that they correct the shortcomings of the official versions and have some additional settings and functions. Many custom firmwares have small size, greatest number settings (or the smallest, depending on the direction), work faster. Of course, if you decide to choose such firmware, then you need to do it carefully. Viruses and bookmarks have not been canceled.

There are different firmwares, they come in ZIP archives, or consisting of several files. Depending on this, you need to choose how to reflash Android. Let's return to the topic of the article and finally find out how to install firmware on Android. Updating the Android firmware is not difficult.

Android firmware from ZIP archive

The first thing you need to reflash Android is . Unfortunately, this is not possible on all devices, and once you get to the root access, you will lose the warranty, as well as with firmware. Next we make a backup. We have already written, . That is, for firmware you need:

  • Install on Android application for system recovery, for example ClockWorkMod. This is a program for Android firmware. ABOUT recovery applications can be read. With them you can roll everything back if something goes wrong.
  • Download the official or custom ROM version that has been developed and ported for your device.
  • MicroSDHC memory card for temporary storage of firmware files.

System backup with using ClockWorkMod it's done like this:

  1. Launch ClockWorkMod Recovery.
  2. Select “Backup & restore”.
  3. Next is “backup”.
  4. Confirm “YES”.
  5. Reboot by clicking “Reboot system now”.

After these steps, a backup copy should appear on the memory card in the “clockworkmod/backup” folder. The name of the backup consists of the date and time it was created. So, we made a backup, opened the root, inserted the card - we can start flashing:

  1. After downloading the ROM file, write it to the memory card. The firmware name may contain letters and numbers. The file itself must be in a ZIP archive.
  2. Disconnect the gadget from the computer and charging.
  3. Turn off the device and (how exactly to start depends on specific device). If you don't know how to load the recovery menu of your Android devices, then you need to look for a way to launch it or ask here in the comments.
  4. Next in the menu you need to find the “Wipe” item, which erases current information about the system.
  5. After erasing, return to the root menu and select the “Flash Zip from SD Card” or “Install zip from sdcard” option. The text may differ depending on the application, but the essence is the same - firmware from a ZIP archive.
  6. Find ROM firmware, which is in a Zip file.
  7. Confirm the firmware by following the on-screen instructions.
  8. If there are no errors during the firmware procedure, then everything is flashed and you can reboot the device by selecting “Reboot system now” in the root menu.

How to reflash Android with three-file firmware

You can flash three-file firmware using the application Mobile Odin Pro. This is another program for flashing Android. When installing firmware using this method, you don’t have to open ROOT access. So, you can reflash Android with three-file firmware like this:

  1. We write files to a smartphone or tablet (three files with words named CSC, CODE, Modem). It is better to put all three files in one folder.
  2. In the window that appears, you need to find and select the file with the word “CODE”.
  3. After selection, click “OK”.
  4. Next you need to select the “Modem” section.
  5. In the window that appears, you need to find and select the file with the word “Modem”.
  6. After selection, click “OK”.

How to flash Android from a TAR archive

There are also firmwares that are packaged in a .TAR archive. In principle, everything is the same as in previous instructions. With such firmware, you can reflash the phone like this (you will need it again Mobile Odin Pro):

  1. In Mobile Odin Pro, select “Open file”.
  2. In the window that appears, we find and select our firmware, that is, a file in the .tar or .tar.md5 format, which was previously written to the created “Firmware” folder.
  3. After selection, click “OK”.
  4. Next, you need to check that all sections contain data.
  5. After checking, click “Flash Firmware”.
  6. We wait for the flashing to finish; the operation can last ten or more minutes.
  7. If during the firmware installation a request appears to reboot the device, then you need to press the center button.

A few words should be said about how to flash a Chinese Android. Chinese gadgets are also flashed, but the difficulty here is what to find the required firmware not easy. To do this, you need to find out exactly what firmware is on your device. That's all, we hope our instructions on how to flash an Android phone or tablet were useful. You do all operations to flash Android at your own peril and risk.


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