Wi-Fi does not turn on on iPhone 4s. Wi-Fi doesn't work on iPhone
A large number of Users are faced with the fact that Wi-Fi does not turn on on the iPhone 4s. This problem is common in fourth-generation gadgets.
Most breakdowns are based on the fact that the module wireless connection It is overheating or the problem is software in nature.
The main reasons for incorrect Wi-Fi work:
- The firmware version is incompatible with the hardware characteristics of the phone;
- iPhone is infected with a virus or installed hidden application, affecting the operation of the Internet;
- Wi-Fi slider is colored in grey colour and does not turn on;
Incompatibility of firmware and hardware features of the device
Before you begin solving a problem, you should determine why it arose, as well as its nature: it can be hardware or software.
Many users have encountered Wi-Fi breakdown after Apple company has released a mandatory update for all devices - the new eighth version of the operating system iOS systems.
It will help solve the problem iPhone recovery 4s:
- Before restoring the system, you must do backup copy data from iTunes and/or iCloud so that user data is not lost during the system recovery process.
To start the recovery process, download the file with the seventh version of the firmware, which is in ipsw format. Download the file from the official Apple website;
- Connect your iPhone 4s to your computer with using iTunes. Then press the Home and Power buttons on your smartphone at the same time. Thus, the smartphone will go into DFU mode;
Simultaneous pressing Home buttons and "Nutrition"
- Next, iTunes will notify you that a device has been connected to the computer that requires restoration. A window will appear as shown in the picture;
- Next, the system will prompt you to select a file with the firmware. Select the recently downloaded ipsw file. Wait until the operating system is reinstalled, after which your 4s will restart itself and be ready for use.
The influence of third-party software on the operation of the Internet connection. Hard reboot of the smartphone
The operation of Wi-Fi may be affected by viruses or other programs that work with the Internet.
First of all, try checking your smartphone for viruses and remove it recently installed programs.
To fix the problem without flashing your phone, you can try resetting all settings to factory settings.
This method almost always restores Wi-Fi operation:
- Go to settings 4s. Find the “Reset” item;
- Click on delete content and settings;
- Clean your device and wait until it reboots completely.
Solving the problem with the gray slider (hardware problem)
Often the cause of a problem when connecting to Wi-Fi is a hardware failure of the network connection module.
Direct evidence of this failure is the gray connection on/off slider, which does not respond to user actions.
Module failure may occur after severe overheating device, moisture entering the housing or falling.
A professional service center will help you get the module working in your iPhone 4s.
If you understand the hardware structure of a smartphone, you can try to solve the problem yourself.
Advice! Proceed to repair your phone yourself only if you are confident that you can get the device working! Otherwise, contact a specialist.
For repairs you will need the following auxiliary items:
- Small screwdriver (phillips);
- A special screwdriver for iPhone, which is designed for unscrewing the bottom screws;
- Carpenter's hairdryer. If you don’t have one, you can use a regular household hair dryer, which has functions for switching operating modes.
Follow following instructions:
- Unscrew the bottom screws, which are shown in the picture;
- Remove back cover and unscrew the four screws as shown in the photo;
- Pry up the protective metal block;
Users of all iPhone generations Over time, they encounter problems recognizing the Wi-Fi network. Let's take a closer look at why Wi-Fi doesn't work on an iPhone and how to fix this problem yourself.
Before you fix the problem on your IPhone, make sure your router is working properly. Connect to it from another device. Also try restarting your router and trying to connect to it again. Make sure you enter the correct password.
We update iOS
Unstable work wireless network may be a consequence of using outdated version IOS. To check your phone for available updates, go to Settings-General and then click on Software Update. This update method involves downloading new version firmware “over the air”, that is, this requires a working connection to the Internet (for example, to a 3G network if there is no Wi-Fi).
Also, users can update the firmware using iTunes. Connect your phone to your computer. The “Overview” tab in iTunes displays all the basic information about the device (model, phone number, firmware version, etc.). To check for updates and install them, click on the “Update” button.
Use this method if Lately The phone finds Wi-Fi networks and connects to them, but the connection speed is very slow.
Resetting Wi-Fi network settings
Often Wi-Fi does not work due to incorrect settings. Perform a reset by clicking on the icon to the right of the access point name in the Wi-Fi window. In the list that appears available options select Forget Network. Then turn off Wi-Fi, restart your phone and try to detect the network again.
Turn off Wi-Fi in the window system services. Select Settings-Privacy-Location Services. In the system services window, make sure that Wi-Fi is turned off. After this, reboot your device again.
Hard Reset
If Wi-Fi does not work on your iPhone and the networks are not displayed in the list of available access points, or the phone has connected to the network, but not a single Internet page loads, you need to do a Hard Reset - resetting your smartphone. After this, all data will be deleted from your phone; we recommend making a backup of your files and contacts.
Go to Settings-General. Select Reset and click on “Reset settings” at the bottom of the page. After this, the phone will turn off and start hard reset. The procedure may last 10-30 minutes. A hard reboot can resolve most issues. software problems in iPhone.
Hardware failure
If none Wi-Fi network is not recognized, the problem may be caused by a faulty Wi-fi module. Replace the part with a new one to eliminate the problem. The Wi-Fi module in iPhones is a chip located in the upper right part of the case. The circuit is covered with a protective panel. The figure below shows the location of the part.
The problem may be with the antenna, which works with Wi-Fi signals and Bluetooth. If these two technologies do not work simultaneously on your IPhone, change the antenna. This hardware component is a plate at the top of the smartphone. Underneath it are the cable connectors. Replacing the antenna can solve the problem of poor connection to Wi-Fi and Bluetooth networks.
You can find any instructions for self-repairing an iPhone on our website, or call a specialist for to any place convenient for you.
Most often, WiFi does not work on iPhone 4s for several main reasons, the main one of which is weakness WiFi module towards external factors. Water ingress, overheating, pollution - any intervention can be fatal, but all this is fixable.
In addition, there are less predictable reasons, the ways of identifying and eliminating which every owner of Apple equipment should know.
Why WiFi doesn't work on iPhone 4s: main reasons
There are several possible events that led to this failure:
- Crooked firmware or incorrect installed configuration. The device itself is intact and functions correctly, but due to glitches in the system or incorrect signals, it is interpreted incorrectly, which creates the illusion of failure.
- Third party software, affecting the Internet channel. Some applications, intentionally or accidentally, can completely clog the communication channel with background streams, which makes you wonder: why doesn’t WiFi work on iPhone 4? Closing them is not enough; decisive action is required to clear the phone’s memory.
- Module failure. The saddest situation, entailing either long hours of painstaking self-repair, or large costs for paying for the services of a service center. Here, independent intervention can worsen the situation.
Don’t be afraid in advance: even if Wi-Fi doesn’t work on your iPhone 4s, you can still fix it, often on your own.
Flashing and resetting
As mentioned earlier, an unsuccessful update or a faulty flashing of the phone can lead to incorrect operation of the modules. In the absence of other reasons, all this can be corrected in two ways:
- Safe method. If WiFi does not work on your iPhone 4s, then make a backup in iCloud or via iTunes, and then reset the settings to factory defaults. To do this, go to Settings -> Reset -> Reset all settings. If the iOS image was intact, after some time iPhone time will start up again and work without interruption.
- Dangerous method. If Wi-Fi does not work on the iPhone due to a broken firmware or the iOS image is broken, then the only way out– flashing via DFU mode. If you don’t know how to do this, it’s better to contact service center, so as not to turn your apple device into a brick.
Third Party Applications
When wondering why Wi-Fi doesn’t work on iPhone, first of all check all incoming and outgoing traffic. It is possible that some of the recent installed applications Something is constantly downloading in the background. The solution to this problem is trivial: delete the application and restart your iPhone.
If there are no signs of the Internet being busy, but WiFi still hasn’t started working, then do a hard reboot by holding down the Power+Home keys for 5-7 seconds. This will help clear not only the Internet channel, but also RAM along with processor registers.
Physical breakdown and repair
Wi-Fi does not work on iPhone 4 after the procedures described above? Well, our condolences: you are faced with mechanical damage communication module. It is strongly recommended that you immediately take the device to service, but if you want to try to fix everything yourself, read below.
WARNING: You carry out all actions at your own peril and risk; the described algorithms are not recommendations.
You will need: a hair dryer (construction or regular), a set of screwdrivers for disassembly and free time.
- "Lazy" blowing. The phone warms up without disassembling, which allows you to remove moisture from other components. Unfortunately, after such a purge, the service life of the phone is a maximum of several months (although there are lucky people who still use iPhone 4).
- Gentle blowing. WiFi doesn’t work on the iPhone, so let’s remove the module itself and heat it with a hairdryer. With this method, even careless actions are less sad: only the module will need to be replaced, while the rest of the phone can work for years.
In both cases, the main thing is not to overdo it and let the device cool down before starting, otherwise you risk spending money on repairs. more money than buying a new iPhone (especially if there were no data backups).
Most often, WiFi does not work on iPhone 4s for several main reasons, the main one of which is the weakness of the WiFi module in relation to external factors. Water ingress, overheating, pollution - any intervention can be fatal, but all this is fixable.
In addition, there are less predictable reasons, the ways of identifying and eliminating which every owner of Apple equipment should know.
Why WiFi doesn't work on iPhone 4s: main reasons
There are several possible events that led to this failure:
- Crooked firmware or incorrectly installed configuration. The device itself is intact and functions correctly, but due to glitches in the system or incorrect signals, it is interpreted incorrectly, which creates the illusion of failure.
- Third-party software that affects the Internet channel. Some applications, intentionally or accidentally, can completely clog the communication channel with background streams, which makes you wonder: why doesn’t WiFi work on iPhone 4? Closing them is not enough; decisive action is required to clear the phone’s memory.
- Module failure. The saddest situation is that entails either long hours of painstaking self-repair, or large expenses for paying for the services of a service center. Here, independent intervention can worsen the situation.
Don’t be afraid in advance: even if Wi-Fi doesn’t work on your iPhone 4s, you can still fix it, often on your own.
Flashing and resetting
As mentioned earlier, an unsuccessful update or a faulty flashing of the phone can lead to incorrect operation of the modules. In the absence of other reasons, all this can be corrected in two ways:
- Safe method. If WiFi does not work on your iPhone 4s, then make a backup in iCloud or via iTunes, and then reset the settings to factory defaults. To do this, go to Settings -> Reset -> Reset all settings. If the iOS image was intact, after some time the iPhone will start again and work without interruptions.
- Dangerous method. If Wi-Fi does not work on the iPhone due to a broken firmware or the iOS image is broken, then the only way out is to reflash it via DFU mode. If you don’t know how to do this, it’s better to contact a service center so as not to turn your Apple device into a brick.
Third Party Applications
If you're wondering why Wi-Fi doesn't work on your iPhone, first check all incoming and outgoing traffic. It is possible that one of the recently installed applications is constantly downloading something in the background. The solution to this problem is trivial: delete the application and restart your iPhone.
If there are no signs of the Internet being busy, but WiFi still hasn’t started working, then do a hard reboot by holding down the Power+Home keys for 5-7 seconds. This will help clear not only the Internet channel, but also the RAM along with the processor registers.
Physical breakdown and repair
Wi-Fi does not work on iPhone 4 after the procedures described above? Well, our condolences: you have encountered mechanical damage to the communication module. It is strongly recommended that you immediately take the device to service, but if you want to try to fix everything yourself, read below.
WARNING: You carry out all actions at your own peril and risk; the described algorithms are not recommendations.
You will need: a hair dryer (construction or regular), a set of screwdrivers for disassembly and free time.
- "Lazy" blowing. The phone warms up without disassembling, which allows you to remove moisture from other components. Unfortunately, after such a purge, the service life of the phone is a maximum of several months (although there are lucky people who still use iPhone 4).
- Gentle blowing. WiFi doesn’t work on the iPhone, so let’s remove the module itself and heat it with a hairdryer. With this method, even careless actions are less sad: only the module will need to be replaced, while the rest of the phone can work for years.
In both cases, the main thing is not to overdo it and let the device cool down before starting, otherwise you risk spending more money on repairs than on buying a new iPhone (especially if there were no data backups).
For iPhone 4S Wi-Fi module It is a fairly stable device that rarely fails. However, there are still cases when it does not work.
Hardware problems
Not the most frequent, but perhaps one of the most unpleasant cases is a malfunction of the module hardware.
In this case, you will either have to solder the chip or change it completely.
It is almost impossible to do this at home, so it is best to resort to the services of a specialist.
Fortunately, this kind of breakdown is a fairly rare occurrence. Most often, you can fix the problem yourself.
Checking the router
Firstly, you first need to make sure that the problem is in the smartphone itself and not in the router. You can try to reboot it. It is quite possible that after this the problems with the network will disappear. If the network is detected, but the signal is very weak, then you need to understand the settings. It is best to seek help from system administrator or a person who understands. If other devices see the network, but your iPhone 4S does not, then you can proceed to the next steps.
Rebooting the smartphone
The first thing you can do is simply restart your iPhone 4S. To do this, you need to hold down the Power button for a few seconds until the “Turn Off” option appears. If your smartphone suddenly freezes, you need to hold down Power buttons and Home for 15 seconds. After this, the device will be turned off forcibly.
Resetting network or smartphone settings
If rebooting does not help, you can try resetting the network settings. This can be done using the “Reset network settings” menu item. If your smartphone does not have important information, or you took care to make a backup copy of it, then you can reset all the settings of your smartphone.
Restoring the operating system
If after these steps the network still does not appear, then you can try updating operating system or try to restore it. To do this, it is best to use the iTunes utility. This is done quite simply: there is a lot of material on the Internet. Carefully study the sequence of actions and possible pitfalls.
If none of the above helps, then you should contact a service center. It is quite possible that you will not be able to solve the problem on your own, without the participation of specialists. It is always worth remembering that thoughtless actions can lead to permanent breakdown of the device.
If you need iPhone repair, then this Smart Center service center offers you its services. Here on the website www.smart-center.ru you can see the cost iPhone repair in St. Petersburg.