Why is the call not displayed? There is no call history on an Android phone or tablet

e Android. Android smartphone does not show missed, incoming, outgoing calls. What to do and how to fix it?

Many users encounter a problem when phone or tablet on Android based starts to be capricious. It seems that nothing happened that could cause a malfunction, but it does not work as it should.

For example, the device has problems with because missed, incoming or outgoing calls are no longer displayed. The reason for this may be:

1st: Software glitch - i.e. the problem is a software glitch

2nd: Hardware failure - i.e. the problem is in the hardware (i.e., replacement or restoration of spare parts for the gadget is required)

However, do not rush to get upset - in 90% of cases there are problems operation of the call registration and recording system smartphone a or Android tablet is to blame software glitch which you can easily fix on your own.

Fixing a software glitch:

Method 1. Quite simple - go to "settings", find there « backup and reset", in which you choose full reset settings with deletion of all data. Be careful, using this method is often effective, but it entails deleting all photos, contacts, passwords, music, games, videos and, in general, all information stored on your smartphone e or tablet e. Therefore, first save everything you need by connecting the gadget to your computer. If this method does not suit you, or if after this the problem is not resolved, see Method 2.

Method 2.

Based on solving problems with communication and network reception phone number and tablet based Android method implementation of additional software. Utilities that control all processes inside gadgets. Today, there are quite a lot of them, however, the fewer functions an application contains, the more effective it is, as a rule. Best monitors system functions, adjusts, and fixes everything possible mistakes settings and synchronization is small and easy to use, free utility for Android devices Download the app from Google Play and watch it additional options in the description it is possible . After installing the application, all that remains is to launch it. Further, in principle, nothing more is required from you. The application will take full control of the device's functions. (By the way, among other things, the gadget will begin to charge 20% faster, and its performance will also increase significantly, which will affect the loading speed and operation of all applications, games, and the system as a whole. On average, after scanning, the system runs at 50% faster.)
Method 3.

Changing the device software, or as it is also called "re firmware ".This method, as a rule, requires certain skills and can be resolved by contacting the Service Center. To carry out this task yourself, you need to contact the website of the manufacturer of your device, download the utilities necessary for flashing the firmware and the firmware itself, and then reinstall it on your gadget.

If none of the methods brings results, unfortunately, you will have to contact the Service Center for repairing your tablet a or smartphone a.

There is no call history on the phone or Android tablet. Android smartphone does not show missed, incoming, outgoing calls. What to do and how to fix it?

Over the past couple of years, there have often been cases where mobile phone Incoming call numbers are not displayed. At the same time, it doesn’t matter at all what the mobile operator you are served by, model and brand of phone. The situation was noticed on Nokia, Xiaomi, HTC, Samsung, and mobile operators MTS, Tele2, Megafon, Beeline, etc.

In this article we will tell you what to do if incoming number is defined as “Unknown”, or contacts previously recorded in the book are not displayed.

All incoming calls are detected as "Unknown"

Reasons for failure

This situation has already become fatal for many. People couldn't come up with anything, although they did various ways, even replaced SIM cards. We will try to do without extreme radical measures. There are few reasons why problems may occur. Causes:

• no money on the phone;
• incorrect number display status;
• broken parameters of the telecom operator and the device itself;
• copying contacts from one device to another, resulting in failures;
• selected country in the smartphone settings;
• incorrectly saved contacts (shortening numbers (+7..);
• duplicate numbers;
• there is not enough space on the phone, and both clogged RAM and lack of internal memory are to blame;
• network activation via Gevey Sim was used;
• The phone has been updated or flashed (manual flashing).

Some operators ask you to activate the service in order to show the numbers of incoming calls. You're in luck - it's free. Unfortunately, the operator does not always notify the user about this.

What to check if incoming numbers are not detected?

This problem can be solved quite simply, you're in luck. And even if the steps below do not fix the problem, change the SIM card. Moreover, now when replacing a SIM card, your phone number is saved.

First of all, we check the following

If you have an iPhone

If you have an iPhone and you have activated the network through “Gevey Sim”, look at which country is indicated in the smartphone settings. Play around with different countries. Sometimes it helps to expose European states, Russia, China and others. Don't worry, nothing should change on your smartphone. Plus, everything can be returned.

Reset

If the device has recently been updated or reflashed, you can roll back the system or reset it to factory settings. Go to “Settings” - “ General settings” - “Backup and reset” - “Device reset”.

There is another way - turn off the smartphone - simultaneously hold the “Volume up”, “Menu key” buttons (if it is not there, skip the item) and the “Power off/on” button. We advise you not to release the keys (except for the “Shutdown” button) for about 20 seconds (until Recovery appears). After the new window appears, you need to select (using the volume keys) the desired item - factory reset. We reset and delete all data. After this, reboot the device.

The point above can help with any difficulties associated with our problem.

If it says unknown number on Xiaomi

IN Lately, a lot of problems are caused with Xiaomi brand phones. This is because they have their own MIUI system. To troubleshoot, simply disable its optimization.

1. “Settings” - “About device” - “MIUI version” (actively click on the item 10 times) - the “Developer settings are open” sign will appear on the screen.
2. We go back, click “Advanced” - the “For Developers” menu appears.
3. Click and turn off system update.

Also, check if you have the official version Xiaomi smartphone. Perhaps you bought a device with a ROM version, and not a European or Chinese one. The ROM version is a re-flashed Chinese license for a European (illegal) one. Often issued in stores as “For Europe”. In this case, only flashing will do.

Conclusion

Be sure to check the tips above if you are not seeing incoming call numbers. In most cases, the failure can be resolved very quickly and easily. If suddenly the advice does not help, up to the firmware. I'll have to go to service center and show the device. But before that, check the operation of another SIM card on this phone. If there are no problems with it, then go to the operator’s branch and change the SIM card.

If Android does not save call history, then you should look for the cause of the error in the system. In some cases, only a complete reset of the device helps solve the problem, but you can get by with less. radical methods.

This article is suitable for all brands that produce phones on Android 9/8/7/6: Samsung, HTC, Lenovo, LG, Sony, ZTE, Huawei, Meizu, Fly, Alcatel, Xiaomi, Nokia and others. We are not responsible for your actions.

System failure

If your call log suddenly stops updating with new calls, try rebooting your phone. There may be an error in Android operation that will be resolved after restarting the system.

1. Press the power button until the menu appears.
2. Select Reboot.
3. Wait until the system restarts and make a new call.

Increase

If the cause of the crash was a small error in the system, a restart will fix it and return Android to normal condition.

Incorrect date

Another reason why calls are not saved in the log could be wrong date on the phone. The time does not matter, since time zones may be different, but the date must be accurate. Otherwise Android case will receive calls from the past or future and will not understand how to record them on current date. To change the date:

1. Open settings.
2. Go to the "Date and Time" section.
3. Enable automatic detection of time and date over the network or set the data manually.

Increase

After changing the date, call any number and check whether the call information is saved in the call log.

Resetting and flashing

If everything is in order with the date, then the cause of the error should be sought deeper - in the operation of the system itself. Eliminate serious system failure can be done in two ways:

• Reset settings to factory state.
• Reflashing the phone.

After the reset, you will receive the device “like new”: without profiles, contacts, content, applications installed on internal memory. To avoid losing important data, do this before resetting backup copy. To roll back to the original state:

• Open settings.
• Go to the "Backup and Reset" section.
• Select "Reset settings" mode and click "Reset".

If resetting the settings does not help, perform a data reset with a full reset to factory settings. After completing this operation, you will receive a clean Android.

Increase

If the reset did not result in positive result, perform a flashing. Can be installed official firmware from the device manufacturer or install an Android build suitable for the phone model.