The Samsung A7100 keeps waking up the screen automatically

1.Phone Settings - Display - Screen Auto Off - Select Time Period.

2.After locking the screen, press the home button to keep the low brightness off, it may be that the brightness of the adjusted screen is low, it is recommended that you check again after debugging: Settings-Display-Brightness-Brightness Adjustment, and check whether it returns to normal after adjustment.

If the preceding methods persist, we recommend that you do the following:

1.Check whether the phone is latest** installed with a third-party software, it may be that the software is incompatible with the phone to cause this phenomenon, it is recommended to try to uninstall it (Settings - Application Manager - Select ** - Uninstall);

2.If it does not return to normal, it is recommended to back up your phone data (**book, SMS, multi** files, etc.) and restore factory settings (Settings-Reset-Factory Reset);

3.If the problem still exists, it may be a problem with the mobile phone system software, it is recommended to bring the mobile phone three packs of vouchers and send the mobile phone to the nearest Samsung service center for testing.

The screen brightness cannot be adjusted due to the lack of shortcut software or a problem with the graphics card driver

1.Reinstall the shortcut software. (Easy Display Manager or Easy Settings).

2.If updating the shortcut software does not work, you need to re-drive the graphics card.

3.If the reinstallation of the shortcut software and graphics card driver does not work, it is recommended to back up important data and reinstall the operating system.

4.If it is invalid, it is recommended to bring the purchase invoice, repair card and machine to the authorized service center for testing and judgment.

There are three types of Samsung A7100 force restart:

1. Press and hold the power switch on the right side of the phone to force it to shut down, normally you need to press and hold for about 10 seconds.

2. Press and hold the "Volume-" button on the left side of the hand-source Zen machine, the home button on the lower side and the power button on the right side at the same time, and it will be about 5 seconds to restart the hail dust;

3. If the forced shutdown and forced restart are unsuccessful, put the phone there, let it run out of power by itself, and then charge it to turn on this missing phone.

Since the Samsung S8 cannot remove the battery, it can only be shut down and restarted by Samsung through the forced restart function of the reed limb to achieve a strong shutdown and restart.

1. Method 1: Press and hold the power button for 10 seconds, and the phone will automatically shut down.

2. Method 2: Press and hold the power button + volume down button + home button, and it will restart after about 5 seconds.

3. If there is a prompt sound, press the volume down button again.

4. If the phone does not crash, Changhuai imitates pressing the power button, and the following screen will appear, and then click to turn off.

Dear Samsung users:

There are many factors that the mobile phone cannot be turned on, and the battery, mobile phone software, and hardware will cause this kind of failure to turn on. If the battery is removable, it is recommended to try the following:

1. Replace a mobile phone battery of the same model for testing or send the battery to the nearest service center for testing.

2. Take out the battery, clean the metal contacts of the battery with a rubber and test.

3. Take out the SIM card and SD card at the same time, and then press the power button for more than 10 seconds to test whether it can be turned on.

4. If the battery is not removable, try to turn it on after charging for a period of time.

If the problem persists according to the above methods, please bring the purchase invoice, repair card and machine to the Samsung service center for inspection.

There are many factors why the Samsung A7100 mobile phone cannot be turned on, and the battery, mobile phone software, and hardware will cause this kind of non-boot failure. We recommend trying the following:

1.Charge with a cable for a while and try to turn it on.

2.Take out the SIM card and try to power it on again.

3.If the problem persists, since the battery of this model is built-in, please bring the purchase invoice and repair card to the nearest Samsung service center for testing and processing.

Press the power button and the down volume button at the same time for more than 7 seconds to restart the attempt.

Since the Samsung S8 cannot remove the battery, it can only be forced to shut down and restart through Samsung's built-in force restart function.

1. Method 1: Press and hold the power button for 10 seconds, and the phone will automatically shut down.

2. Method 2: Press and hold the power button + volume down button + home button, and it will restart after about 5 seconds.

3. If there is a prompt sound, press the volume down button again.

4. If the phone does not crash, press and hold the power button, the following screen will appear, and then click to turn off.

Samsung phones only need to press and hold the power button for two seconds, and in the pop-up device options, select Restart (this function is the default of the system and cannot be turned off).

If your phone is frozen or stuck, you need to restart the machine quickly, please press and hold the power button and the down volume button at the same time for more than 7 seconds to restart the device.

Recently launched Samsung mobile phones, you only need to press and hold the power button for two seconds, and in the pop-up device options, select Restart (Note: This function is the default of the system and cannot be turned off).

If your phone crashes or freezes and you need to restart your device quickly, please press and hold the power button and the down volume button at the same time for more than 7 seconds to restart the device.

Samsung A7100 phone has an automatic reboot phenomenon, it is recommended that you try the following methods:

1. Uninstall the recently installed third-party software and preliminarily eliminate the cause of system software conflicts.

2. After taking out the external SD card, test whether there is still a reboot phenomenon 3. Try to see if the system version of the mobile phone is improved after updating.

4. Back up your phone's data (**book, SMS, **, etc.), and restore your phone to factory settings If the problem still exists through the above methods, it is recommended that you send your phone to the nearest Samsung service center for testing.