The common faults and solutions of the mobile phone are as follows:
Mobile phone crash: It may be that there are too many programs running in the background and occupy too much running memory, resulting in the system freezing or crashing. You can exit some programs running in the background and get into the habit of exiting the running program by returning or exiting the virtual button. It may also be a virus in your phone, and you need to install antivirus software to prevent it.
Frequent phone crashes and restarts: Generally, if the mobile phone system software is incompatible or there is a bug in the system software, you can restore the mobile phone to factory settings for testing (restoring factory settings will erase the mobile phone data, please pay attention to backup), reinstall the system firmware on the mobile phone, and redo the mobile phone system. If it is invalid, it is recommended to take it to the mobile phone after-sales service center for maintenance.
Mobile phone touch screen failure, screen jumping: It may be that the mobile phone screen hardware failure or the screen has suffered static damage, and the system software incompatibility can also cause this problem. You can turn on the calibration screen of the phone or take out the battery after turning it off, let it stand for about five minutes or leave it overnight for testing. If the problem is not solved, it is recommended to take it to the mobile phone after-sales service center for maintenance.
Automatic phone power off: It may be caused by static electricity, you can try using an eraser or cotton swab to wipe the battery connector. It can also be caused by a lack of power, and you can charge your phone.
The mobile phone consumes battery quickly: it may be that there are many programs running in the background, you can press the home button on the main interface to bring up the recently running programs, and slide out the programs running in the background. It may also be that the screen brightness is too high or Bluetooth, GPS, WiFi and data connection are turned on, which can reduce the screen brightness or turn off unnecessary switches.
The phone can't take photos or videos: It may be caused by a damaged camera or a malfunctioning software, so you can try restarting your phone or updating the camera version.
The phone cannot be answered**: It may be caused by a signal problem or a problem with the mobile phone settings, you can try to go to a place with a better signal or check whether the mobile phone settings are correct.
The phone cannot send SMS: It may be caused by a signal problem or an SMS setting problem, you can try to go to a place with a better signal or check whether the SMS settings are correct.
The above content is for reference only, for more information, it is recommended to consult professional maintenance personnel or go to the designated after-sales service center for maintenance.