What should I do if the screen of Apple's mobile phone suddenly fails?

1. Sometimes the screen failure of Apple mobile phone is caused by too much dust on the screen. You can find a cloth to wipe your glasses first and clean the screen of Apple mobile phone.

2. Some friends use the touch screen immediately after applying hand cream or their hands are wet, which may also lead to screen failure, so try to keep your hands dry when using the mobile phone.

3. If you buy a junk plastic protective film or film, please remove it and replace it with a better quality mobile phone film.

4. If it is not caused by the above reasons, please try to turn off the equipment and turn it on again. Press and hold the Sleep/Wake button on the top of the device for a few seconds until a red slider appears, and then slide the slider. Then press and hold the Sleep/Wake button until the apple logo appears.

5. If you can't turn it off, just wait for the phone to turn it off automatically when there is no power, and then recharge it to resume touch screen operation.

6. If there is no response above, you can try restarting your phone. Finally, it is determined that the hardware is broken and can be sent for repair.

7. Sometimes an invalid touch screen is also related to your ios system. Please upgrade your ios system to the latest version. After upgrading to the latest version of iOS system, the touch screen function will be restored.

8, caused by voltage instability. Generally, when a finger touches the capacitive screen, it will "suck away" a little current, and then the screen will evenly send electricity to the position where the thumb is located from four corners for positioning, so the capacitive screen will "drift" or even fail when the transmission voltage is unstable. In this case, please check how much power is left in your battery. When the power is less than 20%, please charge it immediately.

9. Sometimes when you are not paying attention, the capacitive screen will fail near the strong electromagnetic field. Don't put the phone on the speaker or magnetic screw.

10, don't put the Apple mobile phone near a hot place. When the temperature reaches about 40 degrees, the capacitive screen may drift and the touch screen may malfunction.

If the above methods cannot be solved, please go to the customer's Apple Customer Service Center for maintenance inspection.