Why are the phone buttons out of order?

Causes and methods of mobile phone key failure;

1. If there is no response when you press the buttons on your phone, or some buttons have unexpected results after being pressed, please try the following solutions.

2. Physical keys such as power button and volume button.

3. Press the phone power button to turn off or wake up the phone screen, and press the volume button to adjust the volume. These keys are out of order during operation. ?

4. Restart the phone. Remove all protective films and housings that may hinder the use of keys, check whether there is debris or dirt around the relevant keys or switches, and then clean them with a soft cloth. If the button is still not working properly, you may need to send your phone to a service center for repair. In order to solve your problem as soon as possible, you can make an appointment with the service center in advance.

Solutions to key faults:

1, the key is broken, most of it is dirty or oxidized. Just clean it.

2. It is also possible that the interface between the keyboard and the motherboard has virtual welding.

3. The damaged processor chip leads to keyboard failure.

4. The printed circuit on the motherboard is broken, which will also cause the keyboard signal not to be transmitted to the processor chip.

If only some keys are out of order, the keyboard is generally dirty. If there is something wrong with all keyboards, it is a problem with the interface or the processor chip.