The virtual keys of Huawei mobile phones are in the settings. Take Huawei P10 mobile phones as an example.
1. Open the phone "Settings" application;
2. Next, select System from the drop-down list in the setting interface;
3. Next, select the "System Navigation Method" option in the system interface;
4. Next, in the system navigation mode interface, you can see that the option "Off screen physical navigation key" is checked by default;
5. Next, check the "On screen three key navigation" option;
6. Next, you can see that the virtual button is called out;
matters needing attention:
1. When using the phone, you should regularly back up the phone files to prevent file loss.
2. In the process of using the phone, the phone should be cleaned regularly.
3. In the process of using mobile phones, you must operate them in a standardized way.
4. If you don't know where the problem is, you must contact professional personnel to deal with it at the first time.