What are the reasons why some phones can't handle buttons?
Reason: 1. the input method downloaded by mobile phones is too much, as we all know, many of the 91 assistant pea clips, such as the input method, are all the plugins that affect the handle function. It is recommended to delete or not to select.
2. mobile phone firmware has fixed software and input method, and even embed part of the mobile phone function. After downloading the driver, you can set the key.