The latest mobile phone card vivoy3

I'm sorry for the inconvenience, so I suggest you try the following methods: ① Click one-click acceleration (one-click cleaning) in the status bar of the mobile phone, or close the background program, clear the cached files in the program management of the desktop, increase the available memory, and avoid the phone crashing due to insufficient memory. (2) click "Settings->; More settings-> System upgrade-> Check for updates now upgrade to update your system. (3) try to pass "Settings->; More settings-> Restore factory settings-> Clear all data "Clear abnormal data, it is recommended that you make a backup before operation. ".

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