Why does VIVO x5 always dial out automatically?

The reason why VIVO x5 always dials out automatically and the solution;

It may be caused by your touching the screen by mistake. I suggest you set the lock screen in Settings-More Settings-Security-Lock Screen. If this happens after setting the lock screen, you can go to Settings-More Settings-Restore Factory Settings-Restore all settings.

There is something wrong with this rom. A malicious program is embedded in the rom, resulting in automatic dialing. Solution: Refresh rom from other reliable sources.

There is something wrong with an app you installed, the app has been modified and embedded with malicious code, or the app itself is a virus. Solution: Use mobile phone antivirus software to clear or restore factory settings or refresh rom.

Touch screen failure, touch screen failure, resulting in automatic click to make a phone call, solution: repair or change the screen or change the phone.

The mobile phone crashed, so it can be turned off and restarted.

Try using Settings->; More settings-> Restore factory settings-> Restore all settings ".

Through "Settings->; More settings-> System upgrade-> Check for updates now upgrade to update your system.

Try using Settings->; More settings-> Restore factory settings-> Clear all data "Clearing abnormal data will lose all data stored on the user's mobile phone, including phone book, SMS, third-party applications and related account information. You can back up useful data first.

If it still doesn't work, please take the phone to the nearest after-sales service center for testing.