How to clear mobile phone data

First of all, you need to back up your information, especially important information such as contacts and text messages. Just click Settings-Account-Turn on data synchronization.

Storage condition of memory card

Then return to the settings page, click "About Mobile Phone" and select "Save". Here you can see the storage of memory cards, as well as clearing system data and formatting storage disks.

Clear system data

Click "Clear System Data", and then confirm that all data on the system will be cleared, including the flyme account, but the pictures and videos stored on the storage disk are still there.

Format storage disk

Therefore, it is necessary to format the storage disk. This operation will empty all the software, games, pictures and videos in the phone, including the backup data of titanium, and restore it to the original storage size. So when formatting, you should determine what information you need.