Reset to factory settings

You can do [Factory data reset] if your phone becomes lagging, phone has too much junk files and caches, or has issues with system or applications.

By doing [Factory data reset], all data in your phone will be permanently erased, so you need to make a backup and transfer that to your computer or SD card to prevent data loss.

Go to [Settings] > [Additional settings] > [Back up and reset] > [Factory data reset] to reset your Phone.

In [Factory data reset], Phone has four options. Choose one according to your needs
* Any reset option cannot be revoked once it is operated.