A factory reset will restore your phone to the settings that were configured in the factory. All of your personal data from the internal device storage, including account information, the system and application settings, and any downloaded applications will be erased.
Important: Back up your personal data before performing a factory reset.
Tip: The steps differ slightly depending on what Android™ operating system you are currently using. Please follow the relevant steps.
Android™ 8 Users
Backing up personal settings
1. On the Settings screen, tap System > Backup.
2. Slide the Back up to Google Drive switch to the right.
3. Tap Back up now.
Factory resetting the device
1. On the Settings screen, tap System > Reset > Factory data reset.
2. Tap RESET PHONE, and then tap ERASE EVERYTHING. The device will reset to the original factory settings, and then restart.
Note: Resetting your device does not erase any system software updates that have been downloaded or any files on a microSD card, such as music or photos.
Android™ 7 Users
Backing up personal settings
1. On the Settings screen, tap Backup & reset.
2. Slide the Back up my data switch to the right.
3.Return to the Backup & reset menu, tap Backup account and login with your Google account
Factory resetting the device
1. On the Settings screen, tap Backup & reset.
2. Tap Factory data reset and then RESET PHONE, and then tap ERASE EVERYTHING. The device will reset to the original factory settings, and then restart.