How to Restore Factory Settings of Android Phone Correctly in a Simple Way

Check out the following methods:

1, Restore all settings and clear all data:

Enter Settings - System Management/More Settings - Backup & Reset/Restore Factory Settings - Restore all settings, Clear all data .

2. Enter recovery mode, select clear all data, then restart the device.?

You can click this link to view the graphic instructions

Methods to enter Recovery Mode:

1. Folding the screen: unfold the operation in the shutdown state, press and hold down the "power button" and "volume up button" at the same time. "about 5 seconds, enter FASTBOOT mode, press the volume key to select "enter RECOVERY", press the power button to confirm entry.

2, the models listed after September 2017: shutdown state at the same time press and hold the "power button" and "volume up button" for about 5 seconds, enter the FASTBOOT mode, press the volume key to select "enter RECOVERY", press the power button to confirm entry. Enter RECOVERY", press the power button to confirm the entry.

3. NEX?3/NEX?3S: Press and hold the top button for about 1.5 seconds, then press and hold the volume up button to enter FASTBOOT mode, press the volume up button to select "Enter RECOVERY", and press the power button to confirm the entry. Press the power button to confirm the entry.

4, the models listed before September 2017: power off state at the same time press and hold the "power button" and "volume up key" for about 5 seconds, enter RECOVERY mode.

Note: Restore all settings will not delete any data or media files, it will only restore all the settings of the phone (such as the set wallpaper, unlock style, WiFi, default open programs, desktop layout, etc.), as well as some third-party application accounts need to be re-logged in, please make sure that it does not affect the use of the software before the operation. For data security, it is recommended to back up your phone data in advance before operation. (You can go to Cloud Services - Device Cloud Backup - Backup Data Type - System Data - Return - Backup Now to back up some system settings and desktop layout; Cloud Services - Data Sync - Turn on WLAN, Bluetooth, etc. to sync the data to Cloud Services)

"Erase All Data" will restore the phone to its initial state and delete the phone's system settings and desktop layout.

"Clear all data" will restore the phone to its initial state and delete all the data in the system space of the phone, including the account number, system and app data and settings, and installed apps, please back up the important data on the phone before operation.