How to clear Hisense mobile phone? What's the use of double clearing?

First, Hisense mobile phone double clear operation steps:

1, turn it off.

2. Press and hold the power button and volume button at the same time. When the boot screen lights up, SMART releases the boot button, and a small robot and a triangle with exclamation point will be displayed on the screen.

3. Press the volume up and down keys to select "Clear Data/Restore Factory Settings", and press the power key to confirm "Yes-Clear all user data".

4. Select "Clear Cache" through the volume up and down, and press the power button to confirm "Yes-Clear all caches".

5. Finally, select the first item "Restart" in the recovery interface. That is, restart the phone and double clearing is completed.

Second, the role of double liquidation:

6. Double cleaning is to clean up the data and cache of application software. Double cleaning refers to restoring factory settings, including deleting all contacts, text messages and installed software. Commonly known as hard start, restore factory settings.