User's Manual

PM451 Android 9.0 User Manual

System Maintenance

Factory Data Reset

When you have a problem with your device or want to reset your device, follow the steps below to do a

factory data reset.

Factory Data Reset via Settings app

If you can turn on the device and can access the Settings app,

1. Go to

Settings

System

Advanced

Reset options

2. Tap

Erase all data (factory reset)

3. After being aware that factory reset will erase all data from the internal storage, Tap

RESET

PHONE

4. Tap

ERASE EVERYTHING

to start the factory reset process

Caution

: Factory data reset will erase all personalized settings and data saved in your phone,

such as Google account, apps, user data, etc. And factory data reset cannot undo.

Figure 55 Factory reset screen