Zte MAX XL User Manual page 230

2. Read the factory data reset information page and tap Reset phone.
3. Tap Erase everything.
 Your phone will power down and reset itself, which may take up to 10 minutes.

Once the phone has reset, it will run through the Hands Free Activation and update
processes again. When finished, you will see the Welcome screen and Setup application.
See Complete the Setup Screens
Personal Settings
to start over.
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