Hard Reset ZTE F870

How to factory reset ZTE F870? How to wipe all data in ZTE F870? How to bypass screen lock in ZTE F870? How to restore defaults in ZTE F870?

The following tutorial shows all method of master reset ZTE F870. Check out how to accomplish hard reset by hardware keys and Vendor settings. As a result your ZTE F870 will be as new and your   core will run faster.

First method:

  1. When your device is off, then power on.
    Hard Reset ZTE F870
  2. Tap emergency dial, and just type this: *983*22387#
  3. Select Erase Everything.

Help! This doesn't work