Hard Reset ZTC 688

First method:

  1. Check your cell phone that if is off.
  2. Then turn on the devie
    Hard Reset ZTC 688
  3. Select emergency dial, and type this: *983*22387#
  4. Select option: Erase Everything.
  5. That's all.
See the Next method!

Hard Reset will erase all of your data
All described operations you are doing at your own risk.

Help! This doesn't work