Hard Reset SAMSUNG M390 Array

First method:

  1. Make sure, that your phone is on.
  2. Enter on your phone code: *2767*3855#

Second method:

  1. Make sure, that your phone is on.
  2. Then open the application list and select: Settings -> Privacy -> Factory data reset -> Reset phone -> Erase everything.

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

Help! This doesn't work