Hard Reset BLACKVIEW DM550

First method:

  1. Turn off your device.Hard Reset BLACKVIEW DM550
  2. Press and hold  Volume Up + Power at the same time for a few seconds.HardReset BLACKVIEW DM550
  3. Press Volume Down to choose "wipe data/factory reset", and then push the Power button to confirm.Factory Reset BLACKVIEW DM550
  4. Select "Yes--delete all user data". Use Volume Down button to scroll and Power key to select.
  5. To restart the phone, select "reboot system now".
  6. Success! The hard reset is done!
See the Next method!

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

Help! This doesn't work