Hard Reset OPPO R1S

First method:

  1. Power on the cell phone.
    Hard Reset OPPO R1S
  2. Then goto Home screen, and select Settings -> General -> Backup & reset -> Restore factory settings -> Reset phone.
  3. Now your phone will reset and reboots.
  4. Done!
See the Next method!

Oppo R1 Hard Factory Reset

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

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