Hard Reset OPPO R831S

How to factory reset OPPO R831S? How to wipe all data in OPPO R831S? How to bypass screen lock in OPPO R831S? How to restore defaults in OPPO R831S?

The following tutorial shows all method of master reset OPPO R831S. Check out how to accomplish hard reset by hardware keys and Android 1.5 Cupcake settings. As a result your OPPO R831S will be as new and your Qualcomm Snapdragon MSM8926  core will run faster.

First method:

  1. At the very beginning switch off the mobile by holding the Power button for a short while. Remove Screen Lock on OPPO R831S
  2. In the next step press and push Volume Down + Power keys until OPPO logo appears. Permanently delete data from OPPO R831S
  3. After that stop holding all keys and choose English with the Power button. Format OPPO R831S
  4. In this menu select Wipe data and cache two times by using Volume buttons and press the Power button. Restore OPPO R831S
  5. Now choose Yes by using Volume keys to scroll down and the Power key to confirm it. Remove screen password on OPPO R831S
  6. In the end use Volume keys to select Rebooot and press the Power button to accept that. Restore OPPO R831S
  7. Success!

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