Hard Reset OPPO A91

How to factory reset OPPO A91? How to wipe all data in OPPO A91? How to bypass screen lock in OPPO A91? How to restore defaults in OPPO A91?

The following tutorial shows all method of master reset OPPO A91. Check out how to accomplish hard reset by hardware keys and Android 9.0 Pie settings. As a result your OPPO A91 will be as new and your MediaTek Helio P70 (MT6771V/CT)  core will run faster.

First method:

  1. At the very beginning switch off the mobile by pushing the Power button for a couple of seconds. Factory Reset OPPO A91
  2. In the second step push Volume Down and Power keys for a few seconds. Master Reset OPPO A91
  3. Let go of all buttons if you see information about Recovery Mode.
    Recovery Mode OPPO A91
  4. After that choose English. Recovery Mode OPPO A91
  5. Then select Wipe data and Format Data.
    Recovery Mode OPPO A91 Recovery Mode OPPO A91
  6. Choose OK to confirm the whole operation and wait for a few moments.
    Recovery Mode OPPO A91 Recovery Mode OPPO A91
  7. At the end tap OK once more. Recovery Mode OPPO A91
  8. Well done! All your data was removed during the whole operation.

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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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