Hard Reset OPPO A57

How to factory reset OPPO A57? How to wipe all data in OPPO A57? How to bypass screen lock in OPPO A57? How to restore defaults in OPPO A57?

The following tutorial shows all method of master reset OPPO A57. Check out how to accomplish hard reset by hardware keys and Android 6.0 Marshmallow settings. As a result your OPPO A57 will be as new and your Qualcomm Snapdragon 435 MSM8940  core will run faster.

First method:

  1. In the first step power off the OPPO A57. Remove Screen Lock on OPPO A57
  2. Afterwards press and hold together Volume Down and Power key for a few seconds. Permanently delete data from OPPO A57
  3. As soon as the Oppo logo pops up on the screen release all keys.
  4. Then select English by using Volume keys to browse and Power rocker to select. Format OPPO A57
  5. In the next step select Wipe data and cache twice. Hard Reset OPPO A57
  6. Afterwards confirm the whole process by selecting Yes. Restore OPPO A57
  7. You have to tap Reboot in order to restart device's system. Hard Reset OPPO A57
  8. Success! You just accomplish the factory reset opearion.

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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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