Hard Reset VIVO Y91

How to factory reset VIVO Y91? How to wipe all data in VIVO Y91? How to bypass screen lock in VIVO Y91? How to restore defaults in VIVO Y91?

The following tutorial shows all method of master reset VIVO Y91. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your VIVO Y91 will be as new and your Qualcomm Snapdragon 439  core will run faster.

First method:

  1. At first switch off the mobile by pressing the Power button for a short while. Wipe data on VIVO Y91
  2. Then hold down Volume Up and Power keys for a few moments. Format VIVO Y91
  3. Release all buttons when you see information about Fastboot Mode.
  4. Now choose Recovery Mode. Use Volume Down to navigate and the Power button to confirm that. Permanently delete data from VIVO Y91
  5. After that select Wipe data with the Power key. Restore VIVO Y91
  6. In this menu go to OK --> Back and confirm it with the Power button. Wipe data on VIVO Y91
  7. At the end select Reboot system by using the Power key. HardReset VIVO Y91
  8. Well done! All your data will be removed from your device.

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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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