Hard Reset ULEFONE S1 Pro

How to factory reset ULEFONE S1 Pro? How to wipe all data in ULEFONE S1 Pro? How to bypass screen lock in ULEFONE S1 Pro? How to restore defaults in ULEFONE S1 Pro?

The following tutorial shows all method of master reset ULEFONE S1 Pro. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your ULEFONE S1 Pro will be as new and your MediaTek MT6739  core will run faster.

First method:

  1. In the first step turn off the mobile by pressing the Power key for a few moments.Hard Reset ULEFONE S1 Pro
  2. After that hold down Volume Up and Power buttons together for a couple of seconds.HardReset ULEFONE S1 Pro
  3. Let go of all buttons when you see Boot Mode.Boot Mode ULEFONE S1 Pro
  4. Then choose "Recovery" by using Volume Up to navigate and Volume Down to confirm that.
  5. If the Andorid Robot image pops up press Volume Up + Power button.HardReset ULEFONE S1 Pro
  6. Now select "wipe data/factory reset" by using Volume keys to navigate and the Power button to accept it.Wipe data on ULEFONE S1 Pro
  7. In this mode choose "yes" and click the Power key.Master Reset ULEFONE S1 Pro
  8. At the end select "reboot system now" with the Power button.Recovery Mode ULEFONE S1 Pro
  9. Well done!

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