Hard Reset ULEFONE S9 Pro

How to factory reset ULEFONE S9 Pro? How to wipe all data in ULEFONE S9 Pro? How to bypass screen lock in ULEFONE S9 Pro? How to restore defaults in ULEFONE S9 Pro?

The following tutorial shows all method of master reset ULEFONE S9 Pro. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your ULEFONE S9 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 seconds.Hard Reset ULEFONE S9 Pro
  2. Now keep holding on Volume Up and Power buttons together for a couple of seconds.HardReset ULEFONE S9 Pro
  3. Let go of all buttons when Boot Mode appears.Permanently delete data from ULEFONE S9 Pro
  4. Then choose "Recovery" by using Volume Up to navigate and Volume Down to confirm that.
  5. If the Andorid Robot picture pops up press Volume Up + Power button to open Recovery Mode.HardReset ULEFONE S9 Pro
  6. After that select "wipe data/factory reset" by using Volume buttons to navigate and the Power key to confirm that.Wipe data on ULEFONE S9 Pro
  7. In this mode choose "yes" and click the Power button once.Master Reset ULEFONE S9 Pro
  8. At the end select "reboot system now" with the Power key.Factory Reset ULEFONE S9 Pro
  9. Well done!

Help! This doesn't work