Hard Reset OBI WORLDPHONE Boa S503

How to factory reset OBI WORLDPHONE Boa S503 ? How to wipe all data in OBI WORLDPHONE Boa S503 ? How to bypass screen lock in OBI WORLDPHONE Boa S503 ? How to restore defaults in OBI WORLDPHONE Boa S503 ?

The following tutorial shows all method of master reset OBI WORLDPHONE Boa S503 . Check out how to accomplish hard reset by hardware keys and Android 4.4 KitKat settings. As a result your OBI WORLDPHONE Boa S503 will be as new and your MediaTek MT6582V/X  core will run faster.

First method:

  1. In the first step turn off the mobile by holding the Power button for a short while. Wipe data on OBI WORLDPHONE Boa S503
  2. Then start pressing Volume Up and Power keys for a few moments. Format OBI WORLDPHONE Boa S503
  3. Release the Power button when the OBI logo pops up.
  4. Let go of Volume Up when Recovery Mode pops up.
  5. In this mode choose "wipe data/factory reset". Use Volume buttons to navigate and the Power key to confirm that. Restore OBI WORLDPHONE Boa S503
  6. Now select "yes" by using Volume keys to scroll down and the Power button. Remove screen password on OBI WORLDPHONE Boa S503
  7. At the end choose "reboot system now" by using the Power key. Remove Screen Lock on OBI WORLDPHONE Boa S503
  8. Good job!

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Hard reset trên Obi Worldphone SF1 - video

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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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