Unknown Sources SAMSUNG S4

  1. At the very beginning, click the Power key and unlock the device. Remove Screen Lock on SAMSUNG  S4
  2. Open the main menu and enter the Settings app.
    Remove Screen Lock on SAMSUNG  S4 Permanently delete data from SAMSUNG  S4
  3. Here, select the Security chapter and turn on the Unknown sources option.
    Permanently delete data from SAMSUNG  S4 Hard Reset SAMSUNG  S4
  4. Push the OK key to confirm in the end.
    HardReset SAMSUNG  S4 Factory Reset SAMSUNG  S4
  5. Mission complete!

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