Fastboot Mode ASUS Zenfone 3 Deluxe S821

How to enter fastboot mode on ASUS Zenfone 3 Deluxe S821? How to open fastboot mode in ASUS Zenfone 3 Deluxe S821? How to exit fastboot mode on ASUS Zenfone 3 Deluxe S821?

Check out how to get access to Android 6.0 Marshmallow hidden mode. Follow our steps and boot ASUS Zenfone 3 Deluxe S821 into fastboot mode.

  1. Turn off your phone. In order to do that hold down Power button. Hard Reset ASUS Zenfone 3 Deluxe S821

  2. After a couple of seconds, press Power button

  3. Hold down Volume Up + Power button. HardReset ASUS Zenfone 3 Deluxe S821

  4. As soon as ASUS logo appears, release the buttons.

  5. Congratulations! You are now in desired mode. 


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