• wiktor
• 1 day ago
• Categories: Asus
• Categories: Zenfone 3 Deluxe ZS570KL
• Free: Free warranty check

1. Turn off the phone by pressing and holding the Power key.

2. Turn the phone back on by holding the Volume Down and Power buttons.

3. Let go of all keys as sonn as the ASUS ZenFone logo appears on the screen.
4. Great job! You are right now in the desired mode.


5. Navigate this mode using Volume Keys; select options with Power button.