asus zenfone ဖုန္းေတြနဲ့ demo mode ကိုစိတ္ညစ္ေနတဲ့ သူငယ္ခ်င္းေတြ အတြက္ပါ...1.press power button to play demo video then tap the screen 2.hold back key for more than {10} seconds 3.until is shows a page to key in password 741603 4.wait until factory resat complete..........ok