Device Name: Asus Zenfone SelfieModel Number: ZD551KL (Z00UD)Android Version: 6.0.1 MarshmallowBuild Number: WW-21.40.0.2214 (or later)Region: WW (Worldwide) Key Features of Marshmallow 6.0.1
Press and hold Volume Down + Power Button to enter Recovery Mode. asus zenfone selfie z00ud firmware 6.0 1
Storage Space: Ensure you have at least 2GB of free internal storage. How to Install Asus Zenfone Selfie 6.0.1 Firmware Method 1: The Local Update (Recommended) asus zenfone selfie z00ud firmware 6.0 1