WW_V21.40.0.1854 is one of the verified official Marshmallow OTA builds. Key Changes: App Removal:
At 2:00 AM, her laptop screen flickered. Device Manager refreshed. A new device appeared: with a yellow exclamation mark. asus zenfone selfie z00ud firmware 6.0 1
: Connect your phone to your PC and move the file to the internal storage root directory (not inside any folder). WW_V21
The official Android 6.0.1 (Marshmallow) firmware for the ASUS ZenFone Selfie (ZD551KL / Z00UD) asus zenfone selfie z00ud firmware 6.0 1
Then, silence.
Confirm: Tap the notification and follow the on-screen prompts. The phone will reboot and begin the installation. Method 2: Recovery Mode (Sideload)