Battery Level: Ensure your phone has at least 60% charge to prevent shutdown during the process.

If an update is found, tap and then Install once the download finishes. Your phone will restart automatically to apply the changes . Method 2: Manual Installation via Internal Storage

: A battery-saving feature that significantly reduces power consumption when the device is stationary and not in use. Google Now on Tap

Download the Firmware: Locate the official .zip firmware file for the ZD551KL from the Asus support website.

Once your ZenFone Selfie boots into Android 6.0.1, follow these steps:

asus zenfone selfie z00ud firmware 6.0 1