Asus Zenfone Selfie Z00ud Firmware 6.0 1 <RECOMMENDED • 2027>

The ASUS ZenFone Selfie (Model / ZD551KL ) received its official upgrade to Android 6.0.1 Marshmallow to improve system stability and introduce new features like motion gestures and "Pano Sphere" camera mode . This update, specifically firmware version 21.40.0.1692 , significantly cleans up the device by removing numerous pre-installed "bloatware" apps. Key Technical Specifications