Asus Zenfone 9 Lineage Os May 2026

When you install LineageOS 21 on the Zenfone 9, you gain the standard suite of LineageOS features optimized for the small form factor:

| Issue | Symptom | Fix | | :--- | :--- | :--- | | Encryption loop | Phone asks for password on boot, then reboots | Format data (not just wipe) in recovery | | No 5G | Only LTE | Check APN settings. Dial *#*#4636#*#*, set preferred network to NR/LTE | | Google Photos no backup | Says "Unsupported device" | Install Pixelify Magisk module or simply use a different cloud | | OTA update fails | Update downloads but won't install | Boot into recovery manually, sideload the OTA zip from /data/lineageos_updates/ | asus zenfone 9 lineage os


The UI runs at a locked 120Hz. Animations are fluid. Gaming (Genshin Impact, COD Mobile) is identical to stock – the Snapdragon 8+ Gen 1 remains a beast. Thermal throttling is actually less aggressive because Lineage uses Google’s stock power HAL, not Asus’s conservative one. When you install LineageOS 21 on the Zenfone