For users on supported devices, LineageOS remains a popular choice because it is:
If you need Google services, flash them immediately after the ROM before your first reboot. asus zenfone 9 lineage os
For the uninitiated, Lineage OS is the most famous open-source Android distribution. It is the digital phoenix that resurrects "dead" phones, providing security patches, OS updates, and a clean, bloat-free AOSP (Android Open Source Project) experience years after the manufacturer has moved on. For users on supported devices, LineageOS remains a
: Official Asus security updates and software support for the Zenfone 9 (which originally shipped with Android 12 and was updated to Android 14) are expected to conclude around mid-2026. Requirements for Custom ROMs : Official Asus security updates and software support
The Zenfone 9 occupies a unique niche in the smartphone market. Released in late 2022, it features a 5.9-inch display and the Qualcomm Snapdragon 8+ Gen 1 chip, making it one of the few truly compact flagships available. For many users, this hardware is the perfect canvas for a custom ROM like LineageOS, which could offer: