Asus Zenfone 9 Lineage Os [best] Jun 2026
Select and confirm the choice. This clears the encrypted stock partitions. Return to the main menu. Step 5: Sideload the ROM and GApps On your phone, select Apply Update then Apply from ADB .
Installing LineageOS on the Asus Zenfone 9 is currently a complex task primarily due to significant hurdles with bootloader unlocking. While the device's hardware is highly capable, official and unofficial support for custom ROMs has faced setbacks. Current Status (April 2026) Official Support : The Asus Zenfone 9 is not officially supported LineageOS Wiki Bootloader Unlocking
Asus previously provided an official unlock app. Ensure your bootloader is completely unlocked before proceeding.
Stripping away ZenUI background services frees up RAM and CPU cycles, making the phone feel faster. asus zenfone 9 lineage os
Post‑installation tips
# Flash vendor_boot (mandatory for this build) fastboot flash vendor_boot vendor_boot.img
Move all downloaded files into your extracted platform-tools folder to simplify terminal commands. Step 4: Boot Into Fastboot Mode Turn off your Zenfone 9 completely. Select and confirm the choice
Go to and tap Build Number seven times to unlock Developer Options. Navigate back to Settings > System > Developer Options . Enable USB Debugging . Step 3: Flash Lineage Recovery Connect your Zenfone 9 to your computer via USB.
zenfone9 (or sometimes AI2202 )
Trade‑offs and risks
Historically, ASUS provided an official bootloader unlock tool APK. Ensure your device is permitted to unlock by checking the current developer forums for the Zenfone 9 state. Once unlocked, your phone will display a warning screen every time it boots up—this is normal behavior for modified Android devices. Step 2: Flash a Custom Recovery
Enter —the most established, privacy‑focused, and community‑driven aftermarket Android distribution. While the ZenFone 9 has not yet received official blessing on the LineageOS website, a thriving community of developers has stepped up. An unofficial, stable, and daily‑driver‑ready build of LineageOS 23.2 (based on Android 16) is now available, offering a clean, bloatware‑free, and incredibly customizable experience. This article is your comprehensive guide: from understanding why you should make the switch, to a detailed step‑by‑step installation walkthrough, and finally, a look at what you can expect in terms of features, performance, and potential pitfalls.
: Use a reliable USB-C cable connected directly to a motherboard port (avoid USB hubs). Step 5: Sideload the ROM and GApps On
You will not get Asus Camera automatically. You must sideload two APKs: