This is the first and most critical step. Note that unlocking the bootloader usually wipes your data and may void your warranty. Custom Recovery: You’ll need a recovery like or the official Lineage Recovery to flash the ROM. ADB & Fastboot:
On the other hand, if you rely heavily on the camera‘s gimbal stabilisation for video, need carrier‑specific features like VoLTE, or simply prefer a “set it and forget it” experience, sticking with the final official stock ROM (or exploring other custom ROMs like Paranoid Android) might be a better fit.
Breathing new life into 2022's best compact phone. 📲 asus zenfone 9 lineage os
The 120Hz high-refresh-rate display, physical side-mounted fingerprint scanner, 5G connectivity, Wi-Fi, Bluetooth, and standard audio functions work out of the box.
As of early 2026, the ZenFone 9 is listed on the official LineageOS devices page. The most recent Asus devices with official support are the ZenFone 5Z (LineageOS 22.2) and the ZenFone 8 (LineageOS 23.2). Therefore, any LineageOS build for the ZenFone 9 falls into the “unofficial“ category. That does not mean it is unstable or unsafe. Many of the most beloved custom ROMs for niche devices start as unofficial projects before eventually (or not) gaining official status. This is the first and most critical step
Visit the official LineageOS download portal for the Zenfone 9 (codename: AI2202 ). Download the following packages: LineageOS Installation Recovery image ( .img ) LineageOS Custom ROM zip file ( .zip )
Features like Status Bar control, custom button mapping, and advanced system profiles are built right into the settings. ADB & Fastboot: On the other hand, if
SafetyNet and Play Integrity metrics may trip after unlocking the bootloader. You might need to use root workarounds (like Magisk and Play Integrity Fix modules) to use Google Wallet, banking applications, or certain games.
Boot into Fastboot mode and flash your chosen recovery image. Wipe Data:
| 👍 | 👎 Risks and Challenges | | :--- | :--- | | Extended Software Life : Continue receiving new Android versions and security patches long after ASUS ends official support (2 years of OS updates). | Bootloader Uncertainty : The official unlock tool is unavailable, making this the primary obstacle for virtually all users. | | A Clean, Bloat-Free System : A pure Android experience free from manufacturer skins and unnecessary apps, often leading to a snappier and more private system. | Warranty Void : Unlocking the bootloader will void the manufacturer's warranty. | | Ultimate Control : The freedom to customize every aspect of the OS, root the device, and choose exactly which software components (including Google apps) are installed. | Risk of App Incompatibility : Banking apps, payment services like Google Wallet, and other security-sensitive apps may refuse to function, and workarounds can be complex. | | Community & Security : For older devices past their support date, community-driven security updates can be more reliable than a vendor's stagnant, unpatched software. | Potential for Bricking : An error during the flashing process could render the phone inoperable ("bricked"), especially without a proper custom recovery or ROM. |