Many users flash a "generic" or engineering bootloader (often using files meant for the AGS-L09 variant, as the AGS-W09 Wi-Fi version's bootloader is frequently reported as "broken") to enable unlocking.

Creating a fully functional custom ROM (Android 9 or higher) is not recommended for general users due to:

Unofficial builds (e.g., LineageOS 14.1 or 15.1) are the most common stable options for this hardware. Generic System Images (GSIs): Because the

have released modified versions of the original EMUI firmware to improve performance. Legacy TWRP Guides: Early guides (from 2018) exist for installing