Official Leagoo Kiicaa Power T591 T592 Firmware Custom Rom Root Twrp Extra Quality -

If a specific ROM is built for T591 but required for T592, minor edits to the updater-script and build.prop may be required. However, because both utilize the same kernel source, simply flashing the zip is usually successful.

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The official ROM is bloated with Leagoo UI and useless apps. Custom ROMs breathe new life into this aging hardware. If a specific ROM is built for T591

In TWRP, perform a Factory Reset (Wipe Data/Cache) before flashing the new ROM .zip file. If a specific ROM is built for T591