Use the LADB app or a PC with ADB commands to uninstall pre-installed Huawei system apps.

Developers need kernel source code to build stable custom ROMs (like LineageOS), and Huawei rarely releases this for tablets.

: Attempting to force a third-party ROM onto a locked device will likely "brick" it, making the tablet permanently unusable. Working Alternatives

The screen lit up. No "HarmonyOS" logo. No Huawei ID login. Just a crisp "LineageOS" boot animation—a stylized circle spinning freely.

You can make the stock HarmonyOS/EMUI feel like a "clean" custom ROM by removing pre-installed apps:

fastboot -w fastboot reboot

While the custom ROM offers many benefits, there are also risks and considerations to be aware of: