The XDA community has created workarounds and tools to bypass this:
Ultimately, the path to custom ROMs on the Huawei MediaPad M5 Lite is open, but it's paved with significant technical challenges. It is not for the casual user. The lack of an official bootloader unlock method forces you to use advanced tools like PotatoNV, and the A-Only partition layout limits your options for modern GSIs.
Custom ROMs for Huawei MediaPad M5 Lite are for daily use due to locked bootloader and lack of support. Stick with stock EMUI or consider a different tablet for custom ROMs. Huawei Mediapad M5 Lite Custom Rom
Because the M5 Lite uses a Kirin 659 processor, custom ROM support is limited compared to Snapdragon devices. You have two main options: How to Install a Custom ROM on Any Android Phone (Example
The stock EMUI firmware includes proprietary Harman Kardon audio tuning. On a custom ROM, the quad speakers will function, but they might lack the deep bass and spatial separation found on stock software. You can mitigate this by installing Viper4Android or Dolby Atmos ports via Magisk. The XDA community has created workarounds and tools
11 Stability: 7/10
Get Android 11, 12, or even 13+, long after official support ended. Custom ROMs for Huawei MediaPad M5 Lite are
Since the M5 Lite supports Project Treble, you can flash GSIs based on Android 11, 12, or 13, though some hardware features (like special audio or camera features) might not work perfectly.