The bootloader must be unlocked before you can flash any custom software. For the P40 Pro (Kirin 990 5G), official codes are unavailable, leaving only two main paths: 10 Best Custom ROMs for Android You Can Install - Beebom
is extremely difficult because Huawei stopped officially providing bootloader unlock codes in 2018. Current Development Status Locked Bootloader
Some users resort to unofficial, third-party software services or hardware-based "test point" methods (like PotatoNV ) to bypass these locks. These methods often carry a risk of "bricking" the device and may require a paid license.
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