How To Unlock Bootloader In Huawei Mediapad M3 ... Better -

After unlocking, never relock the bootloader ( fastboot oem lock ) unless you are 100% sure you are on stock firmware. Relocking with custom software is a guaranteed brick.

: Unlocking the bootloader will trigger a factory reset, wiping all personal data from the tablet. How to Unlock Bootloader in HUAWEI MediaPad M3 ...

Only attempt this if you have prior experience with Android flashing and accept the risk of bricking a legacy device. For most users, the benefits (custom ROMs, root, debloating) do not outweigh the effort and potential loss of Widevine L1. After unlocking, never relock the bootloader ( fastboot