How To Open Fastboot Mode On Huawei Mediapad T5... 【RECOMMENDED】

If your goal is to install a custom ROM, consider looking into (hardware-level, advanced, risk of brick). Otherwise, stick to stock EMUI.

Yes, you can open Fastboot Mode easily on the MediaPad T5, but unless you already unlocked the bootloader before Huawei shut down the service (around mid-2018), you won’t be able to flash anything useful. It’s mostly for diagnostic or recovery reboot purposes.