This is the safest and easiest way to update your device.
Have a specific error code? Check the system log at 192.168.8.1/api/system/log or comment below. huawei 5g cpe pro 2 firmware download upd
Huawei has enabled since v11.0.2.15. Check your fastboot oem get-arb via Telnet. This is the safest and easiest way to update your device