You must use the "Boot Shot" method. This involves opening the modem casing, shorting a specific test point on the motherboard to the ground shield using tweezers, and plugging in the USB cable. This forces the chipset into an emergency USB boot loader state, allowing Balong Flash Tool to send a clean bootloader and firmware image. Conclusion and Safety Warning
Obtain the correct firmware and WebUI files specific to your exact model number. huawei modem flash tool
Newer firmware versions often include updates that improve signal stability, increase data transfer speeds, and optimize battery life on portable MiFi routers. You must use the "Boot Shot" method