Extract Huawei E397Bu-501 Firmware 11.433.25.10.46 on your computer
Install the Firmware update file for Huawei E397Bu-501 downloaded from Huaweiflashfiles.com
Follow the procedure for updating Firmware that is given in Package.

Huawei Flash File | Size: 14.38 MB
Version: 11.433.25.10.46
Operator:Telcel Mexico
Operating systems: Windows 7/8/10/XP/Vista
Huawei E397Bu-501 Firmware Download