Extract Huawei E8372h-607 Firmware 21.313.01.01.74 on your computer
Install the Firmware update file for Huawei E8372h-607 downloaded from Huaweiflashfiles.com
Follow the procedure for updating Firmware that is given in Package.

Huawei Flash File | Size: 52.6 MB
Version: 21.313.01.01.74
Operator: Optus Australia
Operating systems: Windows 7/8/10/XP/Vista
Huawei E8372h-607 Firmware Download