Extract Huawei E3131h-2 Firmware 21.318.25.00.264 on your computer
Install the Firmware update file for Huawei E3131h-2 downloaded from Huaweiflashfiles.com
Follow the procedure for updating Firmware that is given in Package.

Huawei Flash File | Size: 15.26 MB
Version: 21.318.25.00.264
Operator: P4 Poland
Operating systems: Windows 7/8/10/XP/Vista
Huawei E3131h-2 Firmware Download