Extract Huawei B681-44 firmware V100R001C404B110 on your computer
Install the firmware update file for Huawei B681-44 downloaded from Huaweiflashfiles.com
Follow the procedure for updating firmware that is given in Package.

Huawei Flash File | Size: 43.70 Mo
Version: V100R001C404B110
Operator: Orange Dominican Republic
Operating systems: Windows 7/8/10/XP/Vista
Huawei B681-44 Firmware Download