Extract Huawei E8231s-81 WebUi 17.100.11.00.03 on your computer
Install the WebUi update file for Huawei E8231s-81 downloaded from Huaweiflashfiles.com
Follow the procedure for updating WebUi that is given in Package.

Huawei Flash File | Size: 15.04 MB
Version: 17.100.11.00.03
Operator:Universal
Operating systems: Windows 7/8/10/XP/Vista
Huawei E8231s-81 WebUi Download