Extract Huawei E303i WebUi 17.100.10.00.03 on your computer
Install the WebUi update file for Huawei E303i downloaded from Huaweiflashfiles.com
Follow the procedure for updating WebUi that is given in Package.

Huawei Flash File | Size: 15.17 Mo
Version: 17.100.10.00.03
Operator: Universal
Operating systems: Windows 7/8/10/XP/Vista
Huawei E303i WebUi Download