Extract Huawei E3276s-210 irmware 12.005.01.02.24 on your computer
Install the Firmware update file for Huawei E3276s-210 downloaded from Huaweiflashfiles.com
Follow the procedure for updating Firmware that is given in Package.

Huawei Flash File | Size: 9.93 MB
Version: 12.005.01.02.24
Operator:H3G Italy
Operating systems: Windows 7/8/10/XP/Vista
Huawei E3276s-210 irmware Download