Extract Huawei E303H-2 Firmware 22.318.25.00.723 on your computer
Install the Firmware update file for Huawei E303H-2 downloaded from Huaweiflashfiles.com
Follow the procedure for updating Firmware that is given in Package.

Huawei Flash File | Size: 16.50 Mo
Version: 22.318.25.00.723
Operator: New Zealand
Operating systems: Windows 7/8/10/XP/Vista
Huawei E303H-2 Firmware Download