Extract Huawei B890 firmware C03B124SP01 on your computer
Install the firmware update file for Huawei B890 downloaded from Huaweiflashfiles.com
Follow the procedure for updating firmware that is given in Package.

Huawei Flash File | Size: 40.80 Mo
Version: C03B124SP01
Operator: Drei / 3 Austria
Operating systems: Windows 7/8/10/XP/Vista
Huawei B890 Firmware Download