Extract Huawei B890 firmware V100R001C489B122 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.
Firmware Details:
Huawei Flash File | Size: 19.57 Mo
Version: V100R001C489B122
Operator: Alltel USA
Operating systems: Windows 7/8/10/XP/Vista
Huawei B890 Firmware Download