Extract Huawei B593u-12 firmware V100R001C397SP100 on your computer
Install the firmware update file for Huawei B593u-12 downloaded from Huaweiflashfiles.com
Follow the procedure for updating firmware that is given in Package.

Firmware Details:
Huawei Flash File | Size: 92.09 Mo
Version: V100R001C397SP100
Operator: KTC Kuwait
Operating systems: Windows 7/8/10/XP/Vista
Huawei B593u-12 Firmware Download