Extract Huawei B593u-91 firmware V100R001C1118SP102 on your computer
Install the firmware update file for Huawei B593u-91 downloaded from Huaweiflashfiles.com
Follow the procedure for updating firmware that is given in Package.

Firmware Details:
Huawei Flash File | Size: 25.68 Mo
Version: V100R001C1118SP102
Operator: Quattro Brazil
Operating systems: Windows 7/8/10/XP/Vista
Huawei B593u-91 Firmware Download