Extract Huawei B660-55a firmware V100R002C994B200 on your computer
Install the firmware update file for Huawei B660-55a downloaded from Huaweiflashfiles.com
Follow the procedure for updating firmware that is given in Package.

Firmware Details:
Huawei Flash File | Size: 7.13 Mo
Version: V100R002C994B200
Operator: Claro Argentina
Operating systems: Windows 7/8/10/XP/Vista
Huawei B660-55a Firmware Download