HomeHuawei Firmware Download update Huawei E5330Bs-6 firmware 21.210.21.00.00 Universal GSM Solutions 07 March Download update Huawei E5330Bs-6 firmware 21.210.21.00.00 Universal firmware Details File size: 36.24 MB Version: 21.210.21.00.00 Operator: Universal Operating systems: Windows 7/8/10/XP/Vista Download