HomeHuawei Firmware Download Huawei E5330As firmware 21.210.05.00.00 Universal GSM Solutions 08 March Download Huawei E5330As firmware 21.210.05.00.00 Universal firmware Details File size: 22.14 MB Version: 21.210.05.00.00 Operator: Universal Operating systems: Windows 7/8/10/XP/Vista Download