HomeHuawei Firmware Download update Huawei E5151s-2 firmware 21.143.09.00.839 Tunisia GSM Solutions 02 March Download update Huawei E5151s-2 firmware 21.143.09.00.839 Tunisia Firmware Details File size: 18.83 MB Version: 21.143.09.00.839 Operator: Tunisia Operating systems: Windows 7/8/10/XP/Vista Download