HomeHuawei Firmware Download firmware Huawei E5220 update 21.143.15.00.372 South Africa GSM Solutions 18 March Download firmware Huawei E5220 update 21.143.15.00.372 South Africa Firmware Details File size: 31.99 MB Version: 21.143.15.00.372 Operator: South Africa Operating systems: Windows 7/8/10/XP/Vista Download