Repair your Huawei Mobile IMEI by using MF Huawei IMEI Fixer, This is a small tool for Huawei mobile , You can use this tool if your mobile in Sim Invalid Imei 0, Null, Base band Unknown condition. How to use this tool ?? Root your Huawei MobileRun this tool as administrator. Enter 1 for device chek Select your model number Then inter your model number,Now repair IMEI Note : Root requiringGiven the current Supported Model List :C8813C8816C8816DG730-C00H30-U10