Need some Help with Emobile GS03- Huawei U9200

Hello to every body

I need some help, Im having this Huawei Emobile GS03 its the same Huawei U9200 (i think 😀 ) it has BaseBand Unknown, but sometimes the basebands works very good when i shut down the phone turn it on again the basebands is Unknown again, can you guys tell me if my sigmabox can help me to solve this? I downloaded the dload file for this model (Emobile GS03) from SigmaBox server, its a dload file i tried to flash it but while flashing there is a UPDATE SD error, already changed the microsd twice.

is it possible to sigmabox help me?