SCL-AL00 BD C900B051 FACTORY REPAIR UNBRICK FIRMWARE [Board Software] [DG]
SCL-AL00 BD C900B050 Genral FACTORY REPAIR FIRMWAR QCOM QFIL [Board Software] [DG]
SCL-AL00 BD C900B057 China FACTORY REPAIR FIRMWAR QCOM QFIL [Board Software] [DG]
Huawei Board Software. Try to Choose latest version of Board Software or according to your device. Can be use IDT or MultiDwounloader Software.