Firmware ver.: ALE-L21 HUNC150B181CUSTC150D005 SN: QLF7N16601010504 Custom SN: 7N3MVK165X079...
1.official ALE-L21 V100R001C432B052 (and the unified firmware that allows downgrade.) 2.File Fix Ballong Error: 3: Huawei Update Extractor 4.ADB / FASTBOOT 5.adb.drivers. 6. mobile phone usb. NB: FIRST OF ALL:BACK UP AND BACK UP all your data before doing any procedure ...