Huawei ALE-L21 imei baseband repair failed

Testing external RAM...2 Gb
Detecting flash...eMMC, Flash size: 16 Gb
Firmware: ALE-L21 C636B200CUSTC636D001, Date: Thu Jul 14 02:59:16 CST 2016, Provider: hw/spcseas
Boot Version: DailyBuild_201607140251_BOOT, FastBoot Version: DailyBuild_201607140251_FASTBOOT
Recovery Version: (unknow), System Version: ALE-L21C636B200_SYSTEM
WiFi address: 50A72BF7CAB0, Bluetooth address: 50A72BF7C3DE
Removing firmware protection....Done
Getting bootloader password...1642002292132514
Reading data...Not found
Connecting...^ Android Composite ADB Interface
Using extended heuristic method....File I/O operation failed