Spróbuj tego:
Download B135 or B136 version and install entire firmware manually with fastboot commands.
Extract with "Huawei Extractor" tool images also: RECOVERY, BOOT, SYSTEM, CUST, USERDATA and CACHE.
Use this commands in ADB (CMD) :
"fastboot flash system system.img"
"fastboot flash cust cust.img"
"fastboot flash userdata userdata.img"
"fastboot flash cache cache.img"
When you are finished with flashing of all images, use "fastboot reboot" command to restart your phone.
To musi zadziałać.