First You need an SD card minimum of 16GB
Now download the Stock firmware for your DeviceCreate a new folder in your SD card and rename it to dload
press volume up + volume down and power button then keep pressing all together
Your phone will detect the package and will start the process automatically
The first boot may take up to 5minutes so be patient.Now you need to Hard reset your Huawei device
Press & Hold Volume Up + Power buttons until you see Huawei Logo
In the Hard reset, Page chooses to wipe data/factory reset using Volume buttons
And tap on the Power button to confirmWait until the process fully finishes then Restart your Device.