Hey there!
1. Reboot your device.
2. Break the auto startup by pressing Ctrl + B.
3. Enter a Huawei password.
4. You will see a menu of 7 choices.
5. Pick 7.
6. From the new menu pick 2.
7. Back to the previous menu by picking 0.
8. Pick 6 from the menu to reboot.
It's done. :)