1. Unpack the archive to any directory on your PC. Your desktop should do.
2. Now you should have an update folder.
3. Connect your Huawei device to PC via USB and open the root of your sdcard (internal)
4. Create a new folder and name it dload
5. Go back to where you extracted the stock firmware package. Open the update folder
6. Copy UPDATE.APP and paste in the dload folder you have just created in your sdcard.
7. Power off your device completely and wait for some seconds.
8. Hold Power button, volume up and volume down all at once.
9. Once it starts to boot up, release Power button but continue holding volume up and volume down buttons.
10. An update screen will now display and commence the flashing process.
11. Wait for the flashing process to complete, then reboot.
12. Done
13. You can use SD card Process