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HOW TO UPGRADE,FLASH/UNBRICK HUAWEI DEVICES

 it is recommended to use Sandisk, Kingstone, or Kingmax, size is recommended that more than 1G.
Step Two:
Formatting SD card (optional).
Step three:
copy a large package path UPDATA.APP to the SD card > dload >UPDATA.APP.
Step four:
Check the root directory of the SD card you dload UPDATA.APP.
Step 5:
SD card into the phone is switched on in the main screen, press the Menu key, the system updates -&  SD card upgrade -> confirm -> upgrade, backup data, select the backup data; upgrade.
Step Six:
The upgrade process progress bar shows after the finish of the pending progress bar, the phone automatically restart.

METHOD 2

Step one:
Prepare an SD card,
Step Four:
Power Off phone, insert the SD card, while pressing the volume up button + volume down key switch button, the phone automatically enters the upgrade mode, and then begin the upgrade in Figure

Step Five: After the progress bar to go full fixed, the phone will automatically restart If you do not manually remove the battery.


METHOD 3

SP FLAS TOOL
Learn how to use it here