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How To Flash HUAWEI GR3 TAG-L21 Official Stock Firmware

HUAWEI GR3 TAG-L21 Official Stock Firmware Flash Files

Download Stock Rom Flash Files For HUAWEI GR3 TAG-L21.

How To Flash HUAWEI GR3 TAG-L21 With Stock Flash Files :-

Prepare an SD card size is recommended that more than 1Gb.
Formatting SD card (optional).
copy a large package path UPDATA.APP to the SD card dload UPDATA.APP.
Check the root directory of the SD card you dload UPDATA.APP.
Insert 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.
The upgrade process progress bar shows after the finish of the pending progress bar, the phone automatically restart.

Second Methode To Flash HUAWEI GR3 TAG-L21 :-

Prepare an SD card size is recommended that more than 1Gb.
Formatting SD card (optional).
copy a large package path UPDATA.APP to the SD card dload UPDATA.APP.
Tun Of The 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
After the progress bar to go full fixed, the phone will automatically restart If you do not manually remove the battery.
After flashing process starts and might take up to 5-10 minutes. So keep patience and wait.

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