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Huawei GR3 (TAG-L21) Firmware Download and Flash Guide [Original Stock ROM]


Download Huawei GR3 (TAG-L21) Stock ROM and how to Flash original firmware of this Device. We provide the original or official firmware for your phone which we took from the official site, we aim to facilitate you in downloading this ROM and provide instructions for installing or updating your device.
Huawei GR3 (TAG-L21) Firmware Download and Flash Guide [Original Stock ROM]
Huawei GR
Specifications of Huawei GR3 :
  • Network : 2G, 3G, 4G LTE
  • SIM Card : Dual SIM
  • OS Version : Android OS, v5.1.1 (Lollipop), upgradable to v6.0.1 (Marshmallow)
  • Size : 5.5 Inch
  • Internal Memory : 16 GB
  • RAM : 2 GB
  • Primary Camera : 13 MP
  • Front Camera : 5.0 MP
  • Battery Model : Non-removable Li-Ion 3000 mAh battery

Easy Methods to flash stock ROM for Huawei GR3

Method 1 : Flash Firmware Huawei GR3
  1. The First thing back up all your important data like photo, videos, contacts etc.
  2. Download the the firmware file in above.
  3. Extract it on your PC or Laptop.
  4. Create the new folder with name "dload" in your SD card.
  5. Copy UPDATE.APP file and paste it the into dload folder.
  6. Now Turn off your Device (Make sure your battery has enough power about 60-80%.)
  7. And then Press or hold Power, Volume Up and Volume Down button for 5-8 sec until the update process appears.
  8. Just wait the update prosses until complete, maybe it take like 7-10 minutes.
  9. When the update process is complete, your device will restart automatically.
  10. Done. just check firmware version in yor phone, Settings > About phone / build number.

Method 2 : Flash Stock Rom Huawei GR3 without turning off the device.
  1. Create the new folder with name "dload" in your SD card.
  2. Copy UPDATE.APP and paste it the into dload folder.
  3. Open Settings and then find About Phone  > System Update > Local Update.
  4. Just wait updating or installing procces until completed.
 Download Huawei GR3 Firmware


So this is all about Huawei GR3 Stock ROM download  and how to install it, if you found broken links or you have any question just leave a comment in comments box bellow. And don't forget to share to your social media. Thanks
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