if you have a Huawei Device, You can flash Huawei GR3 Stock firmware to upgrade or downgrade your Huawei smartphone, or if you want to repair your Huawei GR3 if it is stuck on Huawei logo, Boot Screen, or stuck in bootloop… or you don’t receive the OTA update for any reason.
Huawei GR3 powered by Octa-core 1.5 GHz MediaTek MT6753T chipset, the device has 2 GB RAM and 16 GB ROM, up to 256 GB via microSD. Huawei GR3 comes with Single CAMERA: 13 MP in front & 5 MP in back.
Huawei GR3 offers a 5.00-inch touchscreen display with a resolution of 720 x 1280 pixels, The Huawei GR3 Run EMUI 3.1 Lite based on Android 5.1.1 Lollipop and comes in 2 Colors (Gold, Silver). and powered by Non-removable Li-Ion 2200 mAh battery. The Huawei GR3 Price is about 100 EURO.
Requirements:
- Flash Huawei GR3 Stock Firmware: How to Flash Huawei Stock Firmware – All Methods
- Install Huawei GR3 USB Driver: Download & Install Huawei GR3 USB Driver
- Make sure you are flashing the right flash file, We are not responsible for any harm that might come to your Smartphone.
Download Huawei GR3 Stock Firmware
Do not use this firmware on any other Huawei devices. this stock Firmware fit only for your Huawei GR3 device. The ROM file on this page is the official ROM file published by the company:
| Build Number | Android OS | Download |
| TAG-L03 MT6753 C482B105A | Android 5 | FullOTA |
| TAG-L21 MT6753 C328B128 | Android 5 | FullOTA |
| TAG-L21_C328B128_Middle_East_Africa | 5.1.1 Lollipop | FullOTA |
| TAG-L21_C479B132_Russian Federation_Central Asia & Caucasia | 5.1.1 Lollipop | FullOTA |
| TAG-L21C328B136 | 5.1.1 Lollipop | FullOTA |
| TAG-L21 C440B141 Portugal Spain Netherlands Germany Switzerland | 5.1.1 Lollipop | FullOTA |
| TAG-L21 C699B104 Firmware Poland | 5.1.1 Lollipop | FullOTA |
| TAG-L21 C440B139 West European | 5.1.1 Lollipop | FullOTA |
| GR3 TAG-L21 C328B128 Middle East Africa | 5.1.1 Lollipop | FullOTA |
| TAG-L13 2016-10-12 5.1.1 | 5.1.1 Lollipop | FullOTA |
| TAG-L21 5.1 B128 | 5.1.1 Lollipop | FullOTA |
| TAG-L21 B126 | 5.1.1 Lollipop | FullOTA |
| TAG-L21 5.1 B125 | 5.1.1 Lollipop | FullOTA |
| TAG-L21 5.1 B127a | 5.1.1 Lollipop | FullOTA |
| TAG-L21 2017-05-23 | 5.1.1 Lollipop | FullOTA |
| TAG-L21 B126 | 5.1.1 Lollipop | FullOTA |
| TAG-L21 2016-04-18 | 5.1.1 Lollipop | FullOTA |
| TAG-L21 5.1 B127a | 5.1.1 Lollipop | FullOTA |
| TAG-L22 | 5.1.1 Lollipop | FullOTA |
| TAG-L22 | 5.1.1 Lollipop | FullOTA |
| TAG-L22 B128b | 5.1.1 Lollipop | FullOTA |
| TAG-L22 B128i | 5.1.1 Lollipop | FullOTA |
| TAG-L22 5.1 B128b | 5.1.1 Lollipop | FullOTA |
| TAG-L22 5.1 B128i | 5.1.1 Lollipop | FullOTA |
| TAG-L32 2016-12-08 B115 | 5.1.1 Lollipop | OTA |
| TAG-L32 2016-10-28 B113 | 5.1.1 Lollipop | OTA |
| TAG-L23 2016-10-25 B136 | 5.1.1 Lollipop | OTA |
| TAG-L23 2016-12-16 B103 | 5.1.1 Lollipop | OTA |
| TAG-L13 2016-12-17 B101 | 5.1.1 Lollipop | OTA |
| TAG-L21 2017-04-10 B134 | 5.1.1 Lollipop | OTA |
| TAG-L21 2017-03-30 B133 | 5.1.1 Lollipop | OTA |
| TAG-L22 2016-12-08 B140 | 5.1.1 Lollipop | OTA |
Backup all your important data before flashing the Huawei GR3 Stock Firmware because installing firmware will erase all your data:
- GO to the Backup app on your home screen.
- Tab on Backup & Choose the location to which you want to back up your data
- Choose the data you want to backup. depending on your needs (Contacts, Messaging, Call log, images.videos…)
- Then touch Back up to begin the backup.
- set a password, you can Skip if you don’t want to set a password
- After this is complete, tab Next to begin the backup.
Restore Huawei GR3
- Go back to the Backup app, & tab on Restore
- Choose the source of the data to be restored, and touch Next
- Enter your password you set up early then touch OK
- Select the data you want to restored and touch Start restoration.
- Once you choose to restore your back up data
- You can choose a location to restore backed up data (Contacts, Messaging, Call log, images.videos…)
- Finally, tab on OK to finish.
Read also: How to Flash Huawei Enjoy 5s Stock Firmware – All Firmwares
