We have shared the official Grand G66 Stock Firmware ROM (Flash File) on this page. The Firmware comes in a zip package that contains the original Firmware, Flash Tool, USB Driver, and How-to Flash Guide.
Grand G66 Stock Firmware ROM (Flash File)
You can use the Stock Firmware (Flash File) to re-install the Mobile OS on your Mobile Devices. You can also use it to fix the device if facing any Software-related issues, IMEI issues, or Bootloop.
How to Flash Grand G66 Stock Firmware
- Download and Extract the Grand G66 Stock Firmware on the Computer.
- Once, you have extracted the Package, you will get the Firmware, Flash Tool, Driver and How-to Flash Guide.
- Install the provided USB Driver on the Computer.
- Once Driver is installed, Open Flash Tool on the Computer.
- Once the Flash Tool is Launched, Connect your Device to the Computer using the USB Cable.
- Click on the Download or Upgrade button on the Flash Tool to begin the Flashing process.
- Once the flashing process is completed, Disconnect your Grand G66 device from the Computer and Restart the Device.
[*] Take a Backup: We recommend you take a backup of your data before flashing the Stock Firmware, as flashing the Firmware will delete personal data from the device.
[*] Caution: We do NOT recommend you to Flash the Preloader.bin. As it may brick the device, we recommend you Untick the Preloader option in SP Flash Tool before Flashing it on your device.
[*] Credits: On firmwarecare.com, we only serve the original Firmware released by the device manufacturer in its original state. We have Scanned the Firmware using the Malwarebytes Premium before sharing it online.