Flash and Download Grand G66 Stock Rom Original firmware
Download Grand G66 Stock Firmware
Download the latest Grand G66 Stock Rom (original firmware, flash file). You can flash the Grand G66 stock firmware file to troubleshoot any issues or problems on your Grand G66. Yes! With this guide, you can resolve WiFi and Bluetooth issues, unbrick your device, determine lag or lousy performance, and fix any software-related problems.
Why We Need Grand G66 Stock Firmware?
The Grand G66 Stock Rom will help you upgrade, Downgrade, or re-install Stock Rom Firmware (OS) on your Grand Mobile Device. Stock Rom Flash File (ROM) also allows you to repair the Mobile device if it faces any Software Issue, Bootloop Issue, IMEI Issue, or Dead Issue.
Download Grand G66 Stock Firmware (flash file)
Firmware File Name: Grand_G66_MT6572_161216.zip
Firmware File Size: 382 MB
Download Flash Tool: Get SP Flash Tool for Windows or Get SP Flash Tool for Linux
How to Flash firmware: Guide How to Flash Firmware
How to Flash or Install Grand G66 Firmware (ROM)
[##]: Download and extract the Grand G66 Stock ROM (Firmware Flash File) package on the Computer.
[##]: After extracting the package, you will get the Grand G66 USB Driver, Firmware (ROM), Flash Tool, and How-to Flash Manual.
[##]: Install the provided USB Driver on the Computer. SKIP this step if you have already installed the Grand G66 USB Driver on the laptop.
[##]: Launch the Flash Tool after installing the Grand G66Plus USB Driver on your Computer.
[##]: Once the Flash Tool is Launched, Connect your Grand G66 to the Computer using the USB Cable.
[##]: Click on the ( Download or Upgrade button) on the Flash Tool to begin the Flashing process.
[##]: Follow the How-to Flash Manual to flash the Stock Firmware on the Grand G66 device.
[@] Please Take a Backup: Flashing or installing the Grand G66 Device. We recommend you take a backup of your data from the Grand Devices, as flashing the ROM (firmware) will permanently delete your data from the Device.
[@] Caution: We do NOT recommend you to Flash the Preloader.bin. As it may brick the device, therefore, we recommend you to Untick the Preloader option in SP Flash Tool before Flashing it on your Grand G66.
[@] Flashing the stock firmware on your Grand G66 with the following method will wipe all your data from the device. So make sure you backup all your important data before proceeding.
[@] Grand G66 USB Driver: If you are looking for the latest USB Driver version, head over to the Grand USB Driver page.
[@] The Grand G66 officially releases the firmware shared above. It helps you recover the Grand G66 device if it gets a boot loop, software error, update error, hanging, and dead issue.
[@] Request Grand Firmware: If you are looking for any Grand Stock ROM not listed above. Then you can request it through the comment box below (do not request firmware through the contact page, or else it will be ignored).