Here is Cubot Rainbow stock ROM firmware (flash file) that you lot tin download together with run to flash or charge stock firmware on your Cubot Rainbow device.
Though this Cubot Rainbow Stock ROM (flash file) has been checked together with confirmed to piece of job for Cubot Rainbow, due to device variations, nosotros cannot guaranty that it volition piece of job for yours.
Depending on your electrical flow OS version, this Cubot Rainbow stock firmware, when flashed on your device, volition either upgrade, downgrade or unbrick your Cubot Rainbow.
And inward either case, you lot volition or together with so probable unloose all your of import files inward the device, therefore, you lot ask to backup all the of import files on your device.
Cubot Rainbow Stock ROM Firmware Download Link(s)
See also: All Cubot Stock ROM Firmware (Flash File)
How to Flash or Upgrade Cubot Rainbow Firmware
1. Download your Cubot Rainbow Stock ROM firmware from the link(s) above.
2. Download together with install Windows device drivers for your Cubot Rainbow. See here: All Android Devices ADB together with Fastboot Drivers
3. Extract your Cubot Rainbow firmware on your PC.
4. Now, select either of the tools listed below here.
Either of the tools tin download together with flash stock ROM firmware on your Cubot Rainbow. I recommend that you lot select the 1 that is or together with so suitable to upgrade or flash your Cubot Rainbow.
Note:
1. Each of the tools listed to a higher house contained mensuration past times mensuration guides alongside illustrated pictures on how to flash stock firmware on your Cubot Rainbow.
2. If you lot require whatever farther assistance, but drib your comment detailing the issue(s) together with I shall assist you lot revive your Cubot Rainbow , if ask be.