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Doppio Stock ROM is the official Operating System (OS) of your Doppio Device. The Stock ROM can be used to re-install the Operating System (OS), if in case you are facing any Software related issue, bootloop issue, IMEI issue.
The Doppio Stock ROM can also be used to upgrade or downgrade the Operating System (OS) on your Doppio Devices.
All the following Doppio Stock ROM (zip file) contains the original Doppio USB Driver, Flash Tool, and the Flash File. After Downloading the firmware, follow the instruction manual to flash or install the firmware on your device.
Download Doppio SG402 Stock ROM (original firmware)
Device Model Name : Doppio SG402
ROM Country : All
ROM Version : 5.1
How-to Flash : Read Instructions
ROM File Size : 1 GB
Download Doppio U400 Stock ROM (original firmware)
Device Model Name : Doppio U400
ROM Country : All
ROM Version : 6.0
How-to Flash : Read Instructions
ROM File Size : 1 GB
Download Doppio U450 Stock ROM (original firmware)
Device Model Name : Doppio U450
ROM Country : All
ROM Version : 6.0
How-to Flash : Read Instructions
ROM File Size : 1 GB
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Readme:
[#] After flashing (installing) the Doppio Stock Firmware ROM on your device, you may need to flash (install) the IMEI using the IMEI tool provided with the firmware file. If you are going to flash the IMEI, then flash the Original IMEI that comes with your Doppio device.
[#] Take a Backup: If you are going to flash the above firmware on your Doppio, then make sure to take a backup of your data as it will be deleted after flashing the stock firmware.[#] Request Doppio Firmware: If you are looking for any specific Doppio firmware that is not listed above, you can request it through the comment box below .
[#] Broken link? Report here.
[#] Have we missed any device model? Let us know by contacting us via comment box