I've repacked the UK ROM with the necessary tools to convert a branded device (e.g. Tesco) to a generic device.
APPLY THIS AT YOUR OWN RISK!
- DOWNLOAD (ROMraid) - MD5: 0d8824be0eab931c0d78f185f3640fed
- Download the zip file above and extract to a directory
- Put your device in bootloader mode - Turn off the phone then turn on with the 'volume down' button pressed to enter the bootloader
- WINDOWS - run 'flash-windows.bat' as Administrator
- MAC - Open a terminal window to the directory containing the files, and type 'chmod +x flash-mac.sh' followed by 'sudo ./flash-mac.sh'
- LINUX - Open a terminal window to the directory containing the files, and type 'chmod +x flash-linux.sh' followed by 'sudo ./flash-linux.sh'