Format device with prep usb: [Only registered and activated users can see links. ]

- Create empty folder on device and add name Garmin
- Add inside garmindevice.xml from backup ( don't add nothing else )
- run webupdater or garmin express and update all
- add gmapbmap.img in .System folder
- disconect device from Pc and turn it on and nuvi will work like charm
- now again connect it to pc and with GE download maps.