1. connect your device with your PC and make a backup of a fash disk
2. go to the folder ResidentFlash\MobileNavigator\ and rename MobileNavigator.exe to MobileNavigator1.exe
3. download Unlock_roadfinder_fix from here:http://rapidshare.com/files/35264882...finder_fix.zip
4. Copy all files from the arhive to folder \ResidentFlash\MobileNavigator\
5. Reset your device and it should be unlocked!