ive version 6 on my 2610 im now after version 7 i emailed garmin and immediately got a response stating they will send me version 7 i bought my 2610 in jan of this year on the understanding i get a free update which garmin have complied with.to unlock your codes you go to their website and open the unlock code and follow their instructions,i dont know what the difference is between the two obviously it must be better,will post results as i get them


