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DIY SYNC2 3.10 update

73K views 15 replies 6 participants last post by  wiz043  
SYNC2 - V3.10 update

can anyone offer some guidance?
Had previously bootleg nav for sync V3.8. upgraded to V3.10 thinking I could use A9 map card.
Now i have lost nav altogether.
Reinstalled Nav patch and unlocked nav but unit will not read map cad A5 nor A9. stuck on insert nav card
does the upgrade overide the forscan changes previously made and do new ones have to be made
 
First of all Thanks to all who offered advise
I was able to get my Nav working again . I didnt even need to downgrade back to V3.8. just loaded the installation files as suggested. now I am back to having Nav but with V3.10. This originally started out as a quest to be able to use an A9 map card. I still can't get nav to read the A9 card, it does work with my A5 card. any suggestions ?