Thread: Help me with Nuvi 255 - lost all data

Originally Posted by lolypop000

Look in inventory page what bootBLK do you have is 851 0r 1074
Hold battery icon for 10 sec (if this dont work then hold clock), then go to page 2 and click on start test and then button More and you will be in inventory page.
Here you will see bootBLK and let me know what number is writen.

851 is normal

1074 is MTK

My 255 go well but it's good to know where to look in case .