Can you use new maps with old os in 510

[fukawe]

Since the microphone part of the Bluetooth is poor at best, I was wondering if I went back to the older 6.5 os if I could use the 7.2 maps.

Thanks

 

[dhn]

Since the microphone part of the Bluetooth is poor at best, I was wondering if I went back to the older 6.5 os if I could use the 7.2 maps.

Thanks

Afraid not, my understanding is that the minimum firmware requirement to utilize v7 maps is N6.75.