I have a tomtom One V3 (without SD slot)
I move to Navecore 9.101xxx,
I can't have Mp3 reader, so some people say Mp3 reader work on tomtom GO.
How to unlock this function? I try to change model in switchfiles.zip file but nothing work

I don't want pay 25$ for mp3 reader! (Mediacenter..) and want have Navigation and music in same time!

I know it could work, I try a navcore with Calc and Game!

Please help!