Thread: How To Get Your SD Card ID in Your Garmin Device

Originally Posted by serwistk

I am trying to unlock map "PL TOPO 2014.4" which I bought recently, however I think that if I paid for this, then I have right to use it also in my second device... Originally this map is locked and assigned to microSD card.

You cannot unlock "PL TOPO 2014.4" illegally, unlockers don't work with it, useless you try further, you can swap the sd to your 2 devices because the .unl is valid for the sd as you wrote.