I am not finding a way to load maps on SD card. Is it even possible on 2520?!
you cant download maps directly to sdcard. but you could move them later on . this article will help you out good day
How to move offline map data to your SD card in Windows Phone | Windows Central
I cannot believe I am the only one with this problem! The storage on drive C is very limited. I only have a couple of GB left. So I cannot install any significant set of maps. SD card could be a saver, but there is no visible way to download maps on SD. So how people go around this?! The only reason I bought this device was because of Here Maps...