My wife just got a thrill last week and something I'm not understanding about it. In the SD and phone storage settings page it shows a "phone storage" of about 5gb with 4gb free. It shows sd storage as 7.xxgb free (nothing used) It shows system storage of like 500mb free. Phone storage? It looks like this is a virtual sd card like a nexus s has. If I look with a file explorer /mnt/sdcard has a folder inside called _externalsd that I'm guessing is the normal SD card mounted inside /mnt/sdcard. If I click unmount sd I can still see stuff in /mnt/sdcard so it's virtual sd for sure I'm thinking. What's the reason for this and am I right about what it is? what's the 500mb free system storage? is that the /data for apps that would be called "internal storage" on any other phone in that settings page?