He installed a version of Microsoft Explorer on the SD card, then he ran it like the GPS File path Setting, and then It appears like an Internet explorer page in the screen, but in Chinese, since this guy knew which folder, he checked the memory, but it was set to max already, it appears that they came with the max. setting from factory, but the thing is that they only put the necesary memory to run certain navigation software, like the iGo, Polnav. Route 66 etc, mine was not able to run Destinator 7 or 9, or garmin mobile X/T, I'm still waiting for my new antenna to check if my Gps finally works.