i just install my x920bt unit, everything works except the sd part of it. The sd slot doesnt read anything at all, i formated to fat32, fat, but nothing shows up, no songs, no updates.

when i inserted nothing happends, what am i doing wrong?

i use 2 different cards, sandisk 2gb and samsung 8gb.

does it only reads hd sd cards?

I thought I was having trouble with mine, too - tried to change splash screens on my X920BT to one on a micro-SD card, but it wouldn't recognize the card. Finally got it to do so by going into Settings-->Splash Screen first, then inserting the card and pushing on it pretty good - then the grayed-out "SD Card" on the lower right part of the screen lit up and I was able to update the flash screen. I used a standard (non-HD) micro SD card for this. You might just try pushing on it a little harder; contacts might be just a little out of alignment.

yeah that was the problem, so i guess i wont be able to use it since i have to keep it push all the way in