I started having these issues after rooting to DM1.0. Basically it's very inconsistent and most of the time it's at 300 to 400 kbps for downloads, but I was getting around 1200 to 1400 before. I have updated my prl before and after rooting. I did unroot also, but the speed didn't go back to what it was, so it might not even be cause of the root? I don't know what else I could try. Any ideas?