Hi, I recently posted about getting an F90BT for nothing from my brother, and that I had to setup a fresh copy of firmware 3.1 to make it functional again. The radio now functions perfectly fine, I've been jamming out to the FM tuner, and some music I have on an SD Card pretty much all day.
The problem is, when I'm listening to music via an SD card, and I'm in the detailed view, it lags so bad, that the radio almost isn't usable, takes roughly 15~ seconds to change the station, playback time only updates once every 5 seconds, instead of every second like it should, and the touch screen bu