kaladoo

Hello, im new here, was reading the forum, saw some old threads etc, and i have a question, well i got a F900BT unit, i updated to 2.08 the version on the pioneer website, my question is if there is any newer update i should use, i ordered a GPS device from ebay to my unit, if there are any updated MAPs for EU, i have this problem on my unit that when i turn on the radio and if the USB is conected, it wont automaticaly play the songs on the USB untill i unplug and plug again the USB,is this normal? So Basicaly what im asking is if there is any new firmware to install(better one) and updated m