I bought a MP3,Mp4,MT16 Black,1.8" OLED Screen,FM,4GB from Lotsall. I'm very satisfied with it, although I did get a format error while deleting an mp3 file and ended up reformatting the device and reinstalling all my mp3s.
My question is that at somepoint I'm going to want to upgrade the firmware. Short of opening the unit and looking (not even sure if that will work) does anyone know how I can determine the chip board in my unit? I've emailed Lotsall but all they did was send me a link here to download the mp3 player utilities.