[celestexvi]

I bought a MP4 player off of ebay and of course it had a memory hack on it, I went through the process of removing the hack and found that it has 2GB of memory instead of the 4GB I paid for (I got half my money back). Today I opened up the player and checked the chip number and confirmed that it is in fact a 2GB chip. I've had this MP4 player for a few months now and just recently tried loading it up with the full 2GB of files its supposed to be able to hold but when I get up to about 633MB I get this error "Cannot copy 'filename': The directory or file cannot be created". I've tried formatting the player but I haven't tried changing the firmware. Any suggestions on what might fix this?