Transferring Files Problem

i have a nextel i730 and i just got the usb data cable and i downloaded myjal and the driver for it wel when the transfer finishes it gives me this Error my buad rate is at that setting on the program the connetion is good. so i dont know what to do am i missing something can someone help thanks

I Am having the same problem with my I530

I had that problem transfering wav.files to my wifes i730, ended up having to to compress the files twice for them to load.

The ringer is formatted wrong