Originally Posted by Darthhister
Im on AT&T and I had the same problem. Im sure its different between networks (worth a try), But basically I filled in all options in the APN settings. Try surfing the web to find a complete collection of settings.
You can also quite simply call t-mobile customer care and ask them.
They're usually very nice and helpful.
On my X10i its
and every thing else is left untouched.
But as you've got a $10 data plan, it could be different for you.