How do I enter APN setting?

[InducedChaos]

Hello, I got a brand new ATT HTC Inspire 4G that now works with Metro PCS.
However my internet or MMS do not work unless I am connected to wifi.
How do I enter APN setting? or fix my MMS and internet? Pls help
Thank you

 

[scary alien]

Welcome to our AndroidForums, InducedChaos .

I've moved your post over to the HTC Inspire 4G area for you where the good folks here can hopefully help you out.

Best of luck!