idk if your phone is compatible,
but it is very possible to access the internet by using a cell phone an a modem
i do it all the time with my Nokia 6126 and a bluetooth adaptar
if you call att they will explane step by step how to do it
(Customer Support: 1-800-331-0500
For hearing or speech impaired: 1-866-241-6567)
Hope this helps
-JonathanMC