Have you tried the Alltel MMS and SMS cabs from this post?
http://forum.ppcgeeks.com/showpost.p...38&postcount=2
As far as the connection error messages, I get those a lot in bad coverage areas. Especially when it switches back n forth from Ev to 1x.
How is your signal strength? how many bars?
username:
xxxxxxxxxx@alltel.net (xxxxxxxxxx is your 10 digit phone#)
password: alltel