No Data with AT&T SIM in Icon

How about these settings....

APN Name = ATT Phone

APN = phone
Proxy = not set
Port = not set
Username = not set
Password = not set
Server = not set
MMSC = http://mmsc.mobile.att.net
MMS Proxy = proxy.mobile.att.net
MMS Port = 80
MCC = 310
MNC = 410
Authentication Type = not set
APN Type = default,mms,supl,fota
APN Protocal = IPv4
APN Roaming Protocol = IPv4
 
Hi, I just purchased the lumia icon verizon and I'm hoping to use it on ATT's network. Text, Phone, works but no data :(

I have downloaded access settings but have no idea what I should enter for:

APN
User name:
Password:
Authenthication Type: pap or chap?
Proxy Server URL
Proxy Port
Network Type:

Then....

MMS access point name
username
password
proxy address
proxy port
mmsc address
network type
authenticaton type:

PLEASE HELPP!!! :orly: