AT&T LTE APN Settings for iPhone


AT&T 4G LTE APN Settings for iPhone X XPlus XR Xs 8 Plus 7 6S iPad Mini Pro Broadband

APN iPhone : NXTGENPHONE  

Broadband APN : Broadband 

AT&T Internet Settings for iPhone

From the main menu, tap Settings -> Cellular -> Cellular Data Network -> APN. and enter the following details

AT&T APN Settings 4g lte

Cellular Data:
APN: NXTGENPHONE  (or) phone 
Username: Blank
Password: Blank
LTE Setup(Optional):
APN: Blank
Username: Blank
Password: Blank
MMS:
APN: NXTGENPHONE  (or) phone
Username: blank
Password: blank
MMSC: http://mmsc.mobile.att.net
MMS Proxy: proxy.mobile.att.net
MMS Message Size: 1048576
MMS UA Prof URL: blank

Save and reboot the phone.