AT&T 4G LTE 5G APN Settings for iPhone 14, iPhone 14 Pro, iPhone 13 Pro, iOS 15 iPad Mini Pro Broadband
Settings last verified: November 2026.
APN iPhone : NXTGENPHONE
Broadband APN : Broadband
AT&T Internet Settings for iPhone
On iPhone go to Settings -> Mobile Service (Cellular on older iOS) -> Mobile Data Network and enter the details below.
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.
AT&T iPhone Data Not Working?
- Check that your AT&T plan includes data and that it is active.
- Enter NXTGENPHONE in the Mobile Data and MMS APN fields.
- Update iOS to get the latest AT&T carrier settings.
- If the Mobile Data Network menu is missing, the carrier sets these fields for you.
- Restart the iPhone after saving.