APN Settings for AT&T for your android and iPhone device. This is the manual and easy configuration for AT&T.

How do I change or setup my APN settings for AT&T in android? 
Go to Settings › More › Cellular/MObile Network › Access point Names › + ( to add). Fill up the AT&T apn information.

Alternative process: Go to Settings › Connections › Mobile networks › Access Point Names › Tap on Add on the right top corner. Then Fill up the AT&T apn information.

APN Settings AT&T for android

AT&T apn info:
  • Name: newapn
  • APN: phone
  • Proxy:
  • Port:
  • Username:
  • Password:
  • Server:
  • MMSC: http://mmsc.mobile.att.net/
  • Multimedia message proxy: proxy.mobile.att.net
  • Multimedia message port: 80
  • MCC: 310
  • MNC: 410
  • Authentication type: None
  • APN type: default,mms,supl,hipri,fota
  • APN protocol: IPv4/IPv6
  • APN roaming protocol: IPv4
  • Bearer: Unspecified
APN Settings for AT&T
APN Settings for AT&T

Restart the device and apply this new APN setting. See the new configuration: AT&T 5G APN Settings.

APN configuration for AT&T iPhone

In your iOS device › select Settings › Cellular › Cellular Data Network. Enter all the below apn information correctly in this Cellular Data page.
Cellular Data:
  • APN: phone
  • Username:
  • Password:
LTE Setup(Optional):
  • APN: (Leave Blank)
  • Username: (Leave Blank)
  • Password: (Leave Blank)
In MMS section enter the below information :
  • APN: phone
  • Username:
  • Password:
  • MMSC: http://mmsc.mobile.att.net/
  • MMS Proxy: proxy.mobile.att.net
  • MMS Max Message Size: 1048576
  • MMS UA Prof URL: http://www.apple.com/mms/uaprof.rdf
Press the Home button to save the APN then restart iOS to apply this new APN setting. 

All the process of these AT&T settings is easy and step by step. without it, you can not browse the internet on AT&T.