AT&T APN Settings For Samsung Galaxy Phones

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What is the AT&T APN Settings Galaxy Phones 

AT&T 5G APN Settings Samsung Galaxy - Step by Step Configuration : series
1 - Tap the Menu button
2 - Tap Settings
3 - Tap Wireless and networks or More... (depending on your version of Android)
4 - Tap Mobile Networks
5 - Tap Access point names
6 - Tap the Menu button
7 - Tap New APN
8 - Enter the following data into the onscreen form, without changing any other settings;

Name ATT
Proxy blank
Username blank
Password blank
Server blank
MMS Proxy 
MMS Port 80
MMC 310
MNC 410
Authentication type not set
APN Type internet + mms
APN Protocol IPv4 
APN enable/disable  blank
✉ Save this and then select this APN. You can now connect to internet after two minutes (if not working try restarting your your device and then connect)