- Go to main menu of your iPhone
- Tap on the General icon
- Select the Network option
- Open Cellular Data Network
- Now enter new APN Settings
- Save all the changes that you have made.
- Reboot your iPhone.
- Name: Safelink
- APN: tfdata
- Proxy: proxy.mobile.att.net
- Port: 80
- Username:
- Password:
- Server:
- MMSC: http://mmsc.mobile.att.net
- MMS proxy: mobile.att.net
- MMS port: 80
- MCC: 310
- MNC: 410
- Authentication Type: PAP
- APN type: default,default,mms,supl,hipri
- APN Protocol: IPv4
- APN Roaming Protocol: IPv4/IPv6
- Bearer: