How to Setup and Configure (5G/4G/3G) AT&T APN Settings OnePlus 9, OnePlus 9 Pro ? AT&T 5G APN Internet and MMS Settings unloked OnePlus 9, OnePlus 9 Pro Full Details Below......
AT&T APN Settings OnePlus 9 Series - Step by Step Configuration :
- Open tap Settings.
- Tap Wi-Fi & network > SIM & network > Access Point Names.
- If available, tap the AT&T LTE (the bullet point fills with green). If not available, tap Add +. You will not be able to change the AT&T LTE APN settings
- To reset your APN settings, tap Menu > Reset to default.
- Verify and update the following settings for the Data APN
| Name | ATT |
| APN | NXTGENPHONE or Phone or wap.cingular |
| Proxy | blank |
| Username | blank |
| Password | blank |
| Server | blank |
| MMSC | http://mmsc.mobile.att.net |
| MMS Proxy | proxy.mobile.att.net |
| MMS Port | 80 |
| MCC | 310 |
| MNC | 410 |
| Authentication type | not set |
| APN Type | default,supl |
| APN Protocol | IPv4/vIPv6 |
| APN Enable/disable | blank |
| Bearer | unspecified |
| MVNO | none |
How to turn 5G on/off on Android
Tap Settings > Connections > Mobile networks
Tap Network mode, then select desired setting:
5G/LTE/3G/2G (auto connect)
LTE/3G/2G (auto connect)
LTE/3G (auto connect)
2G only