How to Setup and Configure AT&T APN Settings Galaxy S20 series Full Details Below......
AT&T Samsung Galaxy S20 APN, internet, data, MMS, 4G and 5G settings, follow these steps
AT&T Lte APN Settings Samsung Galaxy S20 series
- From the Home screen, swipe up on an empty spot to open the Apps tray.
- Tap Settings > Connections > Mobile networks > Access Point Names.
- If available, tap the AT&T (the bullet point fills with blue). If not available, tap ADD.
- 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 |
| MMC | 310 |
| MNC | 410 |
| Authentication type | not set |
| APN Type | internet + mms |
| APN Protocol | IPv4 |
| APN enable/disable | blank |
- Tap Menu > Save.
- Tap the desired APN profile you want to use. The bullet point fills with blue next to the APN profile.
Switch 2G / 3G / LTE / 5G
- From the Home screen, swipe up on an empty spot to open the Apps tray.
- 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