Have you ever struggled with mobile data not working, MMS failing to send, or slow internet speeds? Your APN settings might be misconfigured.
I’ve personally fixed multiple mobile network issues just by resetting APN settings to default—a simple but effective trick that restores factory settings and eliminates connectivity problems caused by wrong manual inputs, carrier updates, or SIM changes.
If you’ve switched SIM cards, received a system update, or manually changed your network settings, resetting the APN could instantly fix your issue.
Quick Summary
- ✅ APN settings control your mobile data, MMS, and internet access.
- ✅ Resetting APN settings restores factory defaults and can fix connection issues.
- ✅ Different devices (Android, iPhone, Windows) have different reset methods.
- ✅ Some carriers automatically push APN settings, while others require manual setup.
- ✅ If resetting doesn’t work, you may need to enter carrier-specific APN details manually.
Before Resetting APN Settings
1. Confirm That APN Settings Are the Problem
- Restart your phone – A simple restart can clear temporary network glitches.
- Check for network outages – Your carrier may be experiencing issues.
- Insert another SIM card – If another SIM works fine, your APN is likely misconfigured.
2. Backup Your APN Settings (If Possible)
Before resetting, I always recommend backing up your current APN settings, especially if your carrier does not automatically push new settings.
📌 Take a screenshot of your current APN settings.
📌 Write down all APN values manually.
📌 Some Android devices allow exporting APN settings, but iPhones do not.
How to Reset APN Settings to Default
Resetting APN Settings on Android
1️⃣ Open Settings.
2️⃣ Tap Network & Internet (or Connections on some models).
3️⃣ Select Mobile Network → Access Point Names (APN).
4️⃣ Tap the menu icon (three dots) in the top-right corner.
5️⃣ Select Reset to Default and confirm.
6️⃣ Restart your phone if necessary.
💡 For Dual SIM Phones: Make sure you select the correct SIM card before resetting.
Resetting APN Settings on iPhone
1️⃣ Open Settings.
2️⃣ Tap Cellular → Cellular Data Options → Cellular Network.
3️⃣ Scroll down and tap Reset Settings.
4️⃣ Restart your phone.
🚨 Important: If the Reset option is missing, your carrier locks APN settings, meaning you need to contact them to push the correct settings.
Resetting APN Settings on Windows Phones
1️⃣ Open Settings → Network & Wireless → Mobile & SIM.
2️⃣ Select SIM Settings → Add Internet APN.
3️⃣ Tap Reset to Default and confirm.
4️⃣ Restart your phone.
What to Do After Resetting APN Settings
1. Restart Your Device
A restart ensures the default APN settings are properly applied.
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2. Check Mobile Data & MMS
📌 Try opening a webpage or sending an MMS.
📌 If it doesn’t work, go to APN settings and manually enter your carrier’s APN.
3. Accept Carrier-Pushed Settings
Some carriers send APN settings via SMS after a reset. If you receive a message, open it and apply the settings.
Troubleshooting If APN Reset Doesn’t Work
APN Settings Still Missing or Incorrect
🔹 Check if your phone is carrier-locked.
🔹 Manually enter APN settings from your carrier’s website.
Mobile Data Not Working After Reset
📌 Toggle Airplane Mode ON, then OFF.
📌 Reinsert your SIM card to refresh network settings.
📌 Check if your data plan is active.
MMS Not Sending or Receiving
💬 Confirm MMS settings in your APN configuration.
💬 Check if MMS is enabled in your messaging app.
Brand-Specific APN Reset Methods
Samsung
- Go to Settings → Connections → Mobile Networks → Access Point Names.
- Tap Reset to Default.
Google Pixel
- Go to Settings → Network & Internet → SIMs → Access Point Names.
- Select Reset to Default.
OnePlus
- Go to Settings → Wi-Fi & Network → SIM & Network → APN Settings.
- Tap Reset APN Settings.
Carrier-Specific APN Reset & Settings (Internal Use Only)
This document provides additional APN configuration details for carriers in the United States, United Kingdom, and Dubai.
United States Carriers
AT&T (USA)
| Field | Value |
| APN Name | nxtgenphone |
| MMS Proxy | proxy.mobile.att.net |
| MMS Port | 80 |
T-Mobile (USA)
| Field | Value |
| APN Name | fast.t-mobile.com |
| MMSC | http://mms.msg.eng.t-mobile.com/mms/wapenc |
Verizon Wireless (USA)
| Field | Value |
| APN Name | Verizon Wireless |
| APN | vzwinternet |
| MMSC | http://mms.vzwpix.com/servlets/mms |
| MMS Proxy | Not required |
| MMS Port | Not required |
US Cellular (USA)
| Field | Value |
| APN Name | US Cellular |
| APN | internet |
| MMSC | http://mms.uscc.net |
| MMS Proxy | Not required |
| MMS Port | Not required |
Cricket Wireless (USA)
| Field | Value |
| APN Name | Cricket |
| APN | cricket |
| MMSC | http://mms.mycricket.com |
| MMS Proxy | Not required |
| MMS Port | 80 |
United Kingdom and Dubai Carriers
Vodafone (UK, Europe, India)
| Field | Value |
| APN Name | wap.vodafone.co.uk |
| MMS Proxy | 212.183.137.12 |
O2 (UK)
| Field | Value |
| APN Name | O2 UK |
| APN | mobile.o2.co.uk |
| MMSC | http://mms.o2.co.uk |
| MMS Proxy | Not required |
| MMS Port | Not required |
EE (UK)
| Field | Value |
| APN Name | EE |
| APN | everywhere |
| MMSC | http://mms.ee.co.uk |
| MMS Proxy | Not required |
| MMS Port | Not required |
Du (Dubai)
| Field | Value |
| APN Name | Du |
| APN | du |
| MMSC | http://mms.du.ae |
| MMS Proxy | 10.0.0.172 |
| MMS Port | 80 |
Final Thoughts
Resetting APN settings is one of the easiest ways to fix mobile data and MMS issues. If you’re facing network problems, follow this guide and restore your default APN settings.
If resetting doesn’t work:
- Manually enter your carrier’s APN settings.
- Contact your network provider for an APN configuration SMS.