O2 APN

📱 What is an APN?

The Access Point Name (APN) controls how your mobile phone connects to the internet and MMS services over the mobile network. If this is not set correctly, you may experience:

  • No mobile data
  • Inability to send or receive MMS
  • Poor connectivity when switching between 3G/4G/5G

✅ O2 UK APN Settings

Here are the official O2 UK APN settings to manually input into your device.

📲 For Most Smartphones (Android & iPhone):

Field Setting
Name O2 PAY MONTHLY
APN mobile.o2.co.uk
Username o2web
Password password
MMSC http://mmsc.mms.o2.co.uk
MMS Proxy 82.132.254.1
MMS Port 8080
Authentication Type PAP
APN Type default,mms,supl

📱 How to Enter the APN Settings

📱 iPhone (iOS):

  1. Go to Settings > Mobile Data > Mobile Data Network

    Under Mobile Data, input:

    • APN: mobile.o2.co.uk
    • Username: o2web
    • Password: password
  2. Scroll to MMS and enter the rest of the settings as above
  3. Restart your phone

If your iPhone doesn’t show APN options, it may be locked or provisioned differently. Contact our team for assistance.

🤖 Android:

  1. Go to Settings > Network & Internet > Mobile Network > Access Point Names
  2. Tap Add (+) or select an existing O2 APN to edit
  3. Input the settings from the table above
  4. Save and select this APN as the active one
  5. Restart your device

Menu names may vary slightly depending on phone model or Android version.

🔁 Still Not Working?

Try the following:

  • Toggle Airplane Mode on/off
  • Restart your phone
  • Check your mobile data is enabled
  • Try your SIM in another device to rule out a device issue

If you’re still experiencing issues, please get in touch.

💬 Need Help?

We’re here to assist you with SIM setup, porting, and connectivity:

📞 Call: 0800 XXX XXXX

💬 Live Chat: Available on our website

📧 Email: support@simplytelecom.co.uk