If you’ve just ported your number to Telgea in the UK and are unable to connect to the internet, the issue is likely with your APN (Access Point Name) settings. Some devices don’t update these settings automatically when switching networks.
Proactive messages
When you first connect to the network in the UK, you will receive a text message similar to what you see below:
This is a network-generated message that allows you to download the APN settings right to your device by following the links.
However, in the case that you're unable to download these APN settings, you can request manual instructions, which will trigger the following text message:
Steps to update manually
Ensure the device is connected to a stable Wi-Fi network.
Disable any eSIMs currently installed
Update APN settings per your device below
Follow these steps to find your APN settings:
🍏 iPhone
Follow the steps depending on your model:
Settings > Mobile Service > Select the new Telgea eSIM > Mobile Data NetworkOR
Settings > Mobile Data > Mobile Data Options > Mobile Data Network
🤖 Android (steps may vary)
Go to
Settings > Connections > Mobile Networks > Access Point Names.Tap
+to add a new APN (or edit an existing one).
Add the correct APN settings
APN: gamma
Username: (leave empty or as applicable)
Password: (leave empty or as applicable)
MMS Settings
APN: gamma
Username: (leave empty or as applicable)
Password: (leave empty or as applicable)
MMS Proxy: mms.three.co.uk:8799
MMS Max Message Size: 307200
MMS UA Prof URL: (leave empty or as applicable)
🎯 Still Not Working?
If above-mentioned steps didn't help you to resolve the issue, try the additional troubleshooting:
Ensure Mobile Data is turned on.
Toggle Airplane Mode on and off.
Restart your phone if needed.