Usually, your phone will download the correct settings for MMS and browsing, but if not, you can follow the country-specific guide below:
Sweden
iPhone 
- Go to Settings.
- Select Mobile network.
- Select Mobile data network.
Fill in the respective fields with the following information:
1. Settings for data
APN: online.telia.se
Username Leave blank
Password: Leave blank
2. Settings for MMS
APN: mms.telia.se
Username: Leave blank
Password: Leave blank
MMSC: http://mmss/
MMS proxy: 193.209.134.132:80
MMS max size: 615000
MMS UA Prof URL: Leave blank
After the information is filled in, you need to restart the mobile phone. After that, your configuration is complete.
Android
Select Settings and then Connection.
- Select Mobile network.
- Select the Access point name.
Tap Add to create a new one.
1. Settings for mobile data
Name: Telia online
APN: online.telia.se
Port: 8080 (Also works with 80)
MCC: 240
MNC: 01
Verification Type/Authentication Type: None
APN type: default
2. Settings for MMS
Name: Telia MMS
APN: mms.telia.se
Username: mms
Password: telia
MMSC: http://mmss/
MMS proxy: 193.209.134.132
MMS port: 8080 (Also works with 80)
MCC: 240
MNC: 01
Verification Type/Authentication Type: PAP
APN type: mms
When you have changed your settings for data or MMS, press Save and then restart your mobile.
Remember that you need to enter your PIN when rebooting.
(On some Samsung phones, you may need to click Menu instead of Save.)
Finland
iPhone 
- Go to Settings.
- Select Mobile network.
- Select Mobile data network.
Fill in the respective fields with the information below:
1. Settings for data
Name: Telia Internet
APN: internet
Username: Leave blank
Password: Leave blank
2. Settings for MMS
APN: mms.telia.fi
MMSC: http://mss/
MMS proxy: 195.156.25.33:8080
MMS max size: 615,000
After the information is filled in, you need to restart the mobile phone. After that, your configuration is complete.
Android
Select Settings and then Connection.
- Select Mobile network.
- Select the Access point name.
Tap Add to create a new one.
1. Settings for mobile data
Name: Telia Internet
APN: internet
Leave other fields empty, and do not change them.
2. Settings for MMS
Name: Telia MMS
APN: mms
MMSC: http://mmss/
MMS proxy: 195.156.25.33
MMS port: 8080 (Also works with 80)
Leave other fields empty, and do not change them.
When you have changed your data or SMS settings, press Save and restart your mobile. (On some Samsung phones, you may need to click Menu instead of Save.)
Norway
iPhone
How to activate mobile data: 
- Go to Settings.
- Select Mobile network.
- Activate Mobile Data.
Under "Mobile data options" roaming can be activated.
To turn on manual APN settings:
- Go to Settings.
- Select Mobile network.
- Select Mobile data network.
Enter the following settings:
MMS
APN: mms
MMSC: http://mms.media
Mobile data
APN: internet
Internet sharing
APN: internet
When done, restart the phone. Next, make sure MMS messaging is enabled under Settings > Messaging.
Android
How to activate mobile data:
- Go to Settings.
- Select Connections
- Select Data usage.
- Activate Mobile data using the switch on the page.
- Data roaming is activated under Mobile network after Connections.
How to set manual APN settings:
(note that this may vary slightly from phone to phone)
- Settings
- Connections
- Mobile network
- Access point name
Set the following settings:
MMS
APN: mms
MMSC: http://mms.media
APN type: mms
Mobile data
Name: (Optional) Telavox Internet
APN: Internet
Approval type: PAP
APN type: Default
APN Protocol: IPv4
APN Roaming protocol: IPv4
When done, restart the phone.
Denmark
If you have TDC coverage, use this guide:
iPhone 
- Go to Settings.
- Select Mobile network.
- Select Mobile data network.
Fill in the respective fields with the following information:
1. Settings for data
APN: internet
Username: Leave blank
Password: Leave blank
2. Settings for MMS
APN: mms
Username: Leave blank
Password: Leave blank
MMSC: http://mmsc.tdc.dk:8002
MMS proxy: inetproxy.tdc.dk:8080
MMS max size: 614400
MMS UA Prof URL: Leave blank
3. Internet sharing/hotspot settings
APN: internet
After the information is filled in, you need to restart the mobile phone. After that, your configuration is complete.
Android
Select Settings and then Connection.
- Select Mobile network.
- Select the Access point name.
Tap Add to create a new one.
1. Settings for mobile data
APN: internet
Port: Leave blank
MCC: 238
MNC: 01
APN type: default,suppl
2. Settings for MMS
APN: mms
MMSC: http://mmsc.tdc.dk:8002
MMS proxy: inetproxy.tdc.dk
MMS port: 8080
MCC: 238
MNC: 01
APN type: mms
When you have changed your settings for data or MMS, press Save and restart your mobile.
Remember that you need to enter your PIN when rebooting.
(On some Samsung phones, you may need to click Menu instead of Save.)