If you're using an iPhone and data is not working, please reset network settings on your phone by going to Settings, General, Reset, then Reset Network Settings. Your iPhone will reboot.
If you're NOT using an iPhone (for example, you're using a Samsung, Android, HTC, Windows Phone, or other non-iPhone phone), then data / internet will not work until you change APN settings on your phone.
This was already covered in the activation instructions that came with your sim card, and which are set out below:
APN settings for Samsung Phones and for any other phone using the Android Operating System
- Tap the Menu button
- Tap Settings
- Tap Wireless and networks or More... (depending on your version of Android)
- Tap Mobile Networks
- Tap Access point names
- Tap the Menu button
- Tap New APN
- Enter the following data into the onscreen form, without changing any other settings;
Name - 3 Internet
APN - three.co.uk
MMSC - http://mms.um.three.co.uk:10021/mmsc
MMS Proxy - mms.three.co.uk
MMS Port - 8799
APN type - If given a choice, select internet+mms, if the keyboard appears enter *
(As a check, the image below shows blue text in the fields you should have completed) - Tap the Menu button
- Tap Save
- Enable the newly-added APN by ensuring the line is ticked, or the radio button is lit by tapping on it
- Check the notification bar for 4G, H, 3G, E or G with up and down arrows beside it, which will indicate your connection is working
APN settings for Blackberry
Internet APN
From the home screen:
- Swipe down from the top edge of the screen
- Tap Settings
- Tap Network Connections
- Tap Mobile Network
- Tap APN
- At the top of the screen, tap on the Mobile Plan selector to choose Contract or Prepay
- Enter the following information in the on screen form, without changing any other settings:
Access Point Name - three.co.uk
(As a check, the image below left shows blue text in the fields you should have completed) - Tap Save in the top right corner
- You should now see 4G, 3G, H, E or G next to the signal bars at the top of the display. This indicates you are connected to the data network
MMS APN
From the home screen:
- Swipe left-to-right across the screen to access the Hub
- Tap Menu (3 dots)
- Tap Settings
- Tap Text Messages
- Tap Advanced
- Scroll down past the SMS Settings
- Enter the following settings into the on screen form, without changing any other settings:
APN Settings:
APN - three.co.uk
MMSC Settings:
MMSC URL - http://mms.um.three.co.uk:10021/mmsc
Proxy URL - 217.171.129.2:8799
(The image below right shows blue text in the fields you should have completed) - Tap Save at the bottom of the screen
APN settings for Windows Phone
Windows Phone 8.1
From the home screen:
- Swipe your finger from right to left across the screen to access the Apps list.
- Find and tap on the Settings icon.
- Scroll down this list until you find cellular + SIM or Mobile + SIM, then press on it to continue.
- Make sure your Data connection is set to On, then scroll down and tap on SIM settings.
- At the bottom of the SIM settings page are options to edit internet APN and edit MMS APN. Tap on edit Internet APN to modify your internet connection settings. (Please note: On some handsets these buttons are not in the SIM settings page. If this is the case, go back to the main settings menu and tap on access point which will then allow you to edit the APN settings as described in the Windows Phone 8 section below).
- Enter the following settings into the onscreen form, without changing any other settings:
APN - three.co.uk - Press the Save button to save and quit this screen. The save icon looks like a floppy disk, for those of us who remember them!
- Now select edit MMS APN.
- Enter the following settings into the onscreen form, without changing any other settings:
APN - three.co.uk
WAP gateway (URL) - mms.three.co.uk
WAP gateway port - 8799
MMSC (URL) - http://mms.um.three.co.uk:10021/mmsc
(As a check, the image below shows blue text in the fields you should have completed) - Press the Save button at the bottom of the page to save and quit this screen.
- You should now see 4G, 3G, H, E or G on the top line of the display, next to the signal bars. This indicates you are connected to the data network
Windows Phone 8
From the home screen:
- Swipe across the screen to bring up the apps list
- Open the Settings app
- Tap Mobile network and ensure the data connection is switched on
- Go back to the apps list, scroll down and tap on Settings
- Tap on Access point
- If your network name is showing in the list, tap it to make it active, otherwise tap add
- Enter the following settings into the on screen form, without changing any other settings:
Connection name - 3 Internet
Internet APN:
Access point name - three.co.uk
MMS APN:
Access point name - three.co.uk
Proxy address - mms.three.co.uk
Proxy port - 8799
MMSC address - http://mms.um.three.co.uk:10021/mmsc
(As a check, the image below shows blue text in the fields you should have completed) - Tap the tick at the bottom to save
- You should now see 4G, 3G, H, E or G on the top line of the display. This indicates you are connected to the data network
Windows Phone 7/7.5/7.8
From the home screen:
- Tap the right arrow or swipe across the screen to access the apps list
- Tap Settings
- Tap Mobile network
- Tap Add apn
- Enter the following settings into the onscreen form, without changing any other settings;
Name - 3 Internet
Tick the box to make this the default apn (if option exists)
Internet APN:
APN - three.co.uk
MMS APN:
MMS Access Point Name - three.co.uk
Proxy address - mms.three.co.uk
Proxy port - 8799
MMSC address - http://mms.um.three.co.uk:10021/mmsc - Tap the tick or disk icon to save
- Confirm the APN change
- You should now see 3G, H, E or G on the top line of the display. This indicates you are connected to the data network