Things to check before contacting o2:

If you haven’t done so already, please check the network status by entering your address and postcode in our livecheck‌. If a fault shows on the live status page, o2 will already be working to fix it. Alternatively you can check our network coverage website‌ by entering your address and postcode.



Are other o2 users also affected? If yes, please get them to enter their address and postcode on our livecheck‌ as well.



Try switching your phone off and on again to refresh your network connection. If this doesn’t help, try selecting the network manually, using your device’s network settings.



If you’re having issues in different areas, try testing your SIM in a different o2 device. If you no longer experience the issues this indicates that there is a fault with the device. Also try testing a different o2 SIM in your own device. If the other o2 SIM works fine in your device, this indicates your SIM is defective.



If no issues are being reported and your phone/SIM are okay, please check our livecheck‌‌ again later as it can sometimes takes a while for network issues to show up.

For o2 to look into the matter further:

Please go back to the same contact channel you were directed from to confirm that you have gone through the above fault diagnosis so that our staff can raise a ticket if necessary and investigate the matter further. If you are contacting us for the first time, please inform the o2 employee that you have already checked the above.

• you can contact us by phone‌, chat‌ (German) or here in the English Community
  
• If your phone is faulty, make sure it’s backed up, try a hard reset and check that your software is up to date. If this doesn’t help, please contact our hardware team.
  
• If your SIM is faulty, the best option is to call into your nearest o2 shop‌‌ for a replacement SIM.

Please note: Once the livecheck‌ shows that a fault has been fixed you might need to turn your device off and on again to refresh your network connection.