O2 down - help with faults and problems

Your mobile phone provider O2 is down and you cannot access your mobile network. We'll show you what might help.

O2 down - general malfunction?

Check on allestoerungen.de for o2 whether the downtime is a general problem. If the downtime is noted there and recognized as a problem, the only thing that helps is to wait until the problem has been solved by the service technicians at o2.

O2 Internet problems: reactivating the mobile data

Switch off access to your mobile network in your settings and activate the option again. The internet often works again.

• Read here how to deactivate your mobile network on iPhone. Then just turn it on again.
• It works just as easily with an Android smartphone. You can find instructions in this practical tip.

Network operator O2 activated?

Also check in the settings whether o2 is set up as your "network operator".

• If you have an Android smartphone, we will show you here how to manually select the network operator O2.

Restart the smartphone

Sometimes a restart of your smartphone also helps to re-dial into the mobile network.

Ask at o2

If in doubt, go to the O2 online website (e.g. from your PC), log in with your mobile phone data and ask in the O2 online chat whether downtime of the service can be confirmed there.

We will help you if you have forgotten your password for o2-Online.