Contact live chat off this link to check if there are any roaming bars on your account http://www.o2.co.uk/contactus
Check your apn. Try changing to mobile.o2.co.uk
If it's already set to that then change to idata.o2.co.uk
Hi @Franck, welcome to our community! Please do let us know if any of the above suggestions helped with your mobile data, or if you're still stuck?
→ Access for You: Registration - Find out how to register for our Access for You service.
→ Want to chat with other fellow-minded members? Head to our Off-topic section for some interesting chit-chat.
→ Check out our Priority board for tickets & offers updates, and to discuss all things Priority-related!
→ Welcome to O2! - New to O2? Find out all you need to know to get started!
If you'd like to take part, why not register? 
Oh yes, good spot. I missed that! Hopefully it's working now but if not, I'm sure we can help figure it out.
→ Access for You: Registration - Find out how to register for our Access for You service.
→ Want to chat with other fellow-minded members? Head to our Off-topic section for some interesting chit-chat.
→ Check out our Priority board for tickets & offers updates, and to discuss all things Priority-related!
→ Welcome to O2! - New to O2? Find out all you need to know to get started!
If you'd like to take part, why not register?
