I've got absolutely terrible experience with o2 and entire customer support. I've been calling them since my router was connected by o2 technician, it still doesn't work obviously and there is no one to solve that issue - the only suggestions I receive is to restart router which doesn't work. Not mentioning that I had to call myself because I didn't receive a call as I was promised. I'm really tired of that service and entire o2. It's 3 weeks waiting for internet and then it's already 5 days after connection and I still do not have internet. Simply terrible.
(Moved to our english community: Broadband/DSL, o2 Michi)