O2

Hi,Two quick questions, please:-1> Is it free to call 155 from abroad?2> I read somewhere that in some countries one has to add some characters to the number for it to work, like * and so on. I couldn't find the O2 page I read that information on. An...

HiI received the following message from O2:"You need a balance of at least £10 to renew your bundle or it will expire".I started using the sim card a month ago (October 14). And I only use it to receive sms messages.If I don't top up now, will I lose...

HiAs a new user, I managed to top up the account with £10 today (14 October). Then I received SMS message sating that "You've got unlimited text and minutes and 7GB of data left in your bundle. Make sure you use them before 14 November."But my unders...

Hi, I'm new to O2. I've got a sim card and topped up with £10. I am abroad, when I try to dial 4445 or +444445 I get the local service provider recorded message stating something like "you call cannot be completed as dialled".What am I doing wrong? I...