User Activity

Everything so confused and really worried about my phone not working / running up charges when I'm away so trying to understand ahead of time. I'm travelling to Canada next month for 3 weeks. I have a budget / 4GB Pay Monthly contract.1] On the O2 we...
Have received the following text out of the blue. What do I do as can't get to speak to anyone at O2 and this is really making me worry. O2: Thanks for your order. Your SIM is on its way and will be with you in the next 1-3 days. To activate your SIM...