what phone have you got?
Are you able to try any other SIM in your phone (other than O2) to see if it reads/accepts that OK?
How are you gettting on with this Marcikatana?
If you're still having issues, please give us a call on 789 or 0345 6000 789 and we'll get on the case.
Let me know how you get on.
Who's who? Find out more about our community members. Good folk to know