What do you mean?
What exactly is the issue and symptoms of the problem?
When was the SIM working ok last?
When did you pay successfully buy a membership plan?
If your SIM has been disabled because you haven't bought a membership plan for 6+ months then you'll need to contact 48 support for assistance with getting it working again.
If you need to contact 48 support about this then see the links in my signature below.
