You'll need to provide more details than that if you want assistance from the Community Forum.
What exactly do you mean by "my phone is blocked"?
What exactly are the symptoms of the problem?
If you need to update your registered payment card details then you can do that via your My48 account:
If you are having problems with that then you'll need to explain/describe the issue clearly if you want assistance from the Community Forum.
If you need to contact 48 support about this then see the links in my signature below.
