That's very odd.
Just removing it and reinstalling it in your phone shouldn't impact it.
Are you sure that it's inserted and seated properly?
Do you mean that you get no network connection at all?
What happens if you do a manual search for networks?
Can you see and connect to 48?
You may need to contact 48 support about this.
See the link in my signature below or email them at support@48months.zendesk.com
