On Sunday 23 September 2007 20:08, Anders wrote:

> Check the SIM card holder and the contacts. Clean the contact surface, both
> on SIM card and the small pins on the phone. We had the same problem, and a
> slight tightening of the SIM contact pins helped. Be careful.
> /Anders

This was indeed one of my hypotheses as well. I'll try it and hope for the
best. They already sent me a non-UMTS SIM card, which will arrive next week,
but I'd rather keep this one. I hope this one doesn't get deactivated.