I'm not sure if this is a bug or if it's just a problem with my own SIM, but I've had the phone since last Wednesday and it's been working perfectly except for one thing.

Once last week and now three times today, it's telling me that I have no SIM card inserted. Switching to offline mode and then back to normal mode fixed it once, but the other times, I had to turn it off, remove the battery, and jiggle the SIM a little first.

I can't tell if there's a specific event that triggers it. The first time it happened last week, I think it was either after just sending a text or ending a call (can't remember exactly). Today, it was twice after receiving a text and once just sitting there.

Anyone else have this problem or should I just go get a new SIM? It's not that old, just 2 years or so...