I've been using my N900 online perfectly fine all day. All of a sudden, it's just dropped the internet connection and now won't reconnect.

It won't connect via MMS or via 'Vodafone Internet GPRS'. It just won't connect to the internet at all.

If it helps any, I'm on Vodafone in the UK.

I've rebooted it twice and that doesn't seem to do anything.

Can anyone help?