Originally Posted by dermot.pope
Yes, by removing the battery. My previous bb was a pearl 8100 (couple of years old), it worked well with the BES install I have so I am pretty confident the issue is with the 'new' OS of the flip.
I know it does not help solve your problem, but I do not think it has to do with the new BB OS. I activated wirelessly to BES server within minutes of walking out of the store, and have not had any issues since day one. It's been four weeks since activation.