Works like a charm on mine. Much faster. Only issues I see so far are the K key doesn't lock the keyboard anymore and the locked device doesn't go to the standby screen with the owner information like past versions. Also, MyFaves isn't working but that's not a major loss.
__________________ Working at the place Where Dreams Come True and my BlackBerry Addiction is made stronger.
BlackBerry Curve 8900 with T-Mobile, PIN: 24AE9FC0