I’ve done a few bug fixes on the beta client, including problems when exiting/starting application again and problems with the screen not updating.
BB OS 4.1: http://www.tech9computers.com/beta/4.1/BBTracker.jad BB OS 4.2: http://www.tech9computers.com/beta/BBTracker.jad
To install this, go to the browser on your Blackberry and enter the URL under Go To…