Ric Ford <email@example.com> noted that the System Update 2.0.1 does not replace the Software Update previously released since System Update 2.0.1 does not include MacCheck, a useful diagnostic utility.
Undelete an iPhone Voicemail Message
There's no Command-Z in the Phone app, but you may be able to retrieve a deleted voicemail message: Open the Voicemail screen in the Phone app. At the bottom of the screen, tap Deleted Messages. To restore a listed message, tap it and then click Undelete.