Filed under: iPhone, iPod touchYou've upgraded your iPhone to iOS 4 and are anxious to play with all sorts of new and wonderful features. Before you do that, take a few minutes to make sure everything is working as expected. Here's a list of things to confirm . They aren't in any particular order, and not all of them will apply to everyone, but some of them will, especially if you have "restored" your iPhone.
1. Launch the phone app and go to the voicemail tab. Make sure that it isn't asking for your PIN. If you're really cautious, you might even call your iPhone and leave yourself a voicemail just to make sure it's working as expected.
Six more easy and necessa
