If you’re a gadgetophile like me, you love firmware updates because it’s like giving your smartphone, camera, or other mp3 player a mini-makeover. If you’re normal, however, don’t rush into it—the best thing to do is wait a bit and see what problems are reported from the front line. Take for instance this issue between 3G iPhones and Exchange servers, which no longer play well with each other after yesterday’s 3.1 iPhone OS upgrade.
