Yesterday, we reported that Vodafone UK has been sending out text messages to its iPhone 4S subscribers, warning them not to upgrade to iOS 6.1. The update is said to contain a bug that affects the handset’s 3G performance, and subsequently its battery life.
But the issue appears to be more widespread than that. We’ve received a number of comments from readers, that aren’t in the UK and don’t have a 4S, that are seeing similar battery life problems. And it’s been discovered that Exchange might just be the culprit… Read More


















