iPhone battery's bad rap

By , CIO |  Unified Communications, iPhone, iphone 4s

Last week, Apple fixed a software bug with iOS 5.1 that was causing a syncing error loop which was draining some iPhone 4S batteries. The vast majority of iPhone owners, however, were not affected by the bug, and should not expect the fix to lead to a leap in battery life performance.

"The battery drains I've seen are very significant: the phone will last for only a couple of hours," says Kyle Wiens of iFixit. In other words, if you've got a battery problem due to the software bug, you'd know it.

The fact that few people are affected by the bug hasn't stopped iPhone 4S owners from lighting up user forums about poor battery life. Although the iPhone 4S battery is slightly larger than the iPhone 4 battery, chances are you're experiencing a dip in battery life. That's because, generally speaking, lithium battery technology hasn't been able to keep up with fast-evolving smartphone technology.

The iPhone, which ushered in the smarphone era, has been the poor battery life poster child among smartphones, perhaps wrongfully so. Compared to Android 4G phones with huge screens-backlit screens are the biggest energy users-and power-inefficient 4G chipsets, the iPhone is a battery champion.

Power-inefficient 4G chipsets are the reason Apple stayed with 3G chipsets in the iPhone 4S, which Wiens correctly predicted despite other industry analysts expecting a 4G iPhone this year. "It's the chipsets and faster wireless protocols that are really the battery hogs," he says. "Look at the battery life of every new 4G phone; it's not acceptable."

Sure, the iPhone 4S taxes the battery more so than its predecessor. For one thing, iOS has become a very complex operating system with fancy iCloud syncing codes, which probably led to the software bug and fix last week. Then there's the plethora of sensors, GPS chips and new antenna designs.

Moreover, iPhone owners are leaning on their smartphones more than ever before. They're watching Youtube, playing games, checking Facebook, surfing the Web, reading emails, making video chat calls, logging their locations, and shooting pictures and video-all of which tax a lithium battery that hasn't changed much over the years.

Kyle Wiens of iFixit.

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Originally published on CIO |  Click here to read the original story.
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