The controversy over battery life on the iPhone 4S does not seem to have been soothed by a software update which purports to address disappointing power management in the new phone.
On November 10 Apple released an update for the iOS operating system to version 5.0.1, just about a week after releasing the beta of that version. According to Apple's terse description of the update, it includes improvements and other bug fixes including:
Fixes bugs affecting battery life
Adds Multitasking Gestures for original iPad
Resolves bugs with Documents in the Cloud
Improves voice recognition for Australian users using dictation
The new version also addresses several security problems, described in greater detail below.
Like the initial iOS 5 version, the update applies to the iPhone 4S, 4 and 3GS; the iPad and iPad 2; and the 3rd and 4th generation iPod touch.
If Apple thought that controversy over the battery life in the 4S would end with the release of 5.0.1 they seem to have been mistaken. This discussions.apple.com thread has an endless stream of users claiming that the 5.0.1 update has made their battery life worse. There are also reports (e.g. this one) that iPad battery life is worse under 5.0.1 as well. There are those who report no apparent changes in battery life after the update, but it's hard to find anyone who is pleased with this aspect of the update.
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