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In a statement to John Paczkowski of All Things D, Apple acknowledged there may be some issues that still need to be addressed after Thursday's release of iOS 5.0.1. That update was advertised to fix bugs affecting battery life, but some users have said the problems persist.
"The recent iOS software update addressed many of the battery issues that some customers experienced on their iOS 5 devices," the company reportedly said. "We continue to investigate a few remaining issues."
Apple worked quickly to release iOS 5.0.1 to the public and provide a fix for the battery woes that it said affected a small number of users. The company released two beta builds of the software last week to developers just two days apart, an unusually fast pace for pre-release software from Apple.
As Apple has worked to fix the bugs that have resulted in shorter battery life for some iPhone users, the company's employees have also been actively working with some customers to diagnose the battery-related bugs as it worked on a fix. Some users were asked to install temporary diagnostic software on their iPhone so Apple could track their usage.
The 5.0.1 update issued on Thursday included other additions and fixes in the incremental update, including multitasking gestures for the original iPad, the resolution of bugs with Documents in the Cloud, and improved voice recognition for Australian users with Siri. The software was also the first public over-the-air update issued by Apple to iPhone, iPad and iPod touch users.