( CNN ) -- Apple has released iOS 5.0.1 , an update to its mobile OS that fixes a series of issues that drained the iPhone 's battery . iOS 5.0.1 is the first update to Apple 's iOS 5 , which brought the notifications tray , increased performance and iCloud to the iPad , iPhone and iPod touch . In addition to fixing the iOS battery issue , 5.0.1. adds multitouch gestures to the original iPad , fixes iCloud bugs and improves voice recognition for Australian iPhone users . This is the first OS update available both via iTunes and over-the-air . Not long after the release of the iPhone 4S , users began reporting that their phone 's batteries were draining faster than before . This issue affected not just iPhone 4S users though , but anybody using iOS 5 . Apple eventually figured out that there were bugs in iOS 5 that were causing the battery drain and enlisted developers to help them find the bug . On November 2 , Apple admitted that iOS 5 had battery performance issues and announced that the company would fix the problem with iOS 5.0.1 . Apple has released several betas of the updated OS in the last week . Our testing of the beta has shown that iOS 5.0.1 provides a noticeable improvement to the iPhone 's battery life . We 're still testing the updated OS though , and will let you know what else we find . © 2011 MASHABLE.com . All rights reserved .
iOS 5.0.1 was released to update and fix problems that drained the iPhone 's battery . Users of Apple 's iPhone 5 and other iPhone 5 operated phones reported shorter battery life . Apple claimed that iPhone 5 had battery performance issues .