It works by preventing the iPad 2 to go to sleep when the Smart Cover is closed while the iPad 2's power off menu is being displayed.
iOS 5.0.1 has been issued to developers as a beta after Apple yesterday conceded that there is a problem in iOS 5 that affects battery life.
"A small number of customers have reported lower than expected battery life on iOS 5 devices. We have found a few bugs that are affecting battery life, and we will release a software update to address those in a few weeks," Apple spokeswoman Natalie Harrison told Macworld.
This story, "iOS Refresh Fixes iPad 2 Smart Cover Security Flaw" was originally published by Macworld U.K..