Apple officially updates Apple TV Software update 4.2.1 to fix screen flickering problems.Apple TV Software Update 4.2.1 is minor updates to fix screen flickering problems,which is reported by some one who already face that problems after iOS 4.3 Updates.
Apple TV Software Update 4.2.1 Features :
- TV compatibility : Addresses issues that may cause the screen to flicker or display incorrect color on some older TVs.
- Wake from sleep : Addresses an issue where Apple TV may not wake up from sleep.
- Audio : Addresses an issue where audio may not be heard on some TV models after switching from another input.
- Stability and performance : Apple TV Software Update 4.2.1 includes stability and performance fixes for Apple TV.
How to Update Apple TV Software Update 4.2.1 :
- Step 1 : Select Settings > General using your Apple Remote.
- Step 2 : Click Update Software. At this time your Apple TV checks to see if an update is available and a download message should appear if an update is available.
- Step 3 : Click Download and Install to start the download process (or Download Now on an Apple TV 1st generation with Apple TV software 1.x).
Important: Do not disconnect your Apple TV during the update process. An Apple TV (1st generation) may flash an amber light; this is expected behavior.
- Step 4 : On an Apple TV (1st generation) with software version 1.x: When the update has finished downloading, an Update Now message should appear. To start the update process, click Update Now.
Additional information :
During the update process, your Apple TV may restart, then display one or two Apple logos and status bars, depending on which Apple TV you have. On Apple TV (1st generation), after the final restart your Apple TV will play the opening video and return to the main menu.
Download Apple TV Update 4.2.1
Stay tune with us for more details on Apple TV Update Softwares.


I was waiting for this release. Thanks and now i need to download.