4.2.1 for Apple TV now available

Apple has just released a new updated for Apple TV. This update is supposed to fix the flickering issue and bugs.

-  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.
4.2.1 direct download.