[HOW-TO]: Download iOS 4.3 and Its New Features

For those who still wants to update to iOS 4.3, here’s a list of the new features:

Personal Hotspot
- Share iPhone 4 cellular data with up to 5 devices (combination of up to 3 Wi-Fi, 3 Bluetooth, and 1 USB)

iTunes Home Sharing
- Play music, movies, and TV shows from a shared iTunes library on a Mac or PC (requires iTunes 10.2)

New AirPlay features
- Play videos from the Photos app including the Camera Roll album, iTunes previews, enabled third-party apps and websites on Apple TV
- Play slideshows from Photos on Apple TV using transitions available on Apple TV

Faster Safari performance with Apple Nitro JavaScript engine

HD video out using the Apple Digital AV Adapter
- View 720p HD videos from Videos app, iPod app, Photos, YouTube, Safari, Keynote, and enabled third-party apps on an HDMI display

Ping features
- Push notifications for comments and follow requests
- Post and Like songs directly from the Now Playing screen
- Parental controls

New Settings
- Messages setting for number of times to repeat an alert
- iPad side switch setting to lock screen rotation or mute audio notifications and sound effects

Single tap conference call dialing with a pause to send a passcode

Bug fixes

[Source: HERE]

device	current version	date found
AppleTV(2G) (AppleTV2,1)	4.2 (8F191m)	03/09/2011 13:07:02
iPad (iPad1,1)	4.3 (8F190)	03/09/2011 13:07:02
iPad2,1 (iPad2,1)	4.3 (8F191)	03/09/2011 13:07:02
iPad2,2 (iPad2,2)	4.3 (8F191)	03/09/2011 13:07:02
iPad2,3 (iPad2,3)	4.3 (8F191)	03/09/2011 13:07:02
iPhone (iPhone1,1)	3.1.3 (7E18)	04/08/2010 21:05:48
iPhone3G (iPhone1,2)	4.2 (8C148)	11/22/2010 13:08:57
iPhone3GS (iPhone2,1)	4.3 (8F190)	03/09/2011 13:07:02
iPhone4 (iPhone3,1)	4.3 (8F190)	03/09/2011 13:07:02
iPhone4(vz) (iPhone3,3)	4.2.6 (8E200)	01/31/2011 20:30:02
iPodTouch(2G) (iPod2,1)	4.2 (8C148)	11/22/2010 13:08:57
iPodTouch(3G) (iPod3,1)	4.3 (8F190)	03/09/2011 13:07:02
iPodTouch(4G) (iPod4,1)	4.3 (8F190)	03/09/2011 13:07:02
last updated: 03/09/2011 18:47:01 EDT