Speed up your iPhone, iPad with Apple's iOS 4.3 update

Apple launched iOS 4.3 on March 10, 2011, and it's time to update your iPhone or iPad! The main updates are summarized as follows:

Personal Hotspot:

- Up to five devices can share the iPhone 4’s mobile data connection (up to three via Wi-Fi, or three via Bluetooth + one via USB).

iTunes Home Sharing:

- Play music, videos, and TV shows from shared libraries on Mac or PC (requires iTunes 10.2).

New AirPlay Functionality:

- Can play the "Photos" app (including Camera Roll, albums) on Apple TV, along with iTunes previews, compatible third-party apps, and web platform video files.

- Apply transition effects available on Apple TV to play "Photos" slide shows.

Adoption of Apple Nitro JavaScript Engine:

- Boosts Safari browser performance.

Support for HD Video Output Using Apple Digital AV Adapter:

- Watch the "Videos" app, iPod app, "Photos," YouTube, Safari, Keynote files on HDMI displays, and support for third-party apps' 720p HD video output.

Ping Feature:

- Annotations and tracking requests for "Push" notifications.

- Directly click "Post" or "Like" songs from the "Now Playing" screen.

Parental Controls:

- New Settings Added

- Repeat alert count setting for "Messages".

- iPad side switch control settings: Provides screen rotation lock or silent switch functionality.

- One-touch conference call: Use waiting key dialing to send codes.

Fixes previous version errors.