Apple Releases iOS 4.3 With AirPlay and Safari Improvements, Personal Hotspot - MacRumors
Skip to Content

Apple Releases iOS 4.3 With AirPlay and Safari Improvements, Personal Hotspot

130301 ios 4 3

As had been rumored yesterday after a false start, Apple has just released iOS 4.3 to the public, two days ahead of schedule. Updates are available for the iPad, iPhone, and iPod touch, and users should be able update their devices by connecting them to iTunes and clicking the "Check for Update" button.

iOS 4.3 brings a number of enhancements including AirPlay video compatibility for third-party apps and websites, Safari speed improvements, Home Sharing to stream media from any iTunes library to an iOS device via Wi-Fi, and a new option for customizing the iPad's side switch to serve as a mute toggle or screen orientation lock. Finally, iOS 4.3 brings personal hotspot functionality to the GSM iPhone 4 following the feature's debut on the Verizon iPhone last month.

This update contains new features and improvements, including the following:

* 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

Update: The iOS 4.3 update is the same 8F190 build that was seeded to developers last week as the golden master build. A separate 8F191 build has also been posted for the three new iPad models (Wi-Fi and two 3G models) being released on Friday.

Apple has also released an Apple TV software update known as iOS 4.3 Build 8F191m, although it it reportedly registering as software version 4.2 on Apple TVs themselves, similar to earlier versions where software version numbers have been one behind the corresponding iOS versions.

Related Roundup: iPad
Buyer's Guide: iPad (Don't Buy)
Related Forums: iPad, iPhone

Popular Stories

Apple Event Logo

Apple to Release These 15 New Products Later This Year

Friday June 12, 2026 7:45 am PDT by
Apple's annual WWDC developers conference is drawing to a close, but there is still a lot to look forward to in the second half of the year. Apple is expected to release at least 15 more products later this year. Now that the more intelligent and personal version of Siri has finally arrived in beta, a full two years after Apple first previewed it at WWDC 2024, we should begin to see some new ...
Apple Lists 250 Changes Across iOS 27 and More Feature

Apple Shares List of 250 Changes Across iOS 27, macOS Golden Gate, and More

Wednesday June 10, 2026 1:34 pm PDT by
During its WWDC 2026 keynote on Monday, Apple briefly showed a slide with hundreds of new features and enhancements coming across iOS 27, macOS 27 Golden Gate, watchOS 27, tvOS 27, and visionOS 27. All of the software updates are currently available as developer betas, and they are expected to be released to all users in September. We already highlighted some of the key new features from the ...
Apple Logo Top Half

Have One of These 16 Apple Devices? Software Support Ends This Fall

Saturday June 13, 2026 8:00 am PDT by
Apple will end software support for 16 devices this fall across four product lines, with the Apple Watch seeing the most sweeping cull in the product's history. The full extent of this year's software drops became clear with the announcements of macOS 27 Golden Gate, iPadOS 27, tvOS 27, and watchOS 27 at WWDC this week. The one bright spot is that iOS 27 features identical device support to...