Windows

1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
2. Type Get-FileHash iPhone_4.7_14.3_18C66_Restore.ipsw -Algorithm SHA1
3. The output of the command should match the following checksum: dfd7d0167a49ac3138beec24998ae5cd9355df7b. If it doesn't, you may need to redownload the file.

macOS

1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
2. Type openssl sha1 iPhone_4.7_14.3_18C66_Restore.ipsw
3. The output of the command should match the following checksum: dfd7d0167a49ac3138beec24998ae5cd9355df7b. If it doesn't, you may need to redownload the file.

Linux

1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
2. Type openssl sha1 iPhone_4.7_14.3_18C66_Restore.ipsw
3. The output of the command should match the following checksum: dfd7d0167a49ac3138beec24998ae5cd9355df7b. If it doesn't, you may need to redownload the file.

---

Checksums

SHA256sum	2040f73793ba3d3361bad72ecae36d3c0919e6798cd60581a5ba2f8d459f3293
MD5sum	a544da03166662cc754ab091d0e4611b
SHA1sum	dfd7d0167a49ac3138beec24998ae5cd9355df7b

Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 14.3 includes support for Apple Fitness+ and AirPods Max. This release also adds the ability to capture photos in Apple ProRAW on iPhone 12 Pro, introduces Privacy information on the App Store, and includes other features and bug fixes for your iPhone.

Apple Fitness+

• A new fitness experience powered by Apple Watch with studio-style workouts available on your iPhone, iPad, and Apple TV (Apple Watch Series 3 and later)
• New Fitness app on iPhone, iPad, and Apple TV to browse Fitness+ workouts, trainers, and personalized recommendations
• Video workouts added each week in ten popular workout types: High Intensity Interval Training, Indoor Cycling, Yoga, Core, Strength, Dance, Rowing, Treadmill Walking, Treadmill Running, and Mindful Cooldown
• Playlists curated by Fitness+ trainers to complement your workout
• Fitness+ subscription available in Australia, Canada, Ireland, New Zealand, United Kingdom, and United States

AirPods Max

• Support for AirPods Max, new over-ear headphones
• High fidelity audio for rich sound
• Adaptive EQ adapts sound in real time to the personal fit of ear cushions
• Active Noise Cancellation to block out environmental noise
• Transparency mode to hear the environment around you
• Spatial audio with dynamic head tracking for a theater-like listening experience

Photos

• Apple ProRAW photos can be captured on iPhone 12 Pro and iPhone 12 Pro Max
• Apple ProRAW photos can be edited in the Photos app
• Option to record video at 25 fps
• Mirror the front facing camera for still photos on iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, and iPhone X

Privacy

• New privacy information section on App Store pages that includes a developer-reported summary of the app’s privacy practices

TV app

• An all-new Apple TV+ tab makes it easy to discover and watch Apple Original shows and movies
• Enhanced search so you can browse by category such as genre, and see recent searches and suggestions as you type
• Top search results shown with the most relevant matches across movies, TV shows, cast, channels, and sports

App Clips

• Support for launching App Clips by scanning Apple-designed App Clip Codes via Camera or from Control Center

Health

• Ability to indicate pregnancy, lactation, or contraceptive use in Cycle Tracking in the Health app in order to better manage period and fertile window predictions

Weather

• Air quality data is now available in Weather, Maps, and Siri for locations in China mainland
• Air quality health recommendations are provided in Weather and Siri for the United States, United Kingdom, Germany, India, and Mexico at certain air quality levels

Safari

• Ecosia search engine option in Safari

This release also addresses the following issues:

• Some MMS messages may not be received
• Some Messages notifications may not be received
• Contact groups failed to display members when composing a message
• Some videos would not appear correctly when shared from the Photos app
• App folders may fail to open
• Spotlight search results, and opening apps from Spotlight may not work
• Bluetooth could be unavailable in Settings
• Devices could be prevented from charging wirelessly
• MagSafe Duo Charger could wirelessly charge your iPhone at less than the maximum power
• Wireless accessories and peripherals using the WAC protocol could fail to complete setup
• The keyboard would dismiss when adding a list in Reminders while using VoiceOver

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222