Apple iPhone X (GSM) Firmware iOS 14.3 (18C66)

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.

How to update / restore your iPhone/iPad/iPod using the downloaded IPSW file:

1. Download the firmware to your hard drive
2. Connect your device to your Mac or PC using the connection cable
2. On Macs OPTION-click and on PCs SHIFT-click the Update / Restore button in iTunes
3. Select the IPSW file you downloaded to update / restore your device
4. Wait for the iPhone / iPad / iPod to finish the process

  It is highly recommended to always use the most recent driver version available.

Try to set a system restore point before installing a device driver. This will help if you installed an incorrect or mismatched driver. Problems can arise when your hardware device is too old or not supported any longer.