Windows

1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
2. Type Get-FileHash iPhone11,8_12.0_16A366_Restore.ipsw -Algorithm SHA1
3. The output of the command should match the following checksum: 25c73c93c0fdd0f546d70e92ed455658d5cbc5ec. 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 iPhone11,8_12.0_16A366_Restore.ipsw
3. The output of the command should match the following checksum: 25c73c93c0fdd0f546d70e92ed455658d5cbc5ec. 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 iPhone11,8_12.0_16A366_Restore.ipsw
3. The output of the command should match the following checksum: 25c73c93c0fdd0f546d70e92ed455658d5cbc5ec. If it doesn't, you may need to redownload the file.

---

Checksums

SHA256sum	fafd01ba9b538dd8a6cd8d4bc73970b279434e12aa2500176df6749488e5853a
MD5sum	3d6018132f793648fa65ae8248778c2b
SHA1sum	25c73c93c0fdd0f546d70e92ed455658d5cbc5ec

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

iOS 12 brings performance improvements and exciting new features to iPhone and iPad. Photos introduces new features to help you rediscover and share the photos in your library, Memoji—a new, more customizable Animoji—make Messages more expressive and fun, Screen Time helps you and your family understand and make the most of the time spent on devices, Siri Shortcuts deliver a faster way to get things done with the ability for any app to work with Siri, augmented reality becomes even more engaging with the ability for developers to create shared AR experiences, and new privacy features help protect you from being tracked on the web. This update introduces new features and improvements to:

Performance

• iOS has been enhanced for a faster and more responsive experience across the system
• All supported devices see improved performance, going back to iPhone 5s and iPad Air
• Camera launches up to 70 percent faster, the keyboard appears up to 50 percent faster and typing is more responsive*
• Apps launch up to twice as fast when your device is under heavy workload*

Photos

• New For You tab helps you discover great photos in your library with Featured Photos, Effect Suggestions, and more
• Sharing Suggestions proactively recommend sharing photos taken at events with the people who are in them
• Search enhancements make it easier to find your photos with intelligent suggestions and multiple keyword support
• Search for photos based on the place, business name, or event where you were when you took them
• Improved camera import with faster performance and a new large preview mode
• RAW support for editing images

Camera

• Portrait mode improvements preserve fine detail between subject and background when using Stage Light and Stage Light Mono effects
• QR codes are highlighted in the camera frame, making them easier to scan

Messages

• Memoji, a new, more customizable Animoji, make Messages more expressive with personalized characters that are diverse and fun
• Animoji now also include T. rex, ghost, koala, and tiger
• Make Memoji and Animoji wink and stick out their tongue
• New camera effects bring Animoji, filters, text effects, iMessage sticker packs, and shapes to the photos and videos you capture in Messages
• Animoji recordings can now capture up to 30 seconds

Screen Time

• Screen Time provides detailed information and tools to help you and your family find the right balance of time spent with apps and websites
• See the time spent in apps, usage across categories of apps, how many notifications are received, and how often devices are picked up
• App limits help you set the amount of time you or your child can spend in apps and on websites
• Screen Time for kids lets parents manage how their child uses iPhone and iPad right from their own iOS devices

Do Not Disturb

• Turn off Do Not Disturb after a set time, location or calendar event
• Do Not Disturb during Bedtime hides all notifications from your lock screen while you sleep

Notifications

• Notifications from the same app are automatically grouped together to help you manage your notifications
• Instant Tuning gives you control over your notification settings right from the lock screen
• New Deliver Quietly option silently sends notifications directly to Notification Center without interrupting you

Siri

• Siri Shortcuts deliver a faster way to get things done with the ability for any app to work with Siri
• Add shortcuts using the “Add to Siri” button in supported apps, or in Settings > Siri and Search
• Siri suggests shortcuts on the Lock screen and in Search
• Get motorsports results, schedules, stats and standings for Formula 1, Nascar, Indy 500 and MotoGP
• Search for photos by time, location, people, topic or recent trips to find relevant photos and Memories in Photos
• Translate phrases in more languages, with support for over 40 language pairs
• Check facts about celebrities, such as when they were born, and ask questions about food, including calories and nutrient content
• Turn flashlight on or off
• More natural and expressive voice now available in Irish English, South African English, Danish, Norwegian, Cantonese and Mandarin (Taiwan)

Augmented Reality

• Shared experiences in ARKit 2 let developers create innovative AR apps you can experience together with friends
• Persistence enables developers to save and reload experiences right from where you left off
• Object detection and image tracking gives developers new tools to recognize real world objects and track images while they move through space
• AR Quick Look extends AR throughout iOS, letting you view AR objects with built-in apps like News, Safari, and Files and share them with friends with iMessage and Mail

Measure

• New augmented reality app to measure objects and spaces
• Draw lines across surfaces or in free space to measure, and tap on a line’s label to see more information
• Automatically measure rectangular objects
• Capture, share and markup screenshots of your measurements

Privacy and Security

• Enhanced Intelligent Tracking Prevention in Safari prevents embedded content and social media buttons from tracking cross-site browsing without your permission
• Suppresses ad retargeting by reducing advertisers’ ability to identify iOS devices uniquely
• Strong and unique passwords are suggested automatically when creating an account or changing a password in most apps and in Safari
• Reused passwords are flagged in Settings > Passwords & Accounts
• Security code AutoFill presents one-time security codes sent over SMS as suggestions in the QuickType bar
• Sharing passwords with contacts is easier than ever using AirDrop from Passwords & Accounts in Settings
• Siri supports quickly navigating to a password on an authenticated device

Apple Books

• All-new design that makes discovering and enjoying books and audiobooks easy and fun
• Reading Now makes it simple to get back to the book you’re currently reading or find great recommendations for what to read next
• Add books to the new Want to Read collection to keep track of what you’d like to read next
• The Book Store makes it easy to find your next favorite read with new and popular selections from our Apple Books editors and recommendations chosen just for you
• The new Audiobooks store helps you find immersive stories and informative nonfiction books narrated by your favorite authors, actors, and celebrities

Apple Music

• Search now supports lyrics so you can use a few of the words to find a song
• Artist pages have an easier to browse design with a personalized station of any artist's music
• The new Friends Mix is a playlist of songs you’ll love from everything your friends are listening to
• New charts to show you the daily top 100 songs in countries around the world

Apple News

• Apple News is redesigned to make it easier to discover new channels and topics
• The new sidebar on iPad and Channels tab on iPhone make it easy to jump straight to your favorite publications and discover new ones

Stocks

• All-new design lets you easily view stock quotes, interactive charts, and top news on iPhone and iPad
• Top Stories section includes articles selected by Apple News editors to highlight the latest news driving the market
• Read Apple News stories right in the app, formatted to look great on iPhone and iPad
• Watchlist includes color-coded sparklines that let you see daily performance at a glance
• See an interactive chart for every ticker symbol, plus key details including after-hours price, trading volume, and more

Voice Memos

• All-new design with improved ease of use
• iCloud keeps your recordings and edits in sync across all of your devices
• Available on iPad with support for both portrait and landscape orientation

TV

• Get notified when movies and TV shows are available to watch in Up Next
• Share your favorite movies, TV shows, and sporting events with universal links

Apple Podcasts

• Now supports chapters for shows that include them
• Skip 30 seconds or to the next chapter with forward and back buttons in your car or on your headphones
• Easily manage new episode notifications from the Listen Now screen

Accessibility

• Live Listen now works with AirPods to help you hear more clearly
• RTT phone calling now works with AT&T
• Speak Selection now supports using the Siri voice to speak text that you have selected

Other features and improvements

• Camera effects in FaceTime transform your look in real-time
• CarPlay adds support for third-party navigation apps
• On supported campuses, use contactless student ID cards in Wallet to access buildings and pay with Apple Pay
• Website icons can appear in tabs on iPad by enabling them in Settings > Safari
• Weather includes air quality index in supported regions
• Quickly swipe up from the bottom of the screen to go home on iPad
• Swipe down from the top right to access Control Center on iPad
• Mark Up includes a palette of additional colors and options to change line width and opacity for each tool
• Battery usage chart in Settings now shows your usage for the last 24 hours or 10 days, and you can tap a bar to see app use for that period of time
• On devices without 3D Touch, touch and hold the keyboard Space bar to turn your keyboard into a trackpad
• Maps adds support for indoor maps for airports and malls with indoor positioning in China
• New definition dictionary in Hebrew, and bilingual dictionaries in Arabic and English, and Hindi and English
• New English thesaurus
• Automatic software updates allow iOS updates to be installed automatically overnight

* Testing conducted by Apple in May 2018 using iPhone 6 Plus supporting normal peak performance, prerelease iOS 11.4, and prerelease iOS 12. Keyboard tested using Safari; Camera tested by swiping from the Lock screen. Performance varies based on specific configuration, content, battery health, usage, software versions, and other factors.

Some features may not be available for all countries or all areas, for more information visit: https://www.apple.com/ios/feature-availability and https://www.apple.com/ios/whats-new

For information on the security content of this update, please visit this website:

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