Windows

1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
2. Type Get-FileHash iPhone5,1_8.1_12B411_Restore.ipsw -Algorithm SHA1
3. The output of the command should match the following checksum: 18d4e0950b52165f10588633510dfcebe11a86b0. 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 iPhone5,1_8.1_12B411_Restore.ipsw
3. The output of the command should match the following checksum: 18d4e0950b52165f10588633510dfcebe11a86b0. 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 iPhone5,1_8.1_12B411_Restore.ipsw
3. The output of the command should match the following checksum: 18d4e0950b52165f10588633510dfcebe11a86b0. If it doesn't, you may need to redownload the file.

---

Checksums

SHA256sum	edc9abca9d7cc01ceb9c2eecfa0cf0cf4bc6c4d931215efa772c993063ca79d8
MD5sum	addda3b4166960aa136f503475bb5c7a
SHA1sum	18d4e0950b52165f10588633510dfcebe11a86b0

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

This release includes new features, improvements and bug fixes, including:

• Apple Pay support for iPhone 6 and iPhone 6 Plus (U.S. only)
• Photos includes new features, improvements and fixes
• Adds iCloud Photo Library as a beta service
• Adds Camera Roll album in Photos app and My Photo Stream album when iCloud Photo Library is not enabled
• Provides alerts when running low on space before capturing Time Lapse videos
• Messages includes new features, improvements and fixes
• Adds the ability for iPhone users to send and receive SMS and MMS text messages from their iPad and Mac
• Resolves an issue where search would sometimes not display results
• Fixes a bug that caused read messages to not be marked as read
• Fixes issues with group messaging
• Resolves issues with Wi-Fi performance that could occur when connected to some base stations
• Fixes an issue that could prevent connections to Bluetooth hands-free devices
• Fixes bugs that could cause screen rotation to stop working
• Adds an option to select between 2G, 3G or LTE networks for cellular data
• Fixes an issue in Safari where videos would sometimes not play
• Adds AirDrop support for Passbook passes
• Adds an option to enable Dictation in Settings for Keyboards, separate from Siri
• Enables HealthKit apps to access data in the background
• Accessibility improvements and fixes
• Fixes an issue that prevented Guided Access from working properly
• Fixes a bug where VoiceOver would not work with 3rd party keyboards
• Improves stability and audio quality when using MFi Hearing Aids with iPhone 6 and iPhone 6 Plus
• Fixes an issue with VoiceOver where tone dialing would get stuck on a tone until dialing another number
• Improves reliability when using handwriting, Bluetooth keyboards and Braille displays with VoiceOver
• Fixes an issue that was preventing the use of OS X Caching Server for iOS updates

Some features may not be available for all countries or all areas.

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

http://support.apple.com/kb/HT1222