October 31, 2017, Apple released iOS 11.1, its first major software update for the compatible iPhone, iPad and iPod touch models following the initial iOS 11.0 release in September 2017.

iOS 11.1 brings over 70 new emoji while introducing several improvements and outward-facing new features, as well as important security fixes and performance improvements.

iOS 11.1 release notes

Check out everything new, improved and fixed in iOS 11.1.

Emoji

  • Over 70 new emoji characters including new food types, animals, mythical creatures, clothing options, more expressive smiley faces, gender-neutral characters and more

Photos

  • Resolves an issue that could cause some photos to appear blurry
  • Addresses an issue that could cause Live Photo effects to playback slowly
  • Fixes an issue that could cause some photos to not display in the People album when restoring from an iCloud Backup
  • Fixes an issue that could impact performance when swiping between screenshots

Accessibility

  • Improves braille support for Grade 2 input
  • Improves VoiceOver access to multi-page PDFs
  • Improves VoiceOver rotor actions for announcing incoming notifications
  • Improves VoiceOver rotor actions menu when removing an app from the App Switcher
  • Fixes an issue for some users where alternative keys would not display when using VoiceOver with Touch Typing
  • Fixes an issue where VoiceOver rotor would always return to default action in Mail
  • Fixes an issue where VoiceOver rotor would not delete messages

Other improvements & fixes

  • Adds back support for accessing the app switcher by pressing on edge of display with 3D Touch
  • Fixes an issue that caused cleared Mail notifications to reappear on Lock screen
  • Fixes an issue in enterprise environments that prevented data from being moved between managed apps
  • Fixes an issue with some 3rd-party GPS accessories that caused inaccuracies in location data
  • Resolves an issue where settings for Heart Rate notifications were appearing in Apple Watch app (1st generation)
  • Fixes an issue where app icons were not appearing in notifications on Apple Watch

iOS 11.1 security fixes

iOS 11.1 fixes the following vulnerabilities:

CoreText

  • Available for: iPhone 5s and later, iPad Air and later and iPod touch 6th generation
  • Impact: Processing a maliciously crafted text file may lead to an unexpected application termination
  • Description: A denial of service issue was addressed through improved memory handling
  • CVE-ID: CVE-2017-13849: Ro of SavSec

Kernel

  • Available for: iPhone 5s and later, iPad Air and later and iPod touch 6th generation
  • Impact: An application may be able to execute arbitrary code with kernel privileges
  • Description: A memory corruption issue was addressed with improved memory handling
  • CVE-ID: CVE-2017-13799: an anonymous researcher

Messages

  • Available for: iPhone 5s and later, iPad Air and later and iPod touch 6th generation
  • Impact: A person with physical access to an iOS device may be able to access photos from the Lock screen
  • Description: A Lock screen issue allowed access to photos via Reply With Message on a locked device. This issue was addressed with improved state management.
  • CVE-ID: CVE-2017-13844: Miguel Alvarado of iDeviceHelp INC

Siri

  • Available for: iPhone 5s and later, iPad Air and later and iPod touch 6th generation
  • Impact: A person with physical access to an iOS device may be able to use Siri to read notifications of content that is set not to be displayed at the Lock screen
  • Description: An issue existed with Siri permissions. This was addressed with improved permission checking.
  • CVE-ID: CVE-2017-13805: an anonymous researcher

StreamingZip

  • Available for: iPhone 5s and later, iPad Air and later and iPod touch 6th generation
  • Impact: A malicious zip file may be able to modify restricted areas of the file system
  • Description: A path handling issue was addressed with improved validation
  • CVE-ID: CVE-2017-13804: @qwertyoruiopz at KJC Research Intl. S.R.L.

UIKit

  • Available for: iPhone 5s and later, iPad Air and later and iPod touch 6th generation
  • Impact: Characters in a secure text field might be revealed
  • Description: The characters in a secure text field were revealed during focus change events. This issue was addressed through improved state management.
  • CVE-ID: CVE-2017-7113: an anonymous researcher, Duraiamuthan Harikrishnan of Tech Mahindra, Ricardo Sampayo of Bemo Ltd

WebKit

  • Available for: iPhone 5s and later, iPad Air and later and iPod touch 6th generation
  • Impact: Processing maliciously crafted web content may lead to arbitrary code execution
  • Description: Multiple memory corruption issues were addressed with improved memory handling
  • CVE-ID:
    CVE-2017-13784: Ivan Fratric of Google Project Zero
    CVE-2017-13783: Ivan Fratric of Google Project Zero
    CVE-2017-13785: Ivan Fratric of Google Project Zero
    CVE-2017-13788: xisigr of Tencent’s Xuanwu Lab (tencent.com)
    CVE-2017-13802: Ivan Fratric of Google Project Zero
    CVE-2017-13792: Ivan Fratric of Google Project Zero
    CVE-2017-13795: Ivan Fratric of Google Project Zero
    CVE-2017-13798: Ivan Fratric of Google Project Zero
    CVE-2017-13796: Ivan Fratric of Google Project Zero
    CVE-2017-13794: Ivan Fratric of Google Project Zero
    CVE-2017-13793: Hanul Choi working with Trend Micro’s Zero Day Initiative
    CVE-2017-13791: Ivan Fratric of Google Project Zero
    CVE-2017-13803: chenqin (陈钦) of Ant-financial Light-Year Security

Wi-Fi

  • Available for: iPhone 7 and later and 9.7-inch iPad Pro (early 2016) and later
  • Impact: An attacker in Wi-Fi range may force nonce reuse in WPA clients (Key Reinstallation Attacks – KRACK)
  • Description: A logic issue existed in the handling of state transitions. This was addressed with improved state management.
  • CVE-ID: CVE-2017-13080: Mathy Vanhoef of the imec-DistriNet group at KU Leuven

For details on the security content of iOS 11.1, visit Apple’s website. For information about the security content of Apple software updates, check out Apple’s support document.

iOS 11.1 is supported on all 64-bit iOS devices, including all iPhone models from iPhone 5s onward, iPad Air and newer and the sixth-generation iPod touch.

  • I miss the days when .1 updates actually brought new features, seems it’s all just bug fixes now.

    • agungsep

      New emoji is the new feature though.. 😉

  • Juniors234

    Glad the fixed the 3D touch. My iPhone 7 Plus feels so much smoother now. Hopefully we will get better battery life as well. let’s see! 🙂

  • Iskren Donev

    These are a ton of bug fixes! From the looks of things if you want to jailbreak you should not upgrade to 11.1. Any thoughts?

  • Guy AlLee

    So when do iPhone 5, 6, 6S get WiFi KRACK fix?