Ios 11

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12.9-inch iPad Pro (2nd generation) 12.9-inch iPad Pro (1st generation) iPad Pro (10.5-inch) iPad Pro (9.7-inch) iPad Air 2. IPad (6th generation) iPad (5th generation) iPad mini 4. IOS 11 is now available. Nowadays, Apple releases a beta version of iOS months ahead of its official release. So, we've already been playing with iOS and compiling how-tos so you can get started. IOS 11 is a big deal even if you're not buying the new iPhone X or iPhone 8. Your device may feel like new thanks to several user interface changes and fresh features. Importantly, the latest. IPhone 11 is splash, water, and dust resistant and was tested under controlled laboratory conditions with a rating of IP68 under IEC standard 60529 (maximum depth of 2 meters up to 30 minutes). Splash, water, and dust resistance are not permanent conditions and resistance might decrease as a result of normal wear.

If you’re looking forward specific methods on how to update to iOS 11, read this guide, which will show you in detail about how to install iOS 11 on your iPhone, iPad, and iPod touch, and this also applying for installing iOS 11.4

iOS 9/10/11/12 Update Tips

iOS 12 Update Tips
iOS 11 Update Tips
iOS 10 Update Tips
iOS 9 Update Tips

AnyFix – Best iPhone Issues Troubleshooter

If you encountered an iPhone that is hard to update/downgrade to iOS 11, this easy-to-use AnyFix to help you get out of this issue. It also supports to solve iTunes/system problems with 1 click and without any data loss. Download it to have a try.

You know that iOS 11 is coming with many new features. As Apple says, it will make iPhone better than iOS 10/9 period, make iPad more capable than ever, and make your iPhone and iPad become the most powerful, personal, and intelligent devices they’ve ever been. If you want to get iPhone running iOS 11, read on, here is the handy guide on how to install iOS 11 on iPhone.

Well, before talking about how to install iOS 11, please be notice that updating operations may break your device or lead to data loss. So, before you start, we highly suggest you make a backup of your iPhone or iPad. One more thing, iOS update always need much space, hence you need to free up more space for updating. You can install the iOS 11 on your iPhone/iPad/iPod touch directly, or with iTunes. Now, let’s follow the steps below to upgrade to the newest iOS version!

Also, Read The Most Common iOS 11 Problems and Solutions >

1. How to Install iOS 11 on iPhone/iPad/iPod touch Over the Air

After the release of iOS 11, you will receive a notification about it on the screen of your iOS device. You can follow the pop-up or check it by yourself, just follow the steps below to download and install iOS 11.

Step 1. Connect your device to a power source to avoid battery drain during the update process.

Step 2. Connect your iOS device to a local & stable Wi-Fi network, otherwise, you’ll charge for downloading the update over your cellular connection.

Step 3. On your iPhone/iPad/iPod touch, go to Settings and then choose General.

Step 4. Tap on “Software Update” to check the update, and choose Download and Install if the update is available.

Step 5. Follow the prompts: Enter Passcode > Tap on Agree on Terms and Conditions > Tap on Agree to confirm.

Step 6. Tap on “Install Now” to start the update process. Then wait patiently for downloading and installing iOS 11.

During the process, some steps may take some time. Hence you should wait for it patiently.

2. How to Install iOS 11 on iPhone/iPad/iPod touch via iTunes

You can also download and install iOS 11 on your iOS device via iTunes if you don’t want to or can’t update over the air. Below are the detailed steps of how to download iOS 11 on iTunes:

Step 1. Download and install the latest version of iTunes on your PC/ Mac computer.

Ios

Step 2. Open iTunes and connect your iPhone, iPad, or iPod touch to the computer via USB cable.

Step 3. Click on Device tab, and then choose Summary.

Step 4. Click on Check for Update > Choose Download and Update > Select Agree to confirm.

Step 5. Enter your Passcode on iPhone, iPad, or iPod touch.

After rebooting your device, it will be running the new iOS 11. You can get started with iOS 11 after finishing the setup steps.

3. How to Install iOS 11 to An iPhone without Efforts

Probably iPhone can automatically upgrade to a new iOS system itself while it is connected to WIFI, locked, and in charge. Some iPhone users are used to update their iPhone with iTunes. Both methods are efficient to update an iPhone to the latest iOS system. However, with the boost of the iOS system, some old iPhones may not be suitable for the newest version of iOS. Like the iOS 13 will not work on iPhone 6 and earlier. Also, Apple hasn’t provided an official solution to downgrade iPhone to iOS 11. How to install iOS 11 to an iPhone easily?

AnyFix, as a professional iTunes/system issue troubleshooter, supports to downgrade iPhone to iOS 11 without any efforts. AnyFix can also easily fix over 200 iTunes issues and over 130 system problems. Here the detailed steps will lead an efficient way to downgrade the iPhone iOS 11.

Step 1. Download AnyFix and launch it on your computer > connect your iPhone to the computer > choose the Upgrade/Downgrade iOS.

Free Download * 100% Clean & Safe

Upgrade or Downgrade iOS Version-1

Step 2. It depends on what the iPhone mode is. You can choose the 1 click to upgrade iOS/iPadOS, also, the 1 click to dgowngrade iOS/iPadOS on the screen. And then click on the Start Now to go on.

Step 3. Choose the right iOS system file to download and click on Update go on. If you already chose the downgrade progress, you will click on Downgrade to continue.

Select, Download, and Upgrade iPhone Firmware Version

Step 4. Once AnyFix finished the download progress, it will start to upload the file to your iPhone. Minutes late, you will see this page on your computer screen.

Bonus Tip: How to Recover Lost Data after Updating to iOS 11

After talking about how to update to iOS 11, then we come to this part. In terms of losing data always happen during every iOS update, so, here in this part, we recommend you a practical iPhone data recovery – PhoneRescue for iOS, which dedicates to help iOS users find and recover lost & deleted data on iPhone iPad after updating to iOS 11 with ease.

PhoneRescue for iOS is compatible with Mac & PC computer and supports all models of iPhone, iPad. It supports recovering 20+ types of iOS content including messages, iMessage, WhatsApp files, photos, videos, notes, calendars, contacts, apps, reminders, etc. It provides you 3 recovery modes: Recover from iTunes, Recover from iCloud, and Recover from iDevices. If you have an available iTunes or iCloud backup, you can use it to selectively preview and recover what you really want to your iPhone without wiping the current data. If you have no backups, you can also use it to recover lost data from your iPhone directly.

Recover Lost Data after Updating to iOS 11

The Bottom Line

That’s all for how to update to iOS 11, we have to remind you again, make a backup for your device before iOS update. If you unfortunately encountered data loss during the updating process, you can have a try on PhoneRescue for iOS to get lost data back.

Product-related questions? Contact Our Support Team to Get Quick Solution >

About Apple security updates

For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.

For more information about security, see the Apple Product Security page. You can encrypt communications with Apple using the Apple Product Security PGP Key.

Apple security documents reference vulnerabilities by CVE-ID when possible.

iOS 11.2

Released December 2, 2017

App Store

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An attacker in a privileged network position may be able to spoof password prompts in App Store

Description: An input validation issue was addressed through improved input validation.

CVE-2017-7164: Jerry Decime

Entry added January 11, 2018

Auto Unlock

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An application may be able to gain elevated privileges

Description: A race condition was addressed with additional validation.

CVE-2017-13905: Samuel Groß (@5aelo)

Entry added October 18, 2018

Calculator

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An attacker with a privileged network position may be able to alter currency conversion rates

Description: Exchange rates were retrieved from HTTP rather than HTTPS. This was addressed by enabling HTTPS for exchange rates.

CVE-2017-2411: Richard Shupak (linkedin.com/in/rshupak), Seth Vargo (@sethvargo) of Google, and an anonymous researcher

Entry added May 2, 2018, updated June 14, 2018

CFNetwork Session

Ios

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 system privileges

Description: A memory corruption issue was addressed with improved memory handling.

CVE-2017-7172: Richard Zhu (fluorescence) working with Trend Micro's Zero Day Initiative

Entry added January 22, 2018

Ios 11+

CoreAnimation

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 elevated privileges

Description: A memory corruption issue was addressed with improved memory handling.

CVE-2017-7171: 360 Security working with Trend Micro's Zero Day Initiative, and Tencent Keen Security Lab (@keen_lab) working with Trend Micro's Zero Day Initiative

Entry added January 22, 2018

CoreFoundation

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An application may be able to gain elevated privileges

Description: A race condition was addressed with additional validation.

CVE-2017-7151: Samuel Groß (@5aelo)

Entry added October 18, 2018

IOKit

Ipad

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: Multiple memory corruption issues were addressed through improved state management.

CVE-2017-13847: Ian Beer of Google Project Zero

Entry updated January 10, 2018

IOKit

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-2017-7162: Tencent Keen Security Lab (@keen_lab) working with Trend Micro's Zero Day Initiative

Entry added December 21, 2017, updated January 10, 2018

IOMobileFrameBuffer

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-2017-13879: Apple

Entry updated October 24, 2018

IOSurface

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-2017-13861: Ian Beer of Google Project Zero

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-2017-13904: Kevin Backhouse of Semmle Ltd.

Entry added February 14, 2018

Kernel

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An application may be able to read kernel memory (Meltdown)

Description: Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis of the data cache.

CVE-2017-5754: Jann Horn of Google Project Zero; Moritz Lipp of Graz University of Technology; Michael Schwarz of Graz University of Technology; Daniel Gruss of Graz University of Technology; Thomas Prescher of Cyberus Technology GmbH; Werner Haas of Cyberus Technology GmbH; Stefan Mangard of Graz University of Technology; Paul Kocher; Daniel Genkin of University of Pennsylvania and University of Maryland; Yuval Yarom of University of Adelaide and Data61; and Mike Hamburg of Rambus (Cryptography Research Division)

Entry added January 4, 2018, updated January 10, 2018

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-2017-13862: Apple

CVE-2017-13867: Ian Beer of Google Project Zero

CVE-2017-13876: Ian Beer of Google Project Zero

Entry updated December 21, 2017

Kernel

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An application may be able to read restricted memory

Description: An out-of-bounds read was addressed with improved bounds checking.

CVE-2017-7173: Brandon Azad

Entry updated August 1, 2018

Kernel

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An application may be able to read restricted memory

Description: A type confusion issue was addressed with improved memory handling.

CVE-2017-13855: Jann Horn of Google Project Zero

Kernel

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An application may be able to read restricted memory

Description: Multiple validation issues were addressed with improved input sanitization.

CVE-2017-13865: Ian Beer of Google Project Zero

CVE-2017-13868: Brandon Azad

CVE-2017-13869: Jann Horn of Google Project Zero

Kernel

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A local user may be able to cause unexpected system termination or read kernel memory

Description: An input validation issue existed in the kernel. This issue was addressed through improved input validation.

CVE-2017-7154: Jann Horn of Google Project Zero

Entry added December 21, 2017

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 privilege

Description: A memory corruption issue was addressed with improved memory handling.

CVE-2017-13880: Apple

Entry added October 18, 2018

Mail

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: Incorrect certificate is used for encryption

Description: A S/MIME issue existed in the handling of encrypted email. This issue was addressed through improved selection of the encryption certificate.

CVE-2017-13874: Nicolas Devillard

Entry updated April 9, 2018

Mail Drafts

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An attacker with a privileged network position may be able to intercept mail

Description: An encryption issue existed with S/MIME credentials. The issue was addressed with additional checks and user control.

CVE-2017-13860: Michael Weishaar of INNEO Solutions GmbH

Mail Message Framework

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: Visiting a malicious website may lead to address bar spoofing

Description: An inconsistent user interface issue was addressed with improved state management.

CVE-2017-7152: Oliver Paukstadt of Thinking Objects GmbH (to.com)

Entry added December 21, 2017

ReplayKit

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A user may not have control over their screen broadcast

Description: A type confusion issue was addressed with improved memory handling.

CVE-2017-13888: Dan Niemeyer of Microsoft, Peter Pau (ArcanaArt.com)

Ios 115

Entry added June 21, 2018, updated September 8, 2020

SafariViewController

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: Visiting a malicious website may lead to address bar spoofing

Description: An inconsistent user interface issue was addressed through improved state management.

CVE-2017-13891: Janne Raiskila (@raiskila)

Entry added June 21, 2018

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-2017-13885: 360 Security working with Trend Micro's Zero Day Initiative

Entry added January 22, 2018

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 through improved memory handling.

CVE-2017-7165: 360 Security working with Trend Micro's Zero Day Initiative

Entry added January 22, 2018

Download ios 11 software

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-2017-13884: 360 Security working with Trend Micro's Zero Day Initiative

Entry added January 22, 2018

Ios 11

WebKit

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: Visiting a malicious website may lead to user interface spoofing

Description: Redirect responses to 401 Unauthorized may allow a malicious website to incorrectly display the lock icon on mixed content. This issue was addressed through improved URL display logic.

CVE-2017-7153: Jerry Decime

Entry added January 11, 2018

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.

Ios 11 Ipad

CVE-2017-7156: Yuan Deng of Ant-financial Light-Year Security Lab

CVE-2017-7157: an anonymous researcher

CVE-2017-13856: Jeonghoon Shin

CVE-2017-13870: Tencent Keen Security Lab (@keen_lab) working with Trend Micro's Zero Day Initiative

Ios 11.0 Download For Ipad

CVE-2017-7160: Richard Zhu (fluorescence) working with Trend Micro's Zero Day Initiative

CVE-2017-13866: Tencent Keen Security Lab (@keen_lab) working with Trend Micro's Zero Day Initiative

Entry added December 13, 2017, updated May 4, 2018

Wi-Fi

Available for: iPhone 6s, iPhone 6s Plus, iPhone 6, iPhone 6 Plus, iPhone SE, iPhone 5s, 12.9-inch iPad Pro 1st generation, iPad Air 2, iPad Air, iPad 5th generation, iPad mini 4, iPad mini 3, iPad mini 2, and iPod touch 6th generation
Released for iPhone 7 and later and iPad Pro 9.7-inch (early 2016) and later in iOS 11.1.

Impact: An attacker in Wi-Fi range may force nonce reuse in WPA multicast/GTK clients (Key Reinstallation Attacks - KRACK)

Description: A logic issue existed in the handling of state transitions. This was addressed with improved state management.

CVE-2017-13080: Mathy Vanhoef of the imec-DistriNet group at KU Leuven

Additional recognition

WebKit

We would like to acknowledge Yiğit Can YILMAZ (@yilmazcanyigit) and Abhinash Jain (@abhinashjain) researcher for their assistance.

Entry added February 14, 2018, updated April 9, 2018