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User profile for user: abdullateef17
abdullateef17 Author
User level: Level 1
4 points

IOS 15.6 installation Error

good day,


I tried to install the latest IOS 15.6 to my iPhone 11 Pro with no success! The message I received is the following:


”Unable to verify Update, IOS 15.6 failed verification because you are no longer connected to the internet “


I have tried several proposed troubleshootings with no success!


please advise.

iPhone 11 Pro

Posted on Jul 26, 2022 7:54 AM

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User profile for user: WheelieNick
WheelieNick
User level: Level 8
40,467 points

Posted on Jul 26, 2022 7:55 AM

Try and install your update via a pc or Mac.



Update your iPhone using a Mac with macOS Catalina or higher

On a Mac with macOS Catalina or higher, you will use the finder in order to upgrade your iPhone. Make sure to Back up your device before starting the upgrade process.

On a Mac with macOS Catalina or later, you will follow the following steps:

  1. Open a finder window
  2. Connect your device to your Mac via a lighting to usb A or a lightning to usb c cable
  3. Select your device in the left sidebar of the finder window
  4. click general, then click check for update
  5. Click download and update.
  6. If asked, enter your iPhone pascode


Update your iPhone via a Mac running macOS Mojave or earlier, or on a Windows PC

On macOS Mojave or earlier, or on a windows machine, we won't use the Finder to upgrade your iOS

Instead, we will use iTunes. Make sure to Back up your device before doing any update or upgrade to your phone.

  1. Open iTunes
  2. connect your device to the computer with an lightning to usb a or a lightning to usb c cable
  3. Click device button in the iTunes toolbar
  4. In the summary tab, click check for update
  5. Click download and update, follow The on screen instructions
  6. If asked, enter your iPhone passcode.


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Question marked as Top-ranking reply
User profile for user: WheelieNick
WheelieNick
User level: Level 8
40,467 points

Jul 26, 2022 7:55 AM in response to abdullateef17

Try and install your update via a pc or Mac.



Update your iPhone using a Mac with macOS Catalina or higher

On a Mac with macOS Catalina or higher, you will use the finder in order to upgrade your iPhone. Make sure to Back up your device before starting the upgrade process.

On a Mac with macOS Catalina or later, you will follow the following steps:

  1. Open a finder window
  2. Connect your device to your Mac via a lighting to usb A or a lightning to usb c cable
  3. Select your device in the left sidebar of the finder window
  4. click general, then click check for update
  5. Click download and update.
  6. If asked, enter your iPhone pascode


Update your iPhone via a Mac running macOS Mojave or earlier, or on a Windows PC

On macOS Mojave or earlier, or on a windows machine, we won't use the Finder to upgrade your iOS

Instead, we will use iTunes. Make sure to Back up your device before doing any update or upgrade to your phone.

  1. Open iTunes
  2. connect your device to the computer with an lightning to usb a or a lightning to usb c cable
  3. Click device button in the iTunes toolbar
  4. In the summary tab, click check for update
  5. Click download and update, follow The on screen instructions
  6. If asked, enter your iPhone passcode.


Reply

IOS 15.6 installation Error

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