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How to update iOS 12 to 15.

Hi gang


having a an issue with updating iOS iPhone 7, from iOS 12 to iOS 15.


anyone have any ideas how to go about this?


just keeps saying cannot be done due to errors and no error if given.


any help would be truly appreciated:


greg

iPhone 7, iOS 12

Posted on Jan 5, 2022 10:36 PM

Reply
Question marked as Top-ranking reply

Posted on Jan 5, 2022 10:39 PM

These are the iOS options based on iPhone Model --> You need to Identify your iPhone model - Apple Support

  • iOS 15.2 —> 6S / 6S Plus, SE (1st Gen and 2nd Gen), 7 / 7 Plus, 8 / 8 Plus, X, XR, XS /XS Max, 11,11 Pro /11 Pro Max, iPhone 12, 12 Mini, 12 Pro, 12 Pro max, iPhone 13, 13 Mini, 13 Pro, 13 Pro Max
  • iOS 12.5.5 —> Final release supported on iPhone 5S, iPhone 6/6 Plus, 

Learn how to--> Update your iPhone, iPad, or iPod touch - Apple Support


2 replies
Question marked as Top-ranking reply

Jan 5, 2022 10:39 PM in response to GtotheeP

These are the iOS options based on iPhone Model --> You need to Identify your iPhone model - Apple Support

  • iOS 15.2 —> 6S / 6S Plus, SE (1st Gen and 2nd Gen), 7 / 7 Plus, 8 / 8 Plus, X, XR, XS /XS Max, 11,11 Pro /11 Pro Max, iPhone 12, 12 Mini, 12 Pro, 12 Pro max, iPhone 13, 13 Mini, 13 Pro, 13 Pro Max
  • iOS 12.5.5 —> Final release supported on iPhone 5S, iPhone 6/6 Plus, 

Learn how to--> Update your iPhone, iPad, or iPod touch - Apple Support


Jan 5, 2022 10:39 PM in response to GtotheeP

I am unable to understand what the issue is.


Use internet speed over 15 Mbps (both download and upload) speed for the error-free update. Avoid latching on to Hotspot or WiFi Extenders

VPN or proxy connections might prevent your device from contacting the update servers.

If you still can't install the latest version of iOS, try downloading the update again:

  1. Go to Settings > General > [Device name] Storage.
  1. Find the iOS update in the list of apps.
  1. Tap the iOS update, then tap Delete Update.
  1. Go to Settings > General > Software Update and download the latest iOS update.

If you don’t see the update in the list of apps or if the issue happens again, you need to update your device with iTunes.

Try updating iOS after each step.

  • Try to Forget the WiFi network and add it again
  • Try another WiFi network 
  • Toggle sets automatically off and then on
  • Reset your network settings
  • Force restart your device
  • Remove any beta profiles, if applicable
  • If everything fails: - Use iTunes or Finder (for macOS Catalina+) to update your device instead of over-the-air


How to update iOS 12 to 15.

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