unable to update to iso 15

I have an iPhone 11 and I've tried everything to update it, I've checked storage ive tried to update while it connected to my iMac but it keep saying 'unable to update.' Please help

iPhone 11

Posted on Sep 24, 2021 9:46 PM

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Question marked as Top-ranking reply

Posted on Sep 24, 2021 9:48 PM

The following items may be repeat items for you however you can review them and double check for assurance.

Make sure that your iPhone is setup to meet the following requirements before you attempt to update the iOS version-

  • Your iPhone must have a fast Wi-Fi connection; you cannot update over cellular data or a cellular hotspot
  • Ensure that you do not have a beta profile installed from a previous version
  • The iPhone can not be in Low Power mode
  • The battery state of charge must be above 50%
  • Your iPhone must have at least 6GB or more free storage space
  • Your iPhone cannot be connected through VPN
  • You should leave the phone plugged in until it finishes updating, both to assure that it remains above 50% and to keep Wi-Fi enabled (Wi-Fi turns off when the phone sleeps if not connected to power).


Axel F.

1 reply
Question marked as Top-ranking reply

Sep 24, 2021 9:48 PM in response to charllote000

The following items may be repeat items for you however you can review them and double check for assurance.

Make sure that your iPhone is setup to meet the following requirements before you attempt to update the iOS version-

  • Your iPhone must have a fast Wi-Fi connection; you cannot update over cellular data or a cellular hotspot
  • Ensure that you do not have a beta profile installed from a previous version
  • The iPhone can not be in Low Power mode
  • The battery state of charge must be above 50%
  • Your iPhone must have at least 6GB or more free storage space
  • Your iPhone cannot be connected through VPN
  • You should leave the phone plugged in until it finishes updating, both to assure that it remains above 50% and to keep Wi-Fi enabled (Wi-Fi turns off when the phone sleeps if not connected to power).


Axel F.

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unable to update to iso 15

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