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How do I update my iOS 13.4 in my iPhone 6s

How do I update my iOS 13.4 in my iPhone 6s

iPhone 6s, iOS 13

Posted on Feb 5, 2023 8:33 AM

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Question marked as Top-ranking reply

Posted on Feb 5, 2023 8:35 AM

To update to the maximum of iOS 15.7.3, please see: Update your iPhone, iPad, or iPod touch - Apple Support

And: If your iPhone, iPad, or iPod touch won't update - Apple Support

If the above Apple articles do not help, please post back with relevant information. 


You can not update to an intermediate version of iOS.

2 replies
Question marked as Top-ranking reply

Feb 5, 2023 8:35 AM in response to olwethu179

To update to the maximum of iOS 15.7.3, please see: Update your iPhone, iPad, or iPod touch - Apple Support

And: If your iPhone, iPad, or iPod touch won't update - Apple Support

If the above Apple articles do not help, please post back with relevant information. 


You can not update to an intermediate version of iOS.

Feb 5, 2023 8:36 AM in response to olwethu179

To update over the air from the phone all of these requirements must be met:

  • You need at least 10 GB of free storage for iOS 16 or 6 GB for iOS 15 or lower; more is better
  • You must be connected to a Wi-Fi network (and not a personal hotspot)
  • The phone must be charged to at least 50%, and preferably plugged in so it stays above 50% during the update
  • The phone must not be in Low Power Mode
  • The phone must not be connected through VPN, and it may be necessary to delete any VPN apps and VPN profiles
  • The phone cannot be in Airplane mode and must have a cellular data connection
  • You cannot still have a beta version installed on the phone
  • You cannot have a previous version that was downloaded, but not installed - go to Settings/General/iPhone Storage to look; if you find an iOS installer, delete it


If you can't meet all of them you can still update using your computer.

How do I update my iOS 13.4 in my iPhone 6s

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