I am unable to update my iPhone iOS

Do you see any error messages when you try updating your iPhone? Are you updating to a newer version of iOS 15, or upgrading to iOS 16?

Regardless, if any of the following are true, your phone may not be able to update:

• The specific phone model does not support the update. << This shouldn't be an issue for an iPhone 11
• The phone has been "jailbroken."
• The phone is running an iOS beta. If so, then you will need to remove the beta profile first.
• The phone does not have enough free space. Typically it should have at least 5GBs available to update.
• The phone is configured for either or both Low Power Mode or Personal Hotspot.
• The phone is not connected to power and it has less than 50% charge left.
• The phone is not connected via Wi-Fi to the Internet. It won't update on a cellular-only connection … unless it is on certain 5G cellular networks.
• The phone is connected via a VPN.

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

andreaaa- Said:

"what do i do if it won’t let me update my phone?"

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If an iPhone Update will not Install:

A. Update Using a Computer:

Do so using WiFi or Ethernet on a computer.

• Use my User Tip:  Update your iPhone Using a Computer - User Tip
• Back Up First: IMPORTANT: If you have an option to update, however, then be certain you backup your iPhone first. That way, you will have something to restore your iPhone from should anything go wrong with the update.

B. Uninstall iOS 16 Beta:

Have iOS 16 beta installed? If so, uninstall it, and you would be prompted to upgrade to iOS16.

Click ▶︎ If your iPhone won’t update. 📲

Need more help?

• Call Apple Support at 1-800-APLCARE. 📞
• International Support. 🌐
• Contact Apple Support. 📝
• Live chat using Messages. 💬