Here is how you can block your iPhone from updating iOS versions. This will disable OTA (over the air) updates on your iPhone. Works on all versions of iOS.
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1: Delete the iOS update if it has already downloaded onto your iPhone in Settings > General > iPhone Storage.
If you do not see any downloaded iOS update appear here, move on to the next step.
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2: From your device download this Block OTA Profile within the Safari App and follow the popups installation.
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3: Now navigate to Settings app > General > VPN & Device Management. Select the “tvOS 16 Beta Software Profile” and follow the prompts to install.
If you have a passcode set on your iPhone you will have to input it. You will also have to restart your iPhone.
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4: When your iPhone is done restarting navigate to Settings App > General > Software Update and you will see whatever version of iOS you are on “is up to date”.
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Done! Congrats you have now blocked iOS OTA updates on your iPhone.
To re enable OTA updates on your iPhone navigate to Settings App > General > VPN & Device Management and simply delete the “tvOS Beta Software Profile”.
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