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I have a continuous glucose monitor that relies on an app using iOS 15.4 to communicate with my insulin pump. The manufacturer hasn’t completed iOS testing past 15.4. Updates as testing is completed. I need to uninstall 15.7 and reinstall 15.4. Is this possible and if so, how?
[Edited by Moderator]
iPhone 6s, iOS 15
It is not possible to revert like that.
It is not possible to revert like that.
iOS 15.4 downgrade
