How to upgrade from iOS 14 to 15, NOT 16+?

I cannot “upgrade” my iPhone to iOS 16 for [reasons](https://forums.macrumors.com/threads/those-on-mojave-or-older-dont-upgrade-to-ios-16.2358574/) . But I would like to at least go from 14 to 15 if that is possible. I have read that [15 is okay](https://discussions.apple.com/thread/253259965?answerId=256101542022#256101542022) . Google has this to say: In response to **How do I upgrade my iPhone from iOS 14 to iOS 15?** > **Go to Settings > General**, then tap Software Update. If you see more than one software update option available, choose the one you > want to install. Tap Install Now. If you see Download and Install > instead, tap it to download the update, enter your passcode, then tap Install Now. Apr 12, 2023 [Source](https://support.apple.com/en-gb/HT204204) In response to **Can I update to iOS 15 not 16?** > Just choose the version you want to install and wait until the update > process finishes. If you really don't want to install iOS 16, you can > disable automatic updates on your device. Of course, keep in mind that > Apple may keep iOS 15 updated with security enhancements for a limited > time. Sep 12, 2022 [Source](https://9to5mac.com/2022/09/12/ios-16-optional-ota-update-ios-15/) I also looked at what others have discussed on reddit regarding **[How to update iPhone to a specific iOS](https://www.reddit.com/r/iphone/comments/103mwl3/how_to_update_iphone_to_a_specific_ios/)** , but it seems inconclusive. Is there a way to at least upgrade by one version, or am I stuck? The only option I am seeing is for iOS 16: