How do I update my iOS
Can you tell me how to update my iOS
iPhone SE (2nd generation)
Question marked as
iPhone SE (2nd Gen) supports iOS 17
Update your iPhone or iPad - Apple Support by using Settings > General > Software Update
This article shows how to update a current installation of iOS 16.6.1
Note the invitation in the graphic to upgrade to iOS 17
Further reading is in How to download iOS 17 - Apple Support