While you can manually download from third-party repositories like IPSW.me or iClarified , it is usually easier and safer to update directly on your device:
Released in May 2021, focused on expanding digital services and refining privacy: Improved the feature that allows you to unlock
The is the "Global/GSM" version of the iPhone 7, featuring the A10 Fusion chip and a 4.7-inch Retina display. While originally shipped with iOS 10, it supports up to iOS 15.8.6 as of early 2026, meaning it can run versions well beyond 14.6. Feature Highlight: What iOS 14.6 Brought to iPhone 7 Key Details for Your iPhone 7 (A1778)
Added options to use an email address instead of a phone number for "Lost Mode" on AirTags. especially with iOS 14.6
Improved the feature that allows you to unlock your iPhone while wearing a mask (requires an Apple Watch Series 3 or later). How to Download & Update
Introduced the ability for users to subscribe to premium content directly within the Apple Podcasts app.
The remains a remarkably capable device for its age, especially with iOS 14.6 , which introduced key enhancements for Apple's ecosystem. Key Details for Your iPhone 7 (A1778)