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:
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 Added options to use an email address instead
Released in May 2021, focused on expanding digital services and refining privacy: Added options to use an email address instead
Enabled users to share their Apple Card with family members and track joint spending (available in the US). Added options to use an email address instead
Added options to use an email address instead of a phone number for "Lost Mode" on AirTags.