It’s Tuesday, September 19, 2017 and Apple has officially released iOS 11 (build 15A372). Registered Apple Developer can download the Restore Images at Apple Developer Download page.
Peculiarly, our iPhone 6s Plus has yet to receive the Over The Air (OTA) update.
iOs 11 is available for the following devices including the yet to be released iPhone 8 and iPhone X:
- iPhone 7
- iPhone 7 Plus
- iPhone 6s
- iPhone 6s Plus
- iPhone 6
- iPhone 6 Plus
- iPhone SE
- iPhone 5s
- iPad Pro (10.5-inch)
- iPad Pro (9.7‑inch)
- iPad Pro (12.9-inch) (2nd generation)
- iPad Pro (12.9‑inch)
- iPad (9.7-inch)
- iPad Air 2
- iPad Air
- iPad mini 4
- iPad mini 3
- iPad mini 2
- iPod touch (6th generation)