iOS 10.3.2 (build 14F89) is an official Apple over-the-air update for the iPhone 6, released on 2017-05-15T17:02:47Z. The update package is 587.54 MB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: eda292062a24e2e47dcf95e8102b60bc5402660a.zip.