iOS 9.9.10.3.2 (build 14F89) is an official Apple over-the-air update for the iPhone 6, released on 2017-05-15T17:02:46Z. The update package is 1.31 GB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d726f433a676db9a60838b3007c9fb7509987263.zip.