iOS 9.3.2 (build 13F69) is an official Apple over-the-air update for the iPhone 4s, released on 2016-05-16T16:49:14Z. The update package is 856.95 MB. This is a delta (partial) update that requires 8.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 297e41f4baf37348e4693842dd1c190285cb99f9.zip.