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 198.65 MB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c0e1f6d5cc2ab669282e884271a3e11c08fccaff.zip.