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 856.11 MB. This is a delta (partial) update that requires 8.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5c0879d8f74058b7cd93642450270730c7b30c1d.zip.