iOS 9.3.2 (build 13F61) is an official Apple over-the-air update for the iPhone 4s, released on 2016-04-20T16:54:41Z. The update package is 1.11 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 13034db9c9367962d4062aa2b11dd9f5299178f0.zip.