iOS 9.3.2 (build 13F51a) is an official Apple over-the-air update for the iPhone 4s, released on 2016-04-06T16:47:25Z. 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: 9733bbf28f80913170a4e74d6cb869895713c724.zip.