iOS 9.3.3 (build 13G33) is an official Apple over-the-air update for the iPhone 4s, released on 2016-06-29T16:53:52Z. The update package is 29.45 MB. This is a delta (partial) update that requires 9.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b33cbb5e54820d6d02504bea2c12bf7da0b6c201.zip.