iOS 9.3.5 (build 13G36) is an official Apple over-the-air update for the iPhone 6s, released on 2016-08-25T16:53:35Z. The update package is 382.75 MB. This is a delta (partial) update that requires 9.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a07175c32a6889467493c2ce54d39a89f39686b9.zip.