iOS 9.3.5 (build 13G36) is an official Apple over-the-air update for the iPhone 6s+, released on 2016-08-25T16:53:36Z. The update package is 40.5 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: 107c499121d4b366edd9cc8c37005cdeb6d340e4.zip.