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 447.53 MB. This is a delta (partial) update that requires 9.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 620dac995350efb58560433f0ed2e418fe128db2.zip.