iOS 9.3.4 (build 13G35) is an official Apple over-the-air update for the iPhone 6s+, released on 2016-08-04T17:08:30Z. The update package is 314.51 MB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4a34f416c241aa5bdc6f970f1fc3575573cd8b27.zip.