iOS 9.3.4 (build 13G35) is an official Apple over-the-air update for the iPhone 6, released on 2016-08-04T17:08:27Z. The update package is 90.98 MB. This is a delta (partial) update that requires 9.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: efbb2136214e955895be656ed39f2f76a9c8146d.zip.