iOS 9.3.4 (build 13G35) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2016-08-04T17:08:19Z. The update package is 89.95 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: 1d291df01df45dea6c9662a05bd06cec068a7246.zip.