iOS 10.3.2 (build 14F89) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2017-05-15T17:02:41Z. The update package is 577.86 MB. This is a delta (partial) update that requires 10.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0f78db02ca2574ebb5129e86f8a7e48441ce97d9.zip.