iOS 9.9.11.2.5 (build 15D6060) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2018-01-19T18:07:47Z. The update package is 1.73 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1644664d13ba2adb515e982abbcd272d4cc96588.zip.