iOS 9.9.11.2.5 (build 15D5046b) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2017-12-19T18:03:09Z. The update package is 1.72 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: 712c8a1715a9ed93cc83c0c875104f999e6e914b.zip.