iOS 9.9.12.0 (build 16A5308e) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2018-06-19T17:04:52Z. The update package is 2.05 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: c1c0e735f0d519a123375403d92b2249a58ab9ff.zip.