iOS 9.9.12.1.3 (build 16D5032a) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2018-12-19T18:07:00Z. The update package is 2.11 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: 802a6babc39b3c553b35519b31c2ac4589cf9af6.zip.