iOS 9.9.13.2.3 (build 17B6111) is an official Apple over-the-air update for the iPhone 6s, released on 2019-11-18T18:07:44Z. The update package is 2.67 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: f26461325c6bd20f43bf98ce1ad1a5b5f040e049.zip.