iOS 9.9.13.5 (build 17F75) is an official Apple over-the-air update for the iPhone 6s+, released on 2020-05-18T17:18:59Z. The update package is 2.92 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: bfdedb72ac9c9e827c60129ad6c3c7253703de36.zip.