iOS 9.9.11.3.1 (build 15E6302) is an official Apple over-the-air update for the iPhone 6, released on 2018-04-24T17:04:17Z. The update package is 1.84 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: 27842086b9b223de245a8fb16fc5a63c5d5a0d19.zip.