iOS 8.1.1 (build 12B435) is an official Apple over-the-air update for the iPhone 5 (GSM), released on 2014-11-17T18:06:06Z. The update package is 79.06 MB. This is a delta (partial) update that requires 8.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 37931b7b81d5521c94983ad91382a9db54670580.zip.