iOS 18.7.8 (build 22H352) is an official Apple over-the-air update for the iPhone 12, released on 2026-04-22T17:23:55Z. The update package is 6 GB. This is a delta (partial) update that requires 14.8 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2978dc98b4548f50b609ad135b83027ad97da62b.zip.