iOS 18.7.8 (build 22H352) is an official Apple over-the-air update for the iPhone 12 Pro Max, released on 2026-04-22T17:24:04Z. The update package is 5.98 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: fec089b876056c33bae34d902c5566d645e4e521.zip.