iOS 18.7.8

iOS

Version

18.7.8

Build ID

22H352

File Size

5.98 GB

Release Date

2026-04-22T17:24:04Z

Update Type

Normal release

Delta update - requires 14.8 installed first.

Download OTA

Looking for beta firmware? View beta builds for iPhone 12 Pro Max →

Want full hardware specs? View iPhone 12 Pro Max specs →

About This Update

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 to already be installed on the device - it cannot be applied from scratch. This update is no longer signed by Apple, meaning it can no longer be downloaded and applied on-device through Settings.

The OTA payload file is fec089b876056c33bae34d902c5566d645e4e521.zip.

Direct URL

https://updates.cdn-apple.com/2026WinterFCS/patches/122-59170/28F1D413-833C-4B57-8E4D-FBDC7C177875/com_apple_MobileAsset_SoftwareUpdate/fec089b876056c33bae34d902c5566d645e4e521.zip