iOS 9.9.17.4

iOS

Version

9.9.17.4

Build ID

21E219

File Size

5.61 GB

Release Date

2024-03-05T18:18:22Z

Update Type

Normal release

Delta update - requires 12.1.4 installed first.

Download OTA

Looking for beta firmware? View beta builds for iPhone XS Max →

Want full hardware specs? View iPhone XS Max specs →

About This Update

iOS 9.9.17.4 (build 21E219) is an official Apple over-the-air update for the iPhone XS Max, released on 2024-03-05T18:18:22Z. The update package is 5.61 GB. This is a delta (partial) update that requires 12.1.4 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 345895ac287e84cd716173aaec41be3499fd41e8.zip.

Direct URL

https://updates.cdn-apple.com/2024WinterFCS/patches/052-61734/386326B6-206B-4F88-AD7A-BFB212FED4AB/com_apple_MobileAsset_SoftwareUpdate/345895ac287e84cd716173aaec41be3499fd41e8.zip