iOS 13.3.1

iOS

Version

13.3.1

Build ID

17D5044a

File Size

242.8 MB

Release Date

2020-01-14T18:21:00Z

Update Type

Beta

Delta update - requires 13.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for iPhone X (Global) →

About This Update

iOS 13.3.1 (build 17D5044a) is an official Apple over-the-air update for the iPhone X (Global), released on 2020-01-14T18:21:00Z. The update package is 242.8 MB. This is a delta (partial) update that requires 13.3 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 500dec987922a53093ce91e625a4d89187b78781.zip.

Direct URL

http://updates-http.cdn-apple.com/2019FallSeed/patches/061-65247/0D3C93C0-1F7E-4AB4-82EF-AD72A03D5297/com_apple_MobileAsset_SoftwareUpdate/500dec987922a53093ce91e625a4d89187b78781.zip