iOS 13.3.1

iOS

Version

13.3.1

Build ID

17D5044a

File Size

243.25 MB

Release Date

2020-01-14T18:21:08Z

Update Type

Beta

Delta update - requires 13.3.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for iPhone 11 →

Want full hardware specs? View iPhone 11 specs →

About This Update

iOS 13.3.1 (build 17D5044a) is an official Apple over-the-air update for the iPhone 11, released on 2020-01-14T18:21:08Z. The update package is 243.25 MB. This is a delta (partial) update that requires 13.3.1 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 5869220031be056d12656216c292990d7f4d6166.zip.

Direct URL

http://updates-http.cdn-apple.com/2019FallSeed/patches/061-68241/7BEC82A6-1F53-432D-8B93-A929E31747BD/com_apple_MobileAsset_SoftwareUpdate/5869220031be056d12656216c292990d7f4d6166.zip