iOS 13.3.1

iOS

Version

13.3.1

Build ID

17D5044a

File Size

180.42 MB

Release Date

2020-01-14T18:21:01Z

Update Type

Beta

Delta update - requires 13.3.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for iPhone 8 (GSM) →

About This Update

iOS 13.3.1 (build 17D5044a) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2020-01-14T18:21:01Z. The update package is 180.42 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 a02665824a5b98a75189d09e2a0abd455c9401f1.zip.

Direct URL

http://updates-http.cdn-apple.com/2019FallSeed/patches/061-68190/9E2520A9-5616-4458-9709-2F8B273C23E8/com_apple_MobileAsset_SoftwareUpdate/a02665824a5b98a75189d09e2a0abd455c9401f1.zip