iOS 13.3.1

iOS

Version

13.3.1

Build ID

17D5050a

File Size

194.99 MB

Release Date

2020-01-22T18:07:22Z

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 17D5050a) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2020-01-22T18:07:22Z. The update package is 194.99 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 bed302b76924ccb74895f0896248faa299d99433.zip.

Direct URL

http://updates-http.cdn-apple.com/2020WinterSeed/patches/061-69879/F9534ABF-4901-450F-9651-640C2B9729D8/com_apple_MobileAsset_SoftwareUpdate/bed302b76924ccb74895f0896248faa299d99433.zip