iOS 13.3.1

iOS

Version

13.3.1

Build ID

17D5050a

File Size

169.4 MB

Release Date

2020-01-22T18:07:34Z

Update Type

Beta

Delta update - requires 13.3.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for iPhone 7 (GSM) →

About This Update

iOS 13.3.1 (build 17D5050a) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2020-01-22T18:07:34Z. The update package is 169.4 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 0a19815019d6882b02b8eb64ce6a1d1e70574f38.zip.

Direct URL

http://updates-http.cdn-apple.com/2020WinterSeed/patches/061-69806/40BD4F8B-AB98-4F5C-A350-72B4A8C31CC3/com_apple_MobileAsset_SoftwareUpdate/0a19815019d6882b02b8eb64ce6a1d1e70574f38.zip