iOS 11.3

iOS

Version

11.3

Build ID

15E5189f

File Size

296.93 MB

Release Date

2018-02-20T18:06:25Z

Update Type

Beta

Delta update - requires 11.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for iPhone 5s (Global) →

About This Update

iOS 11.3 (build 15E5189f) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2018-02-20T18:06:25Z. The update package is 296.93 MB. This is a delta (partial) update that requires 11.3 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 03885b8a683a63a4b977f8fe0333807f9a71d4a9.zip.

Direct URL

http://appldnld.apple.com/ios11.3seed/091-70438-20180220-344CE0D8-13F0-11E8-A36B-69D7EA7ECCFA/com_apple_MobileAsset_SoftwareUpdate/03885b8a683a63a4b977f8fe0333807f9a71d4a9.zip