iOS 11.3

iOS

Version

11.3

Build ID

15E5201e

File Size

292.6 MB

Release Date

2018-03-05T18:14:00Z

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 15E5201e) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2018-03-05T18:14:00Z. The update package is 292.6 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 605f8f85bad5a3e5f674d91911fb13819bfeff29.zip.

Direct URL

http://appldnld.apple.com/ios11.3seed/091-70743-20180305-AB96DD32-1D8D-11E8-8ECD-C1D60A1287BB/com_apple_MobileAsset_SoftwareUpdate/605f8f85bad5a3e5f674d91911fb13819bfeff29.zip