iOS 11.3.1

iOS

Version

11.3.1

Build ID

15E302

File Size

717.83 MB

Release Date

2018-04-24T17:10:05Z

Update Type

Normal release

Delta update - requires 11.1.2 installed first.

Download OTA

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About This Update

iOS 11.3.1 (build 15E302) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2018-04-24T17:10:05Z. The update package is 717.83 MB. This is a delta (partial) update that requires 11.1.2 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 da6b0d5130b45d65da6edc02ca370a2c5bdc47cd.zip.

Direct URL

http://updates-http.cdn-apple.com/2018/ios/091-78468-20180419-55F63762-4103-11E8-B5AB-9C1CC4535ADC/com_apple_MobileAsset_SoftwareUpdate/da6b0d5130b45d65da6edc02ca370a2c5bdc47cd.zip