iOS 11.2.1

iOS

Version

11.2.1

Build ID

15C153

File Size

1.09 GB

Release Date

2017-12-13T18:11:59Z

Update Type

Normal release

Delta update - requires 10.0 installed first.

Download OTA

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About This Update

iOS 11.2.1 (build 15C153) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2017-12-13T18:11:59Z. The update package is 1.09 GB. This is a delta (partial) update that requires 10.0 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 8dbaeeef3499eb0aaab5ae487b4ecca96d0a16af.zip.

Direct URL

http://appldnld.apple.com/ios11.2.1/091-55155-20171213-1D4F2010-DE19-11E7-92F8-3F2A96F5E937/com_apple_MobileAsset_SoftwareUpdate/8dbaeeef3499eb0aaab5ae487b4ecca96d0a16af.zip