iOS 11.2.1

iOS

Version

11.2.1

Build ID

15C153

File Size

393.52 MB

Release Date

2017-12-13T18:11:02Z

Update Type

Normal release

Delta update - requires 11.1.2 installed first.

Download OTA

Looking for beta firmware? View beta builds for iPhone 8 (GSM) →

About This Update

iOS 11.2.1 (build 15C153) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2017-12-13T18:11:02Z. The update package is 393.52 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 119f3b68c4e6510026ae415c586be44dc9f81ec4.zip.

Direct URL

http://appldnld.apple.com/ios11.2.1/091-54886-20171213-468CEEDC-DE17-11E7-8BB7-EB0CF6A180E7/com_apple_MobileAsset_SoftwareUpdate/119f3b68c4e6510026ae415c586be44dc9f81ec4.zip