iOS 11.2.1

iOS

Version

11.2.1

Build ID

15C153

File Size

1.19 GB

Release Date

2017-12-13T18:14:52Z

Update Type

Normal release

Delta update - requires 10.0 installed first.

Download OTA

Looking for beta firmware? View beta builds for iPhone 7 (GSM) →

About This Update

iOS 11.2.1 (build 15C153) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2017-12-13T18:14:52Z. The update package is 1.19 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 ed40cb997c28f60b5c23fb9e0c60efaaa66e8539.zip.

Direct URL

http://appldnld.apple.com/ios11.2.1/091-55060-20171213-07A70B22-DE25-11E7-8DF9-3931F6A180E7/com_apple_MobileAsset_SoftwareUpdate/ed40cb997c28f60b5c23fb9e0c60efaaa66e8539.zip