getIPSW
iPhone 6s iPhone 6s iPhone8,1
OTA Update Unsigned 16B92

iOS 12.1

OS
iOS
Version
12.1
Build ID
16B92
File Size
1.28 GB
Release Date
2018-10-30T17:17:02Z
Update Type
Normal release
Delta update - requires 11.4 installed first.

About This Update

iOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPhone 6s, released on 2018-10-30T17:17:02Z. The update package is 1.28 GB. This is a delta (partial) update that requires 11.4 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 cb164a1d2baf411da3515ea2dc31725dfaa8e437.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/091-91526/7EC53624-D4CA-11E8-8D3F-45D855D8F596/com_apple_MobileAsset_SoftwareUpdate/cb164a1d2baf411da3515ea2dc31725dfaa8e437.zip

Filename

cb164a1d2baf411da3515ea2dc31725dfaa8e437.zip

Other Devices

© 2026 getIPSW. Firmware data provided by ipswdl.com API. Not affiliated with Apple Inc. Privacy Policy: getipsw.org/privacy · Contact: dademsteve@gmail.com