getIPSW
iPhone 6s iPhone 6s iPhone8,1
OTA Update Unsigned 16C101

iOS 12.1.2

OS
iOS
Version
12.1.2
Build ID
16C101
File Size
300.85 MB
Release Date
2018-12-17T21:07:01Z
Update Type
Normal release
Delta update - requires 12.1 installed first.

About This Update

iOS 12.1.2 (build 16C101) is an official Apple over-the-air update for the iPhone 6s, released on 2018-12-17T21:07:01Z. The update package is 300.85 MB. This is a delta (partial) update that requires 12.1 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 f5adf2088edd1d5cc8a6c46fdf0299b9cd273118.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-27371/FF600B9E-FF2A-11E8-BAC8-90C203357621/com_apple_MobileAsset_SoftwareUpdate/f5adf2088edd1d5cc8a6c46fdf0299b9cd273118.zip

Filename

f5adf2088edd1d5cc8a6c46fdf0299b9cd273118.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