getIPSW
iPhone 6s iPhone 6s iPhone8,1
OTA Update Unsigned Beta 16D5037a

iOS 12.1.3

OS
iOS
Version
12.1.3
Build ID
16D5037a
File Size
227.97 MB
Release Date
2019-01-07T18:07:18Z
Update Type
Beta
Delta update - requires 12.1.1 installed first.

About This Update

iOS 12.1.3 (build 16D5037a) is an official Apple over-the-air update for the iPhone 6s, released on 2019-01-07T18:07:18Z. The update package is 227.97 MB. This is a delta (partial) update that requires 12.1.1 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 da976e9c03436270822ce008033ab7c199b2fdc1.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-29677/3EA44B2A-1057-11E9-BE49-35E04828E32D/com_apple_MobileAsset_SoftwareUpdate/da976e9c03436270822ce008033ab7c199b2fdc1.zip

Filename

da976e9c03436270822ce008033ab7c199b2fdc1.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