getIPSW
Apple Watch Series 2 (42mm) Apple Watch Series 2 (42mm) Watch2,4
OTA Update Unsigned 16R5568d

watchOS 5.1

OS
watchOS
Version
5.1
Build ID
16R5568d
File Size
735.27 MB
Release Date
2018-10-02T17:14:15Z
Update Type
Normal release
Delta update - requires 4.3.2 installed first.

About This Update

watchOS 5.1 (build 16R5568d) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-10-02T17:14:15Z. The update package is 735.27 MB. This is a delta (partial) update that requires 4.3.2 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 95458d58992e98e8ccff600d2b539e78408025e1.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-08314/74473A06-C275-11E8-8168-F0DECAD9F3DB/com_apple_MobileAsset_SoftwareUpdate/95458d58992e98e8ccff600d2b539e78408025e1.zip

Filename

95458d58992e98e8ccff600d2b539e78408025e1.zip

Other Devices

© 2026 getIPSW. Firmware data provided by ipswdl.com API. Not affiliated with Apple Inc.