watchOS 5.3.5

watchOS

Version

5.3.5

Build ID

16U652

File Size

50.98 MB

Release Date

2020-02-18T18:06:59Z

Update Type

Normal release

Delta update - requires 5.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (42mm) →

About This Update

watchOS 5.3.5 (build 16U652) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2020-02-18T18:06:59Z. The update package is 50.98 MB. This is a delta (partial) update that requires 5.3 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 8112d4fc154c954ad3898bd8cb89d99965fdbc1b.zip.

Direct URL

http://updates-http.cdn-apple.com/2020WinterFCS/patches/061-77195/A2DDE90B-5D9E-47EB-9F0A-B4DEE48DF469/com_apple_MobileAsset_SoftwareUpdate/8112d4fc154c954ad3898bd8cb89d99965fdbc1b.zip