watchOS 5.3.5

watchOS

Version

5.3.5

Build ID

16U652

File Size

58.75 MB

Release Date

2020-02-18T18:07:07Z

Update Type

Normal release

Delta update - requires 5.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 4 (40mm) →

About This Update

watchOS 5.3.5 (build 16U652) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm), released on 2020-02-18T18:07:07Z. The update package is 58.75 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 8724cb15eebfb34bdea20a5fb986b83bf564ff7c.zip.

Direct URL

http://updates-http.cdn-apple.com/2020WinterFCS/patches/061-77441/D35275B2-642D-45A8-98E1-47CC9C23F301/com_apple_MobileAsset_SoftwareUpdate/8724cb15eebfb34bdea20a5fb986b83bf564ff7c.zip