watchOS 5.3.5

watchOS

Version

5.3.5

Build ID

16U652

File Size

36.55 MB

Release Date

2020-02-18T18:06:58Z

Update Type

Normal release

Delta update - requires 5.3.4 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (38mm) →

About This Update

watchOS 5.3.5 (build 16U652) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2020-02-18T18:06:58Z. The update package is 36.55 MB. This is a delta (partial) update that requires 5.3.4 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 5da39a45778c1aee58d0c1fe77041822308d145e.zip.

Direct URL

http://updates-http.cdn-apple.com/2020WinterFCS/patches/061-77401/EA7C5B3E-EF3E-47A4-B15F-4DE0918DD7AD/com_apple_MobileAsset_SoftwareUpdate/5da39a45778c1aee58d0c1fe77041822308d145e.zip