watchOS 5.3

watchOS

Version

5.3

Build ID

16U5569a

File Size

25.61 MB

Release Date

2019-07-16T17:14:17Z

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 (38mm) →

About This Update

watchOS 5.3 (build 16U5569a) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2019-07-16T17:14:17Z. The update package is 25.61 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 74231bdf2da319d4b3063499df0f49a0d6970e1a.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerSeed/patches/041-85607/BE714718-A4B8-11E9-BE38-817D4F8BE28D/com_apple_MobileAsset_SoftwareUpdate/74231bdf2da319d4b3063499df0f49a0d6970e1a.zip