watchOS 5.3

watchOS

Version

5.3

Build ID

16U6569

File Size

119.24 MB

Release Date

2019-07-22T17:25:01Z

Update Type

Normal release

Delta update - requires 5.2.1 installed first.

Download OTA

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

About This Update

watchOS 5.3 (build 16U6569) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2019-07-22T17:25:01Z. The update package is 119.24 MB. This is a delta (partial) update that requires 5.2.1 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 8a4db43fbbf398f47d150be94e21829ec2e947cc.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-58546/B61CAC98-A75F-11E9-A6CE-B9AAD83B2F12/com_apple_MobileAsset_SoftwareUpdate/8a4db43fbbf398f47d150be94e21829ec2e947cc.zip