watchOS 5.3

watchOS

Version

5.3

Build ID

16U5569a

File Size

154.56 MB

Release Date

2019-07-16T17:15:04Z

Update Type

Normal release

Delta update - requires 5.2 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 4 (44mm, LTE) →

About This Update

watchOS 5.3 (build 16U5569a) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm, LTE), released on 2019-07-16T17:15:04Z. The update package is 154.56 MB. This is a delta (partial) update that requires 5.2 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 35423958d73a9eb67c0eac6aa00127e6a92275ec.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerSeed/patches/041-84411/1893881E-A4B9-11E9-8F69-88924F8BE28D/com_apple_MobileAsset_SoftwareUpdate/35423958d73a9eb67c0eac6aa00127e6a92275ec.zip