watchOS 5.3

watchOS

Version

5.3

Build ID

16U5558b

File Size

96.64 MB

Release Date

2019-06-24T17:25:00Z

Update Type

Normal release

Delta update - requires 5.3 installed first.

Download OTA

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About This Update

watchOS 5.3 (build 16U5558b) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2019-06-24T17:25:00Z. The update package is 96.64 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 308b0424726a494c18c16f2fa491d0b2a180971f.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SpringSeed/patches/041-73784/0D7150CE-939D-11E9-8FED-55FF2B446F1D/com_apple_MobileAsset_SoftwareUpdate/308b0424726a494c18c16f2fa491d0b2a180971f.zip