watchOS 5.3.10

watchOS

Version

5.3.10

Build ID

16U711

File Size

1.34 GB

Release Date

2026-03-24T18:34:54Z

Update Type

Normal release

Download OTA

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About This Update

watchOS 5.3.10 (build 16U711) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2026-03-24T18:34:54Z. The update package is 1.34 GB. This is a full OTA update that can be applied from any compatible base version. This update is currently signed by Apple, so it can be applied directly from Settings › General › Software Update.

The OTA payload file is 6612ae77f3c6a9b27e52d8e61280106625e088ef.zip.

Direct URL

https://updates.cdn-apple.com/2025FallFCS/patches/047-72940/C2CCFDED-7B75-4762-917B-707AD654991A/com_apple_MobileAsset_SoftwareUpdate/6612ae77f3c6a9b27e52d8e61280106625e088ef.zip