watchOS 5.3.10

watchOS

Version

5.3.10

Build ID

16U711

File Size

67.82 MB

Release Date

2026-03-24T18:33:05Z

Update Type

Normal release

Delta update - requires 5.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 2 (38mm) →

About This Update

watchOS 5.3.10 (build 16U711) is an official Apple over-the-air update for the Apple Watch Series 2 (38mm), released on 2026-03-24T18:33:05Z. The update package is 67.82 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 currently signed by Apple, so it can be applied directly from Settings › General › Software Update.

The OTA payload file is 96972432e49e252375a15a2085e0f4a89be42c51.zip.

Direct URL

https://updates.cdn-apple.com/2025FallFCS/patches/047-72992/0AD1FEBA-099E-46B4-81B4-0A0537D17970/com_apple_MobileAsset_SoftwareUpdate/96972432e49e252375a15a2085e0f4a89be42c51.zip