Apple watchOS 3 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Apple watchOS 3 reached end of life on 19 Sept 2017. It no longer receives security fixes.
3,303 days without security patches
Recommended action: upgrade to Apple watchOS 27. Support timeline
Official dates from the Apple watchOS release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 13 Sept 2016 | 10y 1mo ago |
| Security Support ended | 19 Sept 2017 | 9y 1mo ago |
| Latest release | 3.2.3 · 19 Jul 2017 | final |
Where to go from 3
Recommended target: Apple watchOS 27.
The newest actively supported branch is Apple watchOS 27 (latest release 27.0.1).
Frequently asked questions
Is Apple watchOS 3 still safe to use?
Apple watchOS 3 reached end of life on 19 Sept 2017, 3,303 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Apple watchOS 3?
Yes — the final release (3.2.3) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Apple watchOS 3 to?
Upgrade to Apple watchOS 27, the newest actively supported branch.