How to Update OnePlus Watch 3 Software
Keep your OnePlus Watch 3 running smoothly with regular software updates for new features, bug fixes, and security patches.
Check for Updates (On Watch)
- Ensure battery above 50%
- Connect to WiFi or strong LTE
SettingsSystemSystem updatesCheck for updates- If available, tap Download and install
Via OnePlus Health App
- Open
OnePlus Healthon phone - Tap
DeviceOnePlus Watch 3 - Look for Device update notification
- Tap Update to begin
Update Types
| Type | Frequency | Size |
|---|---|---|
| WearOS Updates | 1-2/year | 300MB-1GB |
| System Updates | Every 2-3 months | 100-300MB |
| Security Patches | Monthly | 50-150MB |
Installation Process
- Download: 5-15 minutes on WiFi
- Install: Choose "Install now" or "Install overnight"
- Reboot: 2-3 minutes (longer than normal boot)
- Done: Watch vibrates when ready
Enable Automatic Updates
Settings System System updates Auto updates On
Troubleshooting
Update won't download:
- Charge above 50%
- Connect to WiFi
- Try again in a few hours
Update fails:
- Wait 30 minutes if frozen
- Force restart: Hold crown + lower button 15 seconds
- Factory reset as last resort
Post-Update Battery Drain
Higher battery drain for 24-48 hours after update is normal (system reindexing). If it persists beyond 2 days, restart the watch.
See Also: How to Reset OnePlus Watch 3|What OS Does OnePlus Watch 3 Run|Battery Drain Issues