If you’ve gone through the other troubleshooting steps for your Apple Watch and are still having syncing issues, the steps below could help. If you try these and still have issues, please contact support.

Check the status of iCloud Calendar

  1. Go to https://www.apple.com/support/systemstatus/

  2. Check that there aren’t any recent issues with iCloud Calendar

  3. If you see an issue but it says it has been resolved, the fix may still be in the process of being released (it may take up to an hour to fully resolve)

Turn iCloud Calendar OFF and Back ON

  1. Open the Settings app on your iOS device

  2. Tap your name at the top

  3. Tap iCloud

  4. Turn Calendars

  5. If asked, tap Delete from My iPhone

  6. Wait 5 minutes

  7. Turn Calendars back ON

Restart Devices

  1. Press and hold your watch’s side button, and slide Power Off to shut it down

  2. Press and hold the top right button on the side of your iOS device, and slide to shut it down

  3. Press and hold the button on your iOS device again to turn it back on

  4. Once your device is on, press and hold the side button on your watch to turn it back on

Make the Calendar Named ‘Sugarmate Readings’ your Only Calendar

  1. Open the Calendar app on your iOS device

  2. Tap Calendar at the bottom

  3. Uncheck all of your calendars

  4. Wait 5 minutes

  5. Re-check the calendar named ‘Sugarmate Readings’ in the ICLOUD section

  6. Wait 5-10 minutes

Turn off all Other Calendars

  1. Open the Settings app on your iOS device

  2. Tap Calendar, then tap Accounts (iOS 14). For <= iOS 13, tap Passwords & Accounts instead

  3. In the ACCOUNTS section, tap each account and turn off: (a) Calendars (b) Reminders (c) Notes

  4. Tap iCloud and turn Calendars back on

  5. Wait 5-10 minutes

  6. If it starts working again, consider turning the above settings back on (one at a time)

Sign out of iCloud and Sign Back in

  1. Open the Settings app on your iOS device

  2. Tap your name at the top

  3. Scroll to the bottom and tap Sign Out

  4. Enter your password if necessary

  5. Restart your phone

  6. Go back to the Settings app, tap your name at the top, and sign back in to iCloud

Reset your Watch’s Sync Data

  1. Open the Watch app on your iOS device

  2. Tap General

  3. Tap Reset

  4. Tap Reset Sync Data multiple times (there’s no feedback)

  5. Wait 5-10 minutes

Verify Watch Background App Refresh settings

  1. Open the Watch app on your iOS device

  2. Tap General

  3. Tap Background App Refresh

  4. Make sure it is turned ON at the top

  5. Make sure it is turned ON for the Calendar entry below

Verify Low Power Mode is OFF

  1. Open the Settings app on your iOS device

  2. Tap Battery

  3. Make sure Low Power Mode is turned OFF

Check your iCloud Time Zone

In a web browser on your computer:

  1. Sign in to https://www.icloud.com

  2. Click your name in the top right

  3. Click iCloud Settings

  4. Make sure your time zone is set correctly in the top header (where it says Time Zone / Region)

Turn on iCloud Drive

  1. Open the Settings app on your iOS device

  2. Tap your name at the top

  3. Tap iCloud

  4. Make sure iCloud Drive is turned ON. If not, turn it on

Set Time & Date Automatically

  1. Open the Settings app on your iOS device

  2. Tap your name at the top

  3. Tap General

  4. Tap Date & Time

  5. Make sure Set Automatically is turned ON. If not, turn it on

  6. Make sure your time zone is set correctly

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