Cal. No. W510
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Dedicated app
The dedicated app does not work stably.
When the dedicated app “CITIZEN Eco-Drive W510 (former name: CITIZEN Eco-Drive Riiiver)” seems to work unstably after successful pairing and connection such as some functions are not available, below may be possible causes. Try the following remedies in sequence.
| Cause | Remedies |
|---|---|
| The dedicated app is not up to date. | Update the dedicated app. |
| The firmware of the watch is not up to date. | Execute firmware update on the [My watch] screen of the dedicated app. |
!
Ask their manufacturers or developers for further information on operation of smartphones and their OS and installation of apps.
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The menu item becomes gray and you cannot execute firmware update when the firmware of the watch is up to date.