If live view on the Tapo D210 keeps spinning, says “Try Again” or “Tap to refresh”, these are the checks from Tapo’s live view guide. The same doorbell is also sold as the Tapo TD21, so these steps work for both.

What This Problem Means

The doorbell is connected, but the video stream is not reaching your phone smoothly.

Common Symptoms

• Live view keeps loading
• “Try Again” or “Tap to refresh”
• Sound lags behind the picture

Safe Checks You Can Try

1. Wake it up

Battery doorbells sleep between events. Opening live view wakes them, which can take a few seconds. Check the battery is not flat.

2. Update the app and firmware

Install the latest Tapo app, then update the doorbell’s firmware from its Device Settings.

3. Check the Wi-Fi signal

In the Tapo app, open Device Settings > Device Info: the Wi-Fi icon shows the signal strength. Tapo’s network guide says above -50 dBm is strong, -50 to -70 dBm is good, and below -70 dBm is poor. If it is poor, move the router or doorbell closer, or add a Wi-Fi extender or mesh system.

4. Move it away from interference

Tapo says microwaves, Bluetooth devices, USB 3.0 devices, baby monitors and Zigbee devices near the doorbell can interfere with it.

5. Lower the video quality

Tapo says a lower stream quality loads faster on a weak connection. Change it on the Live Streaming page or under Device Settings > Video & Display.

6. Test on mobile data and another phone

Try the app on mobile data or a different Wi-Fi network, then on another phone.

7. Turn off your VPN

Tapo says a VPN or filter app on your phone (such as AdGuard, DuckDuckGo or NordVPN) can block the app. Turn it off and try again, and use one viewer at a time.

8. Check your phone and doorbell are on the same network

If live view works away from home but not on your Wi-Fi (or the other way round), Tapo says to check your phone is not on a guest network while the doorbell is on the main one, and to turn off client (AP) isolation on the router.

9. Restart

Close and reopen the Tapo app, or reboot the doorbell.

When To Contact Support

If none of these checks fix it, contact Tapo support through TP-Link’s UK support site. Have the model and hardware version ready: Tapo says both are on the label on the doorbell.

Last resort: factory reset. Check the installation guide for where the Reset button is on the Tapo D210; Tapo’s reset guide covers its cameras. You will then need to set it up again in the Tapo app. Removing it in the app (long-press its card, or Camera Settings > Remove) also resets it; Tapo says a Tapo Care plan stays on your account.