This Article Applies To

Tapo Smart Bulbs/Light Strips

Description

When the smart bulb/light strip's device time is incorrect or there is an error in time synchronization, the time-related features such as schedule, timer, and away mode may display the following issues:

• The schedule does not take effect or delay.
• The schedule, timer, and away mode settings cannot be created or edited. Error messages such as "operation failed" and "network unstable" may occur.

Troubleshooting Tips

1. Ensure you are using the latest App and the Smart device has the latest firmware.
2. Re-synchronize device time.
   • Factory reset the smart device and re-add it to Tapo App.  How to reset the Tapo smart bulb  
   • Check whether the location and time zone of your mobile phone/tablet is correct. 
3. Change router DNS to 8.8.8.8 and 8.8.4.4. 
4. Restart your router.

What Should I Do If the Problem Remains?

Start a new thread with a detailed description of your case, which can contain the following information:

• Model, hardware, and firmware version of the smart device.
• Problem description, including the error message if any.
• Troubleshooting tips you have tried.
• Time zone of the smart device and whether it is consistent with your local time. (App ->Device's Settings ->Device Info) 
• System time of your mobile phone with Tapo App installed.