@Axel_D 

Hi,
You can refer to the following instructions to troubleshoot if your camera keeps going offline.
What should I do if my Tapo smart device keeps losing connection or going offline?
 

You can also go to the camera's Device Settings > Reboot page to enable the Auto Reboot feature, then check if the camera works fine.

Best Regards

  @Axel_D 

Hi,
Please confirm the following information for further analysis.

  1. What's the model number of your router? Do you have internet and a stable connection on your phone/tablet when connecting to the router's Wi-Fi?

  2. Please press and hold the reset button on the camera for 10 seconds to perform a factory reset, then reconfigure the camera, connect it to the router's Wi-Fi directly, and check if the camera works fine.

  3. If yes, please pay attention to the RSSI value on the camera's Device Settings > Device Info page after tapping the Wi-Fi icon. If the RSSI value is less than -60 dBm, move the camera closer to the router to obtain a better Wi-Fi signal.

  4. If not, is the LED on the camera solid red? Please try turning off the router, enabling a hotspot Wi-Fi on your phone with the same SSID and password as the router, rebooting the camera, and checking if it can connect to the hotspot Wi-Fi and function properly.

Best Regards