@Zed What is the model number of your smart bulb？ Any error message pops up after they lost connection on the kasa app? Please show us the screenshots of the device settings page where you can get...

@MrCaringi Is there any error message after it failed to update? Please ensure that the kasa app version is up to date, and connect your smart phone to the home wifi to give it a go. Still the same,...

@Afergy63 Thanks for your update. Glad to hear that it works well now. If need more help, please let us know. Best regards.

@Dysfunctional You can try to search the driver for TL-WN722N V1 online with the chipset, which is Atheros AR9271. May it help.

@immo Sorry to tell you that we cannot fix KC200 to connect to the 5GHz when the 2.4GHz and 5GHz use the same network name and password. Good day.

@Natroxz Thanks for your reply, glad to hear that you figured it out. Now you can enjoy the camera. If need more help, please let us know. Best regards.