@Aszz Hello, You could forget the Wi-Fi network on cell phone and see if you could reconnect to WiFi. Go to Settings-> WiFi on your phone, Tap (or Long press the router's WiFi name ->Forget / Delete...

@oculist233 Hello, May I know the model and hardware version of your tp-link device?

@Flying_Roger Hello, Thank you for your detailed information, may I have a photo showing ' the app keeps trying to get an image -' or ' they are shown as disconnected' At the same time, you could try...

@cesarizu Hello, When the network name become Unknown, does TL-WPA4220 still work fine at that time? May I know did you use tpPLC Utlity to set up Network name for TL-WPA4220 V5, but the name change...

@davidg202 Hello, May I know was there any thunder / light weather or power outage or firmware upgrade failure caused this issue? You could try a different wall socket, if still the same issue,sorry...

@dresoccer4 I'm afaid there is a way to connect plug to a new SSID directly. If you have a new SSID on router, we will need to go through the set up process again to connect it to a new Wi-Fi. Reset...