@sakamotoyuki different versions of Tapo app have different requirements for phone's OS versions, maybe your device's OS is too old and can't work well with the new app. Trying the old app version...

@astph just go to the app store on your Macbook to download the tapo app and then log into it with your tplink account...

@GGYS if you want to receive a ring call when someone presses the doorbell, ensure the Doorbell Video Call > Ring Call is selected on the doorbell's device settings > Doorbell page.

@None77 Change the Alexa account region may help: h tt ps:// ww w. amaz onfo rum . co m/s/ question/0D 56Q00009YtWs9S AF/how-do -i-chan ge-my-al exa- account-region (pay attention to delete the space...

@Ronzino If you have a problem establishing the RTSP or onvif connection, this thread(https://community.tp-link.com/en/smart-home/forum/topic/652710) may be helpful.

@ByteMyBit you can find the firmware release notes of a specific firmware version on the TP-Link official website(https://www.tp-link.com) after searching for the model and selecting the hardware...