@Lobster Hello, please ensure that the LB100 has connected to the main router's wifi, so does your cellphone. Then try to reboot the LB100 and the main router to give it a go. Besides, you can hard...

@LEOYU Hello, try to change another wall socket to plug them; then try to hold the settings button for 10s to reset it and verify whether it will work. And you can reboot the HS110 and the main...

@stuartjhamilton Thanks for your valued reply. Glad to hear that you figured it out finally. Best regards.

@TOB22 Hello Trevor, sorry to respond late. Try to hard reset the HS100 and reconfigure; this time, you can change another smart phone to setup the smart plug. If still the same, please tell me the...

@Vlad2020 Hello, you can read the article below to get more details about the energy monitoring. https://www.tp-link.com/support/faq/2410/ And the energy usage cannot be exported. It can be viewed on...

@bmiranda Hello, try to change the wireless settings of the main router, like wireless channel, or wifi name. Note: You need reconfigure the other 3 plugs if you changed the wifi name or password....