Hi BartW, As long as you remember the firmware version before you updated it, you can flash it back to the original one. The operation steps are the same like what you did to update it. Good day.

Hi Fenz, Once you add the devices allowed to access internet into whitelist and enable access control, then only these devices can get internet. Good day.

theoretically, once you add device into blacklist and then the device won't be able to access internet; besides, you can clear the browser cache on your device and give it a go. Still the same, post...

Hi, sorry to tell you that the smart bulb can be controlled by kasa app only, besides, it can work with Alexa and Google. While for Kasa app, it is available for mobile device only. Good day.

Hey, Archer C5 V4 is a specific-edited product based on ISP's request; it is suggested to contact them to get some suggestions first. Good day.

Hey, our engineer has reached out to you via email, if you are willing to do further troubleshooting with them, please notice your inbox. Good day.