Hey, @Natextsy.
Thanks for reaching out!
Can you please try these fixes below?
To restart your smart bulb, turn off the bulb manually with the light switch and then turn it back on.
Then, restart your router by unplugging it from the power outlet for several seconds and plugging it back in.
Still need help? Let us know so we can dive right in!
Roku Community Team
Emmanuel-D.
Roku Community Moderator