Bulb color 2 - can’t connect to the modem but connects to mobile hotspot

I have 2 bulb color v2, the first one I was able to set it up to using the WiFi easily however the second one I can’t set it up It says connection time out every time I try to set it up to the same WiFi
I tried to set it up to the mobile phone hotspot and it Worked
Any solution?

Same problem for me
I also search for solution at this forum

What’s the router model?


How many clients have you connected to that router?

And, is there some kind of extender or bridge in your network?

Please try changing your router’s DNS to and connect again.