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

Yeelight LED Bulb (Color)
#1

Hello,
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?

#2

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

#3

What’s the router model?

#4

TP-LINK TL-WR886N

#5

How many clients have you connected to that router?

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

#6

Please try changing your router’s DNS to 8.8.8.8 and connect again.