Yeelight Led strip plus first time setup

I bought Yeelight strip plus yesterday in Mexico . I couldn’t complete setup with my router . I am connecting with 2.4 GHz AP . It says failed to send message . I tried with both Mi home and Yeelight app.Please help.

turn off wpa3
Don’t use any special characters in SSID
Don’t use any special characters in password
Make sure 5ghz and 2.4ghz Wifi SSIDs have different names
it that fails, set your DNS to 8.8.8.8