Help! O4 Lite Won't Bind with N3 Goggles

I am 11 I fly fpv. I previously made a volador 3.5 inch with speedybee f405 and o4 lite. My o4 lite wont go into bind mode. It is fully updated and I have My N3 goggles set to O4 lite. They won't bind but they do connect to DJI assistant. Please help me I really want to get flying sone.