I'm not sue if this is possible or how (looked at various videos and non the wiser). I have a Draytek 2862n
I have ADSL 5.5 Mbps on WAN1 and on WAN2 o2 4G via an Archer MR6400 which offers around 35Mbps. I live in the sticks and O2 has the best signal here via an external antenna. It is however not cheap! Is there a way, and if so how, most of the traffic goes via WAN1 but when doing a large download WAN2 is also used?