mobile multiplayer

So me and my boyfriend started our farm and we were able to join on hotspot since we like playing on the go however recently after the update we haven't been able to join..... however we're only able to join if we're using our home wifi. I have to put that we were able to join using the same...

Is there a way to cancel the co-op option for ipad? It bugs me on the screen😭😭 If not, is there a way for me to play with a friend on a different time zone without purchasing a new game on my laptop (which I'm not sure can handle the game)? Never co-opped before in Stardew so I'm new to this

I have no PC. I did port forwarding at 192.168.1.1, but when I check from Web control sites, the port appears as closed. Can you explain step by step how to play with someone on a different network at another house? Thank you.