i want to control my krakensdr remotely,there are 4g module connected in Pi4 and i have connected port 8081 to a website address,but my andriod app can`t read any infomation form my website address.
but if i connected to krakensdr wifi,it works.
and if i connect to 192.168.50.5:8081,there are error page.
so what should i do to use my andriod app in 4G net?
is remote port are 8081?or i should read some correct doc?