share phone internet connected to pc with wifi and connected devices

check detail of ip with ifconfig

iptables -t nat -A POSTROUTING -o phone-conn -j MASQUERADE
iptables -A FORWARD -i phone-conn -o eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -A FORWARD -i eth0 -o phone-conn -j ACCEPT

also do not forget to set dns

https://www.cyberciti.biz/faq/howto-linux-bsd-unix-set-dns-nameserver/

I got this idea when I was reading this page

https://mylinuxcode.com/share-iphones-internet-local-network-lan-using-raspberry-pi/