Cannot access camera feed over 5G network on phone, only Wi-Fi

i was told by Wyze not to change to ipv6 and keep it at ipv4, is 6 better ?

This is what is stated above:
WYZE app supports only IPv4

ipv6 is a new address protocol and many devices/manufacturers don’t support it. Here is a good explanation of what they stand for:
Demystifying IPv4 and IPv6: Understanding the Differences!.