The latency on my Xbox One is permanently 191ms or higher, so it is impossible to play online, on my PC I have a good connection but on my Xbox One it is completely different. Why is this and how can I fix it (LAN cable is not an option, otherwise I would have to pull this through the whole apartment
What about signal strength, packet loss, down and upload rate?
Signal strength is around 77%, packet loss is 0 and download 15.49Mbit / s, upload 9.10Mbit / s
Which provider, which router and what router settings?
The only thing I know right now is that it is FritzBox
You have to open the ports for the xbox at the fritzbox
How exactly does it work?
See here: https://avm.de/...einsetzen/
I have a FritzBox 7490, is that still possible?
Yes of course