Super bad internet from ps4?

Pa
- in PlayStation
8

I was at Media Markt today and bought a 1200 Mbps amp from the Best and the New. Well home everything is set up. I had then on each device 250 mbits only on the Sche. Ps4 not. Since I had 8 mbits download and 400kbits upload. I'm desperate. I have already put over 5000 euro in the Internet. We have a 250k line. We replaced the 1200 mbits with a 500 mbits amplifier

Pr

Connect ps4 with cable to the Internet box.

In the house you probably only have copper pipes that do not make that much

Pa

But that can't be it? Everyone has best network only we do not

Pr

Dignity has the Ps4 plugged with a cable s.den box and watch as it is there such a cable is synonymous really little.

No

With me over 400Mbit over copper, stable.

No

What amplifier?
Did you get your wireless router or something?
1200mbit makes my Fritz Box but was certainly cheaper.
Sometimes the PS4 tries to reposition it, sometimes it's very vulnerable.

Pa

I try everything two years ago. We had 4 experts who looked. But all right. I'm at the end

Pa

For all other functions but synonymous. I just want to know what four is broken or wrong😥 I can't anymore

Pa

What can I do?