The connection to your opponent has been lost

Hi,

I'm experiencing consistent connectivity issues while trying to play any online mode in FC25. Every time I start an online game, whether it's Ultimate Team or a friendly co-op match, I get disconnected within the first 2-3 seconds, receiving the message "The connection to your opponent has been lost." This occurs in every online game I attempt to play.

Here are the steps I've taken so far to resolve the issue:

1. Enabled DMZ on my router.
2. Changed DNS settings to 8.8.8.8 and 8.8.4.4. 
3. Reset my router.
4. Tried different Wi-Fi connections (hotspot from my IPhone and 2 other Wi-Fi networks in different apartments (friends houses) since I have gaming laptop and can take it to another place).
5. Recovered the game files.
6. Cleared the EA App Cache.
7. Reinstalled the game.
8. Deleted and recreated my squad in Web App.

Despite these efforts, the issue persists. Interestingly, while searching for a game, I see a ping of 10-15ms, which indicates a good connection. However, as soon as the game starts, I get the "The connection to your opponent has been lost" message. I had the same problem is FC24, but I don't remember, how did I fix it. Actually I don't have a bad internet connection. The only game I'm struggling to play is FC25. In every other game that I play I get a pretty good connection.

I would appreciate any assistance or guidance you can provide to resolve this issue.