randomly disconnected from EA server

hi guys, i keep getting randomly disconnected from EA server followed by cant connect to EA server right now and getting kick to main screen while playing in Ultimate Team like squad battle, rush, doing SBC or just checking objective.  if I press R3 in the main screen to connect, it connect me right away, and if i leave it stay in main screen, it also getting disconnected again in about 5-15 minutes later. here several thing i tried suggested by google AI . 1. deleting EA folder in app data and local app data 2. turning off my router for a few minutes to get new IP address 3. flushing my network from command prompt 4. using google DNS 8.8.8.8 and 8.8.4.4 5. verifying fc26 integrity file from steam 6. giving steam, EA app, FC26App, Javelin anti cheat administrator right 7. disconnected all USB except my keyboard ,mouse, and controller 8. deleting all associated device connected to my fc26 account from EA website. I also tried installing my windows, fresh, and reinstall FC26 after. imagine reinstalling your windows just because a game. i also change my LAN cable. i ping google nonstop to check when i got disconnected from EA server while playing, not a single request time out spotted. i don't know what else to do. this is the only game i have to play in my spare time, please if anyone can help me