Move your PS4 closer to your router: The further away your system is from the router, the weaker the Wi-Fi signal will be. If at all possible, move the two physically closer together. You can see how strong your PS4's Wi-Fi signal is at Settings > Network > View Connection Status; look for the Signal Strength entry.11 Jun 2021
How do you fix weak Wi-Fi on PS4?
- Run an internet connection test on the PS4 by going to Settings > Network > Test Internet Connection.
- Reset your local network connection by powering off your modem or router and waiting 5 minutes before turning it back on.
Can PS4 connect to WiFi extender?
If your wifi extender has an Ethernet slot then certainly you can connect it with your PS4. The benefit is that it will provide a dedicated channel between your PS4 and extender free of any interference.