How to Fix Error Code WS-37400-4 on PS4 and PS5?

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A few PS4 and PS5 owners are currently facing error code WS-37400-4 on PSN. Some players are reporting that they could not sign in to PSN. We post some fixes and tips to fix error code WS-37400-4.

Read more details here.

How to Fix Error Code WS-37400-4?

Change your DNS

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OpenDNS
PRIMARY:208.67.222.222
SECONDARY:208.67.220.220

googleDNS
PRIMARY:8.8.8.8
SECONDARY:8.8.4.4

Make sure your PS4’s system software has the most recent update:

  • Select Settings at the top of the PlayStation home screen.
  • Choose “System Software Update” and allow any system updates to install.
  • Reboot your PlayStation 4.

Clear your PS4’s cache:

PLAYSTATION 4

  1. Press and hold the PlayStation button on your controller.
  2. Select “Turn Off PS4”.
  3. Let the PlayStation 4 to fully power down and wait for 10 to 20 seconds.
  4. Restart the PlayStation 4.

A PSN backend update will fix the error WS-37400-4.

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