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How to Fix PS4 Error NP-31730-4

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PS4 error NP-31730-4 PlayStation connection troubleshooting
PS4 error NP-31730-4 PlayStation connection troubleshooting

Quick answer: PlayStation identifies NP-31730-4 as an error connecting to PlayStation. Sign out of PlayStation Network, turn the PS4 completely off, unplug it for five minutes, reconnect it, and sign in again. Check PSN status before changing network settings.

Before you start

  • Have your PlayStation Network email, password, and two-step verification method available.
  • Do not choose Initialize PS4 unless your saves are backed up and the basic steps have failed repeatedly.
  • If PSN reports an outage, wait and retry later.

Fix error NP-31730-4

  1. Check PlayStation Network status. If Account Management or Gaming and Social is degraded, local changes will not repair the service.
  2. Sign out of PSN. Open Settings > Account Management > Sign Out.
  3. Shut the PS4 down fully. Do not use Rest Mode. After the light is off, unplug the power cable.
  4. Wait five minutes. This clears the console’s retained network and account session.
  5. Reconnect and restart. Plug the console back in, start it, then sign in to PlayStation Network.
  6. Test the connection. Open Settings > Network > Test Internet Connection. If obtaining an IP address fails, restart the router and try Ethernet if available.
  7. Update system software. Install any pending PS4 system update, restart, and test again.
  8. Use backup and reset only as a last resort. PlayStation’s code page says to back up your data and reset the console if the error continues. Because initialization erases local data, contact PlayStation Support first when possible.

Why this works

The official sequence refreshes the PSN login token and forces a clean network session. The five-minute power disconnect also clears temporary state that a quick Rest Mode cycle can preserve.

Optional network checks

The source video demonstrates Ethernet and a third-party DNS service. Ethernet is a safe diagnostic when Wi-Fi is unstable. Changing DNS is not part of PlayStation’s primary NP-31730-4 instructions, so leave DNS on Automatic unless ordinary connection testing points to a name-resolution problem. If you experiment, record the old setting so you can switch back.

Warnings

  • Initialization deletes local users, games, captures, settings, and saves that are not backed up.
  • Do not repeatedly change DNS, MTU, proxy, and router settings at the same time; you will lose track of which change helped.
  • Never share a PSN password or verification code with a support requester.

Frequently asked questions

Does NP-31730-4 mean my account is banned?

The official code page describes a connection error, not an account suspension. Check PSN status and your account notifications separately.

Will signing out remove games?

No. It ends the current PSN session; installed games and local saves remain.

Should I use Cloudflare DNS?

It can be tested as an optional, reversible network change, but it is not the first-party fix for this code.

Official references

Source video

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