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codex - 💡(How to fix) Fix Codex mobile remote connection cannot be paired again after removing device on Mac

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What version of the Codex App are you using (From “About Codex” dialog)?

26.513.31313

What subscription do you have?

ChatGPT Pro

What platform is your computer?

Darwin 25.3.0 arm64 arm

What issue are you seeing?

After accidentally removing/disconnecting my mobile device from the Codex App on macOS, I can no longer pair ChatGPT mobile with the Codex Mac host.

ChatGPT mobile still shows the old Codex host/device, but it appears disabled/offline. The Codex App on macOS does not show the phone/device as connected anymore.

When I start “Set up Codex mobile” on the Mac and scan the QR code from the phone, no new pairing is created. The mobile app keeps showing only the old disabled host.

What steps can reproduce the bug?

Feedback ID: 019e3214-83b6-7c43-a5e8-0c2783a8f988

  1. Have ChatGPT mobile paired with a Codex App host on macOS.
  2. Remove/disconnect the mobile device from the Codex App on the Mac.
  3. Open ChatGPT mobile.
  4. The old Codex host remains visible but disabled/offline.
  5. On macOS, start “Set up Codex mobile” again and generate a new QR code.
  6. Scan the QR code from the phone.
  7. No new pairing is created and the old disabled host remains the only visible device on mobile.

Already tried:

  • Reinstalling the ChatGPT mobile app.
  • Restarting Codex App on macOS.
  • Generating a new QR code.
  • Checking same ChatGPT account/workspace.
  • Trying to reconnect from the mobile Codex view.

What is the expected behavior?

After removing a mobile device from the Codex App on macOS, I should be able to create a fresh pairing between ChatGPT mobile and the Codex Mac host.

Alternatively, the stale disabled host should be cleared/reset so the mobile app can discover or pair with the Mac again.

Additional information

The stale host remains visible on ChatGPT mobile, but the Mac-side Codex App no longer shows any connected device. This looks like a stale remote connection/device association that cannot be cleared from the mobile side.

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