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Troubleshooting

Why a TV remote app keeps asking to pair again

A PIN or approval prompt on the TV is not the same problem as a TV that can’t be found. It means the phone reached the TV and the TV isn’t sure it knows the phone. The pattern of when the prompt returns tells you the cause, so write down when it appears before you try fixes.

By TV Remotely · Updated · Sources and testing policy

Match the pattern to the cause

  • Only after you reinstall the app, clear its data, switch phones or update the OS: expected. The app has a new identity, so the TV treats it as a new device.
  • After the TV is restarted or updated: the TV may have cleared its approved-device list. Check its device list and software-update history.
  • After the router restarts or the TV is moved: the TV’s IP address changed, and the app’s saved entry points to the old one. Reserve the address in the router, or re-select the TV.
  • Every time you open the app: the TV isn’t saving approvals, or its setting is on “ask every time”. Samsung TVs have an access-notification option under Device Connection Manager; check it.
  • Only on one of several identical TVs: you paired the wrong entry. See the multiple-TV guide.

Test it in three minutes

  1. Connect and send a key. Close and reopen only the phone app, then send another key.

    If no prompt appears, the app’s pairing survives restarts.

    If the prompt appears, note whether the TV displayed a PIN or just a yes/no.

  2. Restart the TV from its menu (not from the wall) and try again.

    Behaviour after restart shows whether the TV keeps approvals.

    If only a restart triggers a prompt, check its software version for updates and its approved-device list.

  3. Open the TV’s network status and note the IP address; compare it with the address after a router restart.

    You see whether the address is stable.

    If it changes, set a DHCP reservation for the TV in the router.

What a prompt means on each brand

Samsung asks you to Allow on the TV and, for SmartThings, may ask for a PIN. LG shows a PIN during ThinQ registration. Google TV and Android TV show a pairing code on the TV the first time and then remember the phone. A prompt isn’t a fault by itself; a prompt every time is the thing to investigate.

Related guidance

Sources for these instructions