Near Field Communication (NFC), is a feature on some devices that lets devices to talk to each other just by being next to each other. You use it when paying for things with your phone (for example, Apple Pay and Android Pay), but can also pass photos, contacts, or any other information. With Bluetooth you can wirelessly connect your device with headsets and other accessories.
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Before following the steps below, ensure the following:
Uninstall all apps you downloaded around the time the problem started.
Update the device software to the latest version. You can do this over Wi-Fi.
Remove any cases or covers from the phone.
Restart the device you are trying to pair with and the phone.
Check that Airplane mode is off.
If your device meets the criteria above, but the issue persists, proceed with the applicable troubleshooting steps below.
- Open the Devices page, find your device, and open its Tech Specs page to make sure your device has NFC.
- Open the app store, and download all available updates.
- If you still can't turn on or turn off NFC in device settings, contact the device manufacturer.
- Open the Devices page, find your device, and check the User manual for using NFC.
- Place the NFC device and your phone within 1 inch of each other, with nothing between them.
- Try turning off Bluetooth, Smartphone Mobile Hotspot, and any other connections you have turned on.
- If NFC is turned on but your apps still isn't working, then see:
- Open the Devices page, find your device, and open its Tech Specs page. Make sure it has Bluetooth.
- Turn off and turn on Bluetooth in your device settings.
- Android devices: Wipe the cache partition.
- Apple devices: Rreset network settings. (Settings > General > Reset > Reset Network Settings)
- Open the Devices page, find your device, and open its Tech Specs page.
- See what Bluetooth profiles your T-Mobile device supports.
- Check that the accessory you're trying to connect uses one of those profiles.
- Make sure the devices are within 10 feet of each other, with nothing between them.
- Put the accessory into discoverable mode. See if the devices shows as paired in the Bluetooth menu.
- Open the Bluetooth menu, search for new devices, and find the accessory to pair.
- If it asks for a PIN or passkey, check the accessory user manual or contact the manufacturer. (Common passkeys you can try are 0000 and 1111.)
- If the devices were previously paired, remove the saved connection so you can make a new one.
- Apple iOS: Reset network settings. (Settings > General > Reset > Reset Network Settings)
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