Fix Samsung Galaxy Note 5 Bluetooth Problems

This guide walks you through the most common Bluetooth issues on the Samsung Galaxy Note 5—pairing failures, dropped connections, poor audio, and the phone not being discoverable. You’ll find clear, step-by-step fixes that resolve the majority of problems without needing any special tools or technical skills.

What You’ll Need

Your Samsung Galaxy Note 5
The Bluetooth device you’re trying to connect (headphones, speaker, car, etc.)
A few minutes of uninterrupted time
Optional: a paperclip or SIM ejector tool (only for the reset step)

Step-by-Step

Turn Bluetooth off and on again. Swipe down from the top of the screen to open the notification panel. Tap the Bluetooth icon to turn it off, wait 10 seconds, then tap it again to turn it back on. This refreshes the radio and clears minor glitches.
Restart your Note 5. Press and hold the Power button, then tap “Restart”. A full reboot clears temporary system errors that can interfere with Bluetooth. If the phone is unresponsive, hold Power + Volume Down for about 10 seconds to force a restart.
Check the Bluetooth device’s battery and range. Many “connection” problems are actually low battery on the accessory or being too far away. Make sure the device is charged and within about 30 feet (10 meters) of the phone, with no thick walls or metal objects between them.
Put the other device in pairing mode. For most speakers, headphones, and car stereos, you need to press and hold the Bluetooth button (or a dedicated pairing button) until the LED flashes rapidly. Consult the device’s manual if you’re unsure—each brand does it slightly differently.
Delete the old pairing and re-pair. Go to Settings > Bluetooth. Find the problematic device in the “Paired devices” list, tap the gear icon next to it, and select “Unpair” (or “Forget”). Then restart both devices and pair them from scratch. This clears corrupted pairing data.
Clear the Bluetooth app cache. Go to Settings > Apps > Show system apps (three-dot menu, then “Show system apps”). Scroll to “Bluetooth”, tap it, then tap “Storage” and “Clear cache”. Do the same for “Bluetooth MIDI Service” if you see it. This doesn’t delete your paired devices, just temporary files.
Reset network settings. Go to Settings > Backup and reset > Reset network settings. This clears all Wi-Fi, mobile data, and Bluetooth connections. You’ll need to re-enter Wi-Fi passwords and re-pair all Bluetooth devices afterward, so only do this if other steps fail.
Check for software updates. Go to Settings > About device > Software update and tap “Download updates manually”. Samsung has released several patches over the years that fixed Bluetooth stability issues. Install any available update, then restart the phone.
Boot into Safe Mode. Press and hold the Power button, then tap and hold “Power off” until the “Safe mode” prompt appears. Tap it to restart in Safe Mode. In Safe Mode, third-party apps are disabled. Try using Bluetooth here. If it works, a downloaded app is causing the conflict. Restart normally and uninstall recently installed apps one by one to find the culprit.
Perform a factory reset (last resort). Back up everything first—photos, contacts, messages, and app data. Then go to Settings > Backup and reset > Factory data reset. This restores the phone to its original state and will almost certainly fix any software-related Bluetooth problem. After the reset, set up the phone as new (don’t restore from backup) and test Bluetooth before reinstalling apps.

Common Mistakes

Forgetting to put the accessory in pairing mode. Simply having it on isn’t enough—most devices need a long press to enter pairing mode. If the phone can’t find it, the accessory isn’t broadcasting.
Not removing the old pairing. If you’ve paired before, the phone and the device may be trying to use stale credentials. Always unpair/forget before re-pairing.
Skipping the restart. Many people jump straight to complex resets without trying the simplest fix. A quick restart resolves a surprising number of Bluetooth issues.
Assuming the phone is at fault. The problem could be the headphone, speaker, or car stereo. Test the Note 5 with a different Bluetooth device to isolate the issue.
Ignoring battery saver mode. Ultra power saving mode or aggressive battery optimization can kill Bluetooth background activity, causing drops. Check Settings > Battery and disable any power-saving modes while testing.

Tips

Keep the Note 5’s Bluetooth visible. Go to Settings > Bluetooth, tap the three-dot menu, and select “Visibility timeout”. Set it to “Always visible” so other devices can find it easily.
Use the right codec for audio. If audio quality is poor, go to Settings > Developer options (enable by tapping “Build number” 7 times in About device) and try different Bluetooth audio codecs like aptX or AAC. Note that not all devices support all codecs.
Keep the phone and device close during pairing. Pair them within a few feet to avoid interference, then you can move farther apart.
Update the accessory’s firmware. Many modern headphones and speakers have companion apps that update their firmware, which can fix Bluetooth bugs. Check the manufacturer’s app or website.
Disable Wi-Fi if you’re having severe interference. The Note 5 uses the same 2.4GHz band for Wi-Fi and Bluetooth. Turning off Wi-Fi temporarily can help diagnose interference.

Troubleshooting

If you’ve followed all steps and Bluetooth still isn’t working, try these additional checks:

Test with another device. Pair your Note 5 with a different Bluetooth speaker or phone. If that works, the problem is with the original accessory, not the phone.
Check for physical damage. Inspect the antenna area (top of the phone) for cracks or water damage. A damaged antenna can cause weak or dropped signals.
Try a different Bluetooth profile. If the phone pairs but audio doesn’t play, the accessory might only support the hands-free profile (HFP) but not the media profile (A2DP). Check the accessory’s specs.
If the phone won’t turn on Bluetooth at all, it could be a hardware failure. In that case, contact Samsung support or a certified repair technician.

Frequently Asked Questions

Why does my Note 5 keep disconnecting from my car?

This is often due to the car stereo’s Bluetooth stack being outdated. Delete the pairing on both the phone and the car, then re-pair. Also, check if the car’s firmware has an update. If the problem persists, try resetting network settings on the phone.

Can I connect multiple Bluetooth devices at once?

Yes, the Note 5 supports multiple simultaneous connections, but the number depends on the profile. You can typically connect two audio devices (like earbuds and a smartwatch) but not two audio outputs at the same time. To manage, go to Settings > Bluetooth and tap each device to see its active profile.

Why is my Bluetooth audio stuttering or skipping?

This is usually caused by Wi-Fi interference, especially on the 2.4GHz band. Try switching your Wi-Fi to 5GHz, moving closer to the Bluetooth device, or disabling Wi-Fi temporarily. Also, make sure the accessory’s battery isn’t low.

How do I clear the Bluetooth cache without losing my paired devices?

Go to Settings > Apps > Show system apps > Bluetooth > Storage > Clear cache. This only removes temporary files, not your saved pairings. If you tap “Clear data” instead, that will remove all pairings.

Will a factory reset definitely fix my Bluetooth problem?

If the issue is software-related, yes. However, if the Bluetooth chip or antenna is physically damaged, a factory reset won’t help. Try the reset only after all other software fixes fail, and back up your data first.

My Note 5 won’t discover any Bluetooth devices at all. What now?

First, make sure the other device is in pairing mode and within range. Then restart both devices. If that doesn’t work, clear the Bluetooth cache and try Safe Mode. If it still fails, the Bluetooth hardware may be faulty, and you should seek professional repair.

General steps for current mainstream versions; menus can differ by device and version. See the disclaimer or report an error.

More in this bed

The whole Tech How-To bed →