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iPhone Bluetooth Not Working?

AirPods won't connect? Car stereo not pairing? Bluetooth speaker cutting out? These Bluetooth problems are usually easy to fix with a few settings tweaks.

⏱️ 5-15 min 💪 Easy 🎧 All iPhones

Common Bluetooth Issues

  • Won't pair: Device not in pairing mode or already paired elsewhere
  • Keeps disconnecting: Range, interference, or battery issue
  • No sound: Audio routing or volume issue
  • Greyed out: Software glitch - restart fixes most cases

Fixes to Try

1 Toggle Bluetooth Off and On

  1. Go to Settings → Bluetooth
  2. Toggle Bluetooth OFF
  3. Wait 10 seconds
  4. Toggle back ON
⚠️ Note: Using Control Center only disconnects temporarily. Use Settings for a full toggle.

2 Forget Device and Re-Pair

  1. Go to Settings → Bluetooth
  2. Find the device and tap the (i) button
  3. Tap Forget This Device
  4. Put your Bluetooth device back in pairing mode
  5. Re-pair from scratch

3 Restart Both Devices

Restart your iPhone:

Volume Up → Volume Down → Hold Side Button until Apple logo

Also restart/power cycle your Bluetooth device (headphones, speaker, car stereo).

4 Check Device Is in Pairing Mode

Bluetooth devices must be in pairing mode to connect to a new phone:

  • AirPods: Put in case, open lid, hold button on back until light flashes white
  • Beats: Hold power button until light flashes
  • Speakers: Look for a Bluetooth button; hold until light blinks
  • Car stereo: Check owner's manual for pairing mode

5 Check Device Battery

Low battery on Bluetooth devices causes connection issues:

  • AirPods: Check battery in Control Center or Batteries widget
  • Other devices: Charge fully and try again

6 Reduce Interference

Bluetooth uses 2.4GHz which can be crowded:

  • Move away from WiFi routers, microwaves, USB 3.0 devices
  • Stay within 30 feet of Bluetooth device
  • Remove obstacles between devices (walls, metal objects)

7 Reset Network Settings

Nuclear option - resets all network and Bluetooth settings:

  1. Go to Settings → General → Transfer or Reset iPhone
  2. Tap Reset → Reset Network Settings
  3. Enter passcode
  4. iPhone restarts; all Bluetooth pairings are removed
  5. Re-pair all your Bluetooth devices

8 Update iOS

Bluetooth bugs are occasionally fixed in updates:

  1. Go to Settings → General → Software Update
  2. Install any available updates

9 Update Firmware on Accessory

Some Bluetooth devices have their own firmware updates:

  • AirPods: Update automatically when connected and charging near iPhone
  • Beats: Use Beats app to check for updates
  • Car stereo: Check manufacturer for firmware updates

AirPods Specific Issues

If AirPods specifically won't work:

  • Clean AirPods and case charging contacts
  • Reset AirPods: Put in case, hold button 15 seconds until light flashes amber then white
  • Remove from all devices signed into your Apple ID, then re-pair
  • Check AirPods aren't already connected to another device (Mac, iPad)

When It's Hardware

If Bluetooth toggle is greyed out or nothing connects after all fixes:

  • Try DFU restore first (software reset)
  • If still broken, Bluetooth antenna or chip may be damaged
  • This requires professional repair (often the WiFi/Bluetooth chip is combined)

Still Having Issues?

If Bluetooth problems persist after trying all these fixes, your iPhone may need professional diagnosis.

Get Pro Help →