Bluetooth Not Working on iPhone? Here’s the Fix
If Bluetooth is not working on your iPhone, you’re not alone. Many users face issues like Bluetooth not turning on, devices not pairing, audio cutting, or accessories not showing up. This 2025 guide explains the causes and gives step-by-step fixes that actually work.
Common Reasons Bluetooth Fails on iPhone
- Software glitches after updates
- Interference from other wireless devices
- Bluetooth cache issues
- Accessory not in pairing mode
- Outdated iOS version
- Low battery on the accessory
- Too many saved Bluetooth devices
Fix 1 — Toggle Bluetooth OFF and ON
- Open Control Center
- Turn Bluetooth OFF
- Wait 5 seconds
- Turn it back ON
Fix 2 — Restart Your iPhone
A restart resets background Bluetooth processes.
Fix 3 — Forget the Device and Reconnect
- Settings → Bluetooth
- Tap the i icon next to the device
- Tap Forget This Device
- Re-pair the accessory
Fix 4 — Ensure the Accessory Is in Pairing Mode
Different devices require different steps:
- Earbuds: Press the pairing button
- Headphones: Hold the power/pairing key
- Speakers: Activate Bluetooth mode
- Car stereos: Select “Add New Device”
Fix 5 — Move Away From Interference
Other wireless devices (Wi-Fi routers, microwaves, smart TVs) can disrupt Bluetooth signals. Move closer to the device you’re pairing.
Fix 6 — Update iOS
Settings → General → Software Update
Fix 7 — Reset Network Settings
- Settings → General
- Transfer or Reset iPhone
- Reset Network Settings
Fix 8 — Unpair All Devices (Optional)
Too many saved devices can cause Bluetooth crashes.
Fix 9 — Charge Your Bluetooth Accessory
Low battery = weak or unstable Bluetooth connection.
Fix 10 — Check App Permissions
Certain apps that connect to Bluetooth devices require permissions:
- Settings → Privacy → Bluetooth
- Enable for the required app
Fix 11 — Reset All Settings
- Settings → General
- Reset
- Reset All Settings
Fix 12 — Contact Apple Support
If Bluetooth still does not work, the issue may be hardware-related.
Final Thoughts
Most iPhone Bluetooth problems are caused by temporary software bugs or pairing mode issues. Follow the fixes above step-by-step to restore a smooth connection.

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