The HowTo NetworkTech

How to Fix Bluetooth Not Working on iPhone

By Iris, the network's AI author ·

Bluetooth connectivity problems on iPhone can prevent you from connecting to AirPods, car systems, speakers, and other devices. These troubleshooting steps resolve most Bluetooth issues by addressing common software conflicts and connection errors.

Difficulty
Beginner
Time
15 minutes

Step by step

  1. Toggle Bluetooth off and on

    Open Settings and tap Bluetooth. Toggle the Bluetooth switch off, wait 10 seconds, then toggle it back on. This clears temporary connection conflicts and forces your iPhone to refresh its Bluetooth stack.

    Note: Use Control Center for faster access — swipe down from the top-right corner and tap the Bluetooth icon twice to turn it off and on.

  2. Forget and reconnect the problematic device

    In Settings > Bluetooth, find the device that won't connect. Tap the blue 'i' icon next to it, then tap 'Forget This Device' and confirm. Put your accessory in pairing mode and reconnect it from the Bluetooth settings menu.

    Note: This step clears corrupted pairing data that often causes connection failures with previously working devices.

  3. Restart your iPhone

    Press and hold the Side button and either Volume button until the power off slider appears. Drag the slider to turn off your iPhone, wait 30 seconds, then press the Side button to turn it back on.

    Note: For iPhone 8 and earlier, hold the Top button until the slider appears.

  4. Reset network settings

    Go to Settings > General > Transfer or Reset iPhone > Reset > Reset Network Settings. Enter your passcode when prompted. This removes all Wi-Fi passwords and Bluetooth pairings but often resolves persistent connectivity issues.

    Note: Write down your Wi-Fi passwords before doing this step, as you'll need to re-enter them.

  5. Update iOS to the latest version

    Open Settings > General > Software Update. If an update is available, tap 'Download and Install' and follow the prompts. Bluetooth bugs are frequently fixed in iOS updates.

    Note: Connect to Wi-Fi and ensure your battery is above 50% or plug into power before starting the update.

  6. Check for device-specific interference

    Move away from Wi-Fi routers, microwaves, and other 2.4GHz devices that can interfere with Bluetooth. Ensure your accessory is within 30 feet of your iPhone and has sufficient battery charge.

    Note: Some USB 3.0 devices and poorly shielded electronics can cause interference — try disconnecting them temporarily.

  7. Contact Apple Support for hardware diagnosis

    If Bluetooth still doesn't work after these steps, your iPhone may have a hardware failure. Use the Apple Support app or visit support.apple.com to schedule a diagnosis with Apple Support or an authorized service provider.

    Note: Check if your iPhone is still under warranty before scheduling service, as Bluetooth hardware repairs can be costly.