How do I reset or troubleshoot connection issues?

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Connection issues are frustrating but usually fixable. Here's a systematic troubleshooting approach for the QuietComfort Ultra (2nd Gen).

Quick Fixes (Try First)

| Issue | Solution | |-------|----------| | Dropouts/stuttering | Move closer to device, away from WiFi routers | | Won't reconnect | Toggle Bluetooth off/on on your device | | General issues | Power cycle (off 10 sec, on) | | Intermittent problems | Charge above 20% |

Step-by-Step Troubleshooting

Level 1: Power Cycle

1. Power off headphones
2. Wait 10 seconds
3. Power back on
4. Toggle Bluetooth off/on on your phone

Level 2: Re-Pairing

1. Remove headphones from device's Bluetooth settings ("Forget Device")
2. On headphones: hold Bluetooth/power button until pairing tone
3. Re-select from device's available devices

Level 3: Factory Reset

1. Press and hold volume up + volume down simultaneously
2. Hold for 15 seconds
3. LED blinks white three times (reset complete)
4. Re-pair to all devices

Level 4: Firmware Update

Connection bugs are often fixed via updates.

Via Bose Music app: Settings → Check for updates

Via USB: Bose Updater website

Clear All Paired Devices

Hold Bluetooth button + multi-function button until LED flashes.

LED Status Reference

| LED | Meaning | |-----|---------| | Solid white | Fully charged | | Solid blue | Connected | | Blinking blue | Pairing mode | | Blinking amber/white | Error—contact support |

When to Contact Support

If issues persist after factory reset and firmware update, you may have a defective unit. Contact Bose customer support for warranty assistance.