What should I do if the sound of my over-ear headphones is crackling?
You can try the general troubleshooting steps and let us know if it works:
1) "Forget" the headphones in your device's Bluetooth history.
2) Reset the headphones.
3) Try connecting the headphones with another device.
Here are tips to reset soundcore's over-ear headphones:
A3028/A3029
Hold down the Power button and Volume+ for 5 seconds
A3027/A3030
Hold down the Power button and Volume+ for 5 seconds
A3031
Hold down Multifunction Button (MFB) and Volume+ for 5 seconds when charging
A3021
Hold the Bluetooth and Play buttons for 5 seconds when pairing
A3023
Hold down Multifunction Button (MFB) and Volume+ for 5 seconds when inserting a USB charger
A3025/A3024
Hold down the Power button and Volume+ for 5 seconds when inserting a USB charger
A3032/A3033
Hold down the Power button and Volume+ for 5 seconds when charging
A3045
Hold down the Power button and Volume+ for 5 seconds when inserting a USB charger
A3035
Combination button : long press and hold power button & "+" button together for 5s (red led flash 3 times) when headset is powered on
A3040
Combination button : long press and hold power button & "+" button together for 5s (red led flash 3 times) when headset is powered on
A3004
Press and hold the volume up and MFB simultaneously for 5S when the headset is powered on
If you have additional questions, please contact us at Service@soundcore.com for further assistance. Make sure to mention that you have tried the steps in this FAQ so our agents do not ask you to repeat these steps.