Please follow the below procedure to reset Lypertek X Headphone Zone PurePlay Z3: 1. Forget the Lypertek X Headphone Zone PurePlay Z3 Bluetooth name, Lypertek X Headphone Zone PurePlay Z3 - L / R, from the Bluetooth list on the phone. 2. Put both earphones into the charging case; (make sure the charging case has power) 3. Press and hold both Lypertek X Headphone Zone PurePlay Z3 L/R for 5 seconds. Remember to make sure you can see the light. 4. Once you see the light flash, release the fingers. Then Lypertek X Headphone Zone PurePlay Z3 was reset. 5. Take out both earphones from the charging case, the LED of one side earphone is flashing, which means it is at pairing mode. 6. Follow the pairing procedure to connect Lypertek X Headphone Zone PurePlay Z3 with the phone again.