The following are the steps to reset your earbuds: 

1. Forget/Delete your Buds Solo from the list of Saved Devices on your phone’s Bluetooth.

2. Place both ear buds into the charging case.

3. Open the charging case

4. Long press the button on the charging case for 10s or until white LED flashes 5 times

5. Repeat the pairing process

NOTE : The charging case lid should be open throughout the process