This video explains how to fix the left ear piece of the JBL TUNE 120 tws wireless earbuds not working.
Make sure to disable the bluetooth feature of your smartphone e while attempting this fix!
First turn off both ear pieces, by pressing their buttons for 8 seconds.
Now turn on the left ear piece by pressing it's button for 5 seconds.
Then press the button 3 times quickly. The ear piece should now blink in blue and white.
If this is the case, now turn on the right ear piece by also pressing it's button for 5 seconds and then press the button 3 times.
After a few seconds the two ear pieces should now be connected and you can hear audio on both sides after connecting them to your smartphone.
Good luck!

Music: Sun Ray Falls by Roral Ceef

свернуть