When the UE Wonderboom 3 Won’t Turn OFF, this likely means oneor more things as follows. UE Wonderboom 3 Won’t Turn OFF: Causes and Fixes Try to forcibly restart the 3. Do this by pressing the Volume Up and DOWN and Pairing buttons, all at the same time. Hold for two seconds then release. The … Continue reading UE Wonderboom 3 Won’t Turn OFF