If you want to connect your UE Boom 3 speaker to a smartphone via Bluetooth, you may get the following error message on your smartphone:
"UE BOOM 3 Coupling not possible
If you receive this message, it is initially not possible to listen to music via the loudspeaker box.
How can the UE Boom3 or Megaboom be connected to the cell phone?
We would like to give you the answer with this manual. Because for this you need a corresponding app.
1. download the UE Boom App to your smartphone
2. after the installation the app starts and selects "Connect Speakers".
3. select your model.
4. turn on your Ultimate Ears speaker and activate the Bluetooth search by pressing and holding the Bluetooth button (This should now be flashing)
5. on your smartphone, switch to the Bluetooth settings and select the "UE Speaker".
The Bluetooth connection can now be established without any problems and the error "Pairing not possible" is no longer shown on the display.