How to Hard Reset JBL Wonderboom 3

The -Volume DOWN- and -Power- buttons on the Wonderboom 3.

Here, we show how to hard reset JBL Wonderboom 3. This returns the unit to its factory default settings.

Resetting wipes any paired Bluetooth devices from memory. Moreover, clearing this data prevents the unit from connecting to any nearby BT devices after the reset. Further, you might hard reset to ready this device for sale or re-gifting. Or, perhaps you simply wish to stop it from pairing with devices you no longer listen to on it when you power it up.

How to Hard Reset JBL Wonderboom 3: Step by Step

1. Turn on the Unit

Press and release the Power button. The status lamp in that button lights and you hear a power-up sound. We circled the Power button in the next picture.

Top view of the JBL Wonderboom 3. Showing the dark -Power- button.

Then, the status light comes on solid or it blinks, as shown next.

The glowing -Power- button.

2. Wait for the Power Up Sound

The JBL Wonderboom 3 makes a curious electronic sounding noise when it boots, and the unit is then ready for use when this sound stops.

Now it may or may not pair with a device. That depends on whether you have any in-range Bluetooth devices that know about the JBL Wonderboom 3. Whether paired or not, the hard reset works as follows.

3. Be Sure the JBL Wonderboom 3 is Not Connected with Anything Prior to Hard Reset

This speaker may not answer to the hard reset command while connected with a source Bluetooth device. So disconnect it before resetting.

4. Press the Power and the Volume DOWN Button Together for Five to Eight Seconds

Find the Power and Volume DOWN buttons. The Power button is on the top of the speaker, near the front. Volume DOWN is the long plum line on the front, near the bottom. See these both pointed out by the green arrows in the next picture.

The -Volume DOWN- and -Power- buttons.

The JBL Wonderboom 3 then enters hard reset. Within a couple seconds, the unit switches off. Next, the falling electronic ker-plunk sound plays. Then the lamp in the Power button goes dark.

The dark Power button.

5. Check that the Hard Reset of the JBL Wonderboom 3 Did Indeed Occur

Next, power on the speaker again, as detailed in step 1 above.

After reset, the JBL comes up in ready-to-connect mode, with the Pairing lamp rapidly flashing white.

6. Done with How to Hard Reset JBL Wonderboom 3 !

The reset operation is finished now. So go ahead and gift or sell it, or connect the speaker anew with your BT devices.

Finally, don’t forget to delete any now-stale connections to this speaker from your source BT devices that you set up before resetting. These will no longer work. So you should “forget” them in your source device’s settings pages.