Front left view of the Sony SRS XB33 speaker.

Sony XB33 Factory Reset Instructions

We give Sony XB33 factory reset instructions here to return this Bluetooth speaker to its default settings.  Factory resetting restores the XB33 to fresh-out-of-box state. Plus, it erases any earlier paired Bluetooth devices from memory. Clearing these stops this speaker from pairing to any nearby Bluetooth devices. Also, you might factory reset to get the unit ready for sale or re-gifting, or to stop it from syncing wirelessly with devices you no longer wish it to connect with.

Sony XB33 Factory Reset, Step by Step Routine

1. Turn the Speaker ON

Press and release the Power button for a half-second or so. Find the Power button as shown in the next picture.

The -Power- button on the Sony XB33. Sony XB33 Factory Reset.
Sony XB33 -Power- button.

Find the Power button, as shown in the last picture above.

Then, the status light comes on, as shown next.

Picture of the -Power- lamp lit up.
Ther -Power- lamp lit up.

The speaker may make a ding-dong tone sound when it powers up and announce that it has paired, should it connect to a in-range device. Or it may make no sound if not.  But whether the unit pairs or not though, this factory reset routine works the same way, as follows.

2. Press and Hold the Pairing and Volume DOWN Buttons Together

Find these buttons as shown next.  They are both on the top button panel, as we point out in the next picture.

The -Bluetooth Pairing- and -Volume DOWN- buttons.
The -Bluetooth Pairing- and -Volume DOWN- buttons.

The XB33 then enters the factory reset process.

Next, after a few seconds, the speaker powers OFF. The status lamp goes dark, as shown next. Plus, note that on the SRS XB33, there is no power-down sound.

The dark -Power- light.
The dark -Power- lamp.

3. Check that your Sony XB33 Did Indeed Factory Reset

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

Note that after factory reset, the XB33 comes up in discovery mode. The Pairing Mode lamp double blinks blue to let you know this.

The glowing -Bluetooth Status- light.
The -Bluetooth Status- lamp glowing.

This is a signal that you may then look for this speaker on a nearby BT device, and pair to it if you wish.

4. Done with Sony XB33 Factory Reset !

The factory reset is now done. So you may safely sell or gift the 33, or pair it again with your favorite Bluetooth devices.

After a factory reset, the XB33 no longer automatically syncs with any previously joined Bluetooth device. Thus, to restore auto pairing, you manually connect it with a device. Then, any time that both speaker and that device have Bluetooth turned on, and they’re near to each other, pairing automatically takes place once more.

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Other Sony XB33 Posts

    1. How to Turn On Sony XB33
    2. Sony XB33 Buttons Explained
    3. Sony XB33 Battery Life
    4. How to Make Sony XB33 Discoverable
    5. Sony XB33 Battery Indicator


    1. Sony XB33 Official Support Page
    2. Where to Buy the Sony XB33

Revision History

    • 2023-03-10: First published.