Show you how to factory reset your Sony SRS XB21 Extra Bass wireless speaker to its default settings. Factory resetting restores this version of the XB series speaker to its default state. Plus, factory resetting erases any earlier paired Bluetooth devices from memory. Then this clearing stops this speaker from pairing to any nearby Bluetooth devices. Also, you might factory reset to get it ready for sale or re-gifting, or to stop it from pairing wirelessly with devices you no longer wish it to connect with.
How to Factory Reset the Sony SRS XB21 Speaker, Step by Step
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.
Find the Power button, as shown in the last picture above.
Then, the status light comes on, as shown next.
The speaker may make a ding-dong tone sound when it powers up, should it connect to a nearby device. Or it may make no noise at all if it does not. Whether the unit pairs or not though, this reset routine works the same way, as follows.
2. Press and Hold the Power 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 XB21 then enters factory reset mode.
Then after a mini pause, the unit powers OFF, and the Power lamp goes dark, as shown next. Note that on the SRS XB21, there is no shutdown sound.
3. Check that your Sony SRS XB21 Speaker Did Indeed Factory Reset
Next, power on the unit again, as detailed in step 1 above.
Note that after reset, the XB21 comes up in discovery mode. The Pairing Mode lamp flashes white rapidly to let you know this.
This is a signal that you may then look for this speaker on a nearby BT device, and pair to it if you so desire.
4. Done with How to Factory Reset the Sony SRS XB21 !
The reset is now finished. So you may now sell or gift it, or pair it again with your favorite Bluetooth devices.
After a factory reset, the XB21 no longer automatically syncs with any previously paired Bluetooth device. Thus, to restore auto linking, you manually pair it with a device. Then after that, any time that both speaker and that device have Bluetooth activated, and they’re near to each other, pairing would automatically take place once more.
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References for How to Factory Reset the Sony SRS XB21
- 2021-09-23: First published.