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Help Guide
Wireless Noise Canceling Stereo Headset
WH-1000XM4
Initializing the headset to restore factory settings
If the headset does not operate correctly even after resetting, initialize the headset.
Turn off the headset while the USB Type-C cable is disconnected and then press and hold the
the CUSTOM button simultaneously for 7 seconds or more.
The indicator (blue) flashes 4 times (
etc. to the factory settings, and deletes all pairing information. In this case, delete the pairing information for the headset
from the device and then pair them again.
If the headset does not operate correctly even after initializing, consult your nearest Sony dealer.
Note
If you have updated the software after purchasing the headset, even if you initialize the headset, the software is retained
updated.
When you initialize the headset to restore the factory settings after you change the language of the voice guidance, the language
will also return to the factory setting.
), and the headset is initialized. This operation resets volume settings,
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(power) button and
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