Why does my headset not work after I updated my phone to Android 8.0?
You might experience that some types of cable headsets with a voice control button do not work with Xperia X and Xperia X Compact running on Android™ 8.0 (Oreo). This will be fixed in a future software version.
Note! Software updates are released at different times depending on the operator, market, region or country. Therefore, we cannot give you an exact date for when a specific update will be available for your device. In addition, network operators and specific markets may choose not to use the updates for specific models.
Affected Xperia devices
Xperia X Compact
Affected SW Versions