Why is the main loudspeaker sound poor after updating to Android Pie?

Question

• Why is the main loudspeaker sound poor after updating to Android Pie?

Valid for

• Xperia XZ Premium
• Xperia XZ1
• Xperia XZ1 Compact
• Software version 47.2.A.0.306, 47.2.A.2.33, 47.2.A.4.41 or 47.2.A.4.45.

Solution

You might experience that the sound from the main (lower) loudspeaker is poor after updating your device to Android 9.0. In this case you should install an upcoming, later software version to check if the behaviour persists.