Why is the receiver volume on the POCO X7 Pro low when I'm on a call in handheld mode?

The POCO X7 Pro design features a centered camera on the back of the device. This design means that the receiver speaker is positioned slightly off-center.
When making a call, adjust the position of the phone so that the receiver is closer to your ear. Try to hold the phone at a different angle. If you're using your left hand to hold the phone and the receiver feels off, try switching to your right hand. This can help align the receiver with your ear more effectively. You can go to [Settings] >> [Sound & vibration] to make sure your volume settings are set correctly.