speaker problem [answered]

Thx for this answer, i was a little bit nervous about that - even thinking about a reclamation ^^

Please accept the answer.

I would say the phone has 2 physical speakers. One at the top (the longer groove in the front glass) used for voice calls only at the moment and the second speaker at the bottom left side used for music and alarm and notification sounds.

Maybe the speaker types and quality are too different for playing stereo sounds.

while this is true, the upper one is not powerful enough to be used in combination with the lower one.