i have k750i and when i play songs on the phone loudspeaker, it's not loud enough, but if i transfer the SAME song to my friends k510i or k310i the song is much louder even at the same voulume 7/8 for example.....
all k750i phones that me and my friends have suffer this problem....
is that one of bad sides of k750i? or is it only problem with my phone?