Help Back speaker not working

[Black Ops]

Hay guys

The speaker of my A60 jest the back one, Which is used for everything

Like phone calls ring, Media ect..

The other ones are Working, I am going to the service center tomorrow

But is there any temp fix for my problem like switching to the front speaker

 

[Seemalimit2004]

hye:
when i connect earphone to my A60 phone only one speaker is working and any time is disconnect to phone when i listening music. i check the earphone through the PC is good not problem but when i connect to phone same problem and sound of phone is also decreased. please help me what i do