Internal Microphone work for fews days

[bhubesh25]

I am using Nokia 6600 from last 6 month. One day i play MP3 song on MP3 player, after 5 minute of song play with handset my nokia automatically play song on Handfree, after that handset is not detected and also the internal Mic is inputing small input ( i have to speak too much nearly and loudly from internal mic to give answer in call) then i open Nokia phone and replace bottom connetor but the same problem come ( handset is not detected and MIC input is low) But if I take out Headint pin from system connector and then on phone. their is no sound play by the phone and then after i switch off and then put Headint pin back to the system connector then again switch on the phone , all the above problem go away, And phone is detecting handset and also MIC input is OK......But... this go on right for 3 or 4 days after that the same above problem presist. I check all the Passive component in Mic input to UEM, System connector to UEM , but all these are right......
Please help me in solving this problem