iPhone 3GS fault after battery replacement(no sound)

Smudge1967

macrumors newbie
Original poster
Jun 22, 2013
2
0
I recently replaced the battery on my sons 3GS . Seemed fairly easy until I Tried to test it. There was no sound and the mic does not work either . Can any one help me?
 

Beyinsis

macrumors member
Jun 15, 2013
33
0
I'm graduaded computer programming and assemblyied at least 200 pc when I was working for my own firm when was noname pc's very popular but I can't dare open an iphone