Hi I'm new and need help my bro gave his 8100 and unlocked from t-mobile to at&t...worked great but had to reprace keypad and membrane... i followed the basic instuctions on pdaparts and cleaned it a lil w/rubbing alcohol in the plastic cracks... put back together and everything worked great untill i realized that no one can hear me i can them... not on mute... headset works ... i've read a few dozen similar threads with this problem and am pretty sure i messed up the microphone contacts/spring/coil alignment... didn't even realize that it was so easy to or even where they were when doing the repair...i've attempted to align them but just can't figure it out by word discription need to see photos ... i've seen members here saying they uploaded the ones i need but don't see the pic... PLEASE HELP... i've already bent the anttena down taking