the bigest problem is that i can barely hear the other guy talking i thought it's software related and i used nokia software updater so i can update to the latest version the problem remains the same reakky low volume!
did u try to turn up the volume while on a call?
sure i did right up to the max
you might need to replace the earpiece mic. You can get them all over Ebay, & there are many guides & vids. about taking the 6500c apart.