I just upgraded (though I use the term loosely) from a Droid 2 to a D2 Global, and like many users have been experiencing TERRIBLE call quality. I could hear people fine, even with just 1 or 2 bars of service, but they were having a very difficult time hearing me. A search through many of these forums lead me to the so-called "Secret Menu" which unfortunately is different for us D2G users. I did some searching, and I think I found where you can change the setting from EVRC to EVRC-B, which has been suggested as a good fix for poor call quality. Pull up the dialer on your phone Dial ##PROGRAM (##7764726) Hit Send (the call button) The password is 000000 (six zeros) Select "Option 6 - Test Mode" Hit "Next" until you come to the "Field test screen" Under "Service Option" (top most), select EVRC-B Hit "Back" The phone should then reboot and you'll be all set. I have not yet noticed a big difference, but my apartment is a veritable deadzone anyway, so I need to try from a more reliable location. I also have read in some other posts that not all markets support EVRC-B so if you find you can't make calls, or they're worse, follow the steps to undo it. Most of what I've posted is a repost of others, I just was excited to have perhaps stumbled upon the hidden menu of the hidden menu. Post replies if it works for you.