Originally Posted by Sith_Apprentice
Verizon and Sprint are very similar in service (even using eachothers towers on many occassions). The 8830 has a small bug in the ringer volume with some of the default ringers. Its easy to fix by just loading your own ringtones or downloading loud ones from the net.
Verizon does not use sprint towers, unless you are explicitly roaming. Sprint, however, uses verizon towers all the time.