So I swapped my pm 8200 for a MM 7400. I did the swap and did the whole remove the battery for 60 seconds thing. Still, the phones "my phone #" is the previous owners number. I do the speed dial 1 to get voicemail and it dials the phone previous number. Im lost on this one. The phone works great, but I cant access my online albums because of this problem (i think) and like I said before, I have voicemail dialing issues. Help! Anybody got any ideas? Thanks in advance.