place the mp3 in a folder called ringtones
for alert notifications put them in a folder called notifications
then when you go to change your ringtones, the mp3 should show up
is that every time or just the first time?
yes, you can do a *228 option 1 or 3 and it will ask what number you are putting it on, and the security code for the account.
i think you can do it online too