Generally, how do you change the voice message on your cell phone?

Question

i have a samsung phone, if that helps.

Answer 1

check and see if  you have a messaging option...check in there..thats where u would start

Answer 2

Get to your voicemail account (To do that, call yourself with your own cellphone)

Then it will have instructions, like "to change your greeting, press 3" or someting like that.