How do you set a password on the samsung flight?

Does anyone know if it is possible to set a password on a Samsung Flight %26amp; if so, how do you do it?How do you set a password on the samsung flight?i just got my samsung flight a few weeks ago so i have not mastered it yet ........ but when i was waiting for it to come in the mail it watched reviews on youtube and someone had a password on theirs so it possible . i think you have to go to menu and then settings and idk from there but i hope i helped a little :) (i have the samsung flight in red) also you could check on youtube , thats what i do when im trying to find out things about the phone .