@ronaldvillafane it's really not possible to change your password without unlocking the phone first. If you had a google account on it, you will have to enter the proper email and password after resetting it. That means even a factory reset will not eliminate the old username. Here is what [https://www.samsung.com/ca/support/mobile-devices/what-can-you-do-if-you-forgot-the-pin-pattern-or-password-of-your-galaxy-device/|Samsung says] about that. Of course, you an always [https://www.youtube.com/watch?v=9bbmM6RPFS8|give this] a try.