My husband accidently locked his sim card while trying to change phone pass code. our 7 yr old down loaded things that we didn't want & saved pictures in picasa that we couldn't delte. got help with that but verizon is closed til 6 am. does anyone know how to unlock his sim card? he has a samsung galaxy s 3... been trying to unlock it for over an hr... he doesn't know how he did it & now can make emergency calls only...