Hi - I have a Samsung SPH-M300 that has a lock code put on it by the previous owner. I've tried all the obvious codes, last four digits of the phone number, etc - no dice. There's also a security code, so I can't do a master reset.
Anyone know if there's a way to do a back door master reset? I read that apparently many Samsung phones do a reset when you punch in *2767*3855#, but that didn't work on this one.