HTC Tilt 8900 Smartphone "sumsang" Questions

I have a Sumsang mobile and I put a lock on everything! Then I forgot my Pass word I can't get in!!!!! How do you Reset it? Go to security settings and click on factory reset settings, will delete any

Please tell me master reset code for sumsang SGH F300 Press *2767*3855# from that menu you should be able to reset. The default password should be 0000