I AM NEW TO MOTOROLA AND JUST RECENTLY PURCHASED A MOTOROLA T720i. I NEED YOU ADVICE ON HOW TO UNLOCK THE FONE.

IT IS LOCKED ON T-MOBILE AND WHEN I PUT ANOTHER SIM IN IT, IT SAYS; ENTER SUBSIDY PASSWORD. DOES ANYONE KNOW HOW TO DO THIS AS IM ON ORANGE MOBILE NETWORK AND MY SIM DOESNT WORK.

ALL HELP WOULD BE GREATLY APPRECIATED...... THANX IN ADVANCE......