Insert a non accepted sim, most times it will show "Phone Restricted" Press the UNDO option You should see a box that says enter restriction code. Enter the code given and then press (OK) #pw+817191037533306+7# Press * 3 times fast for (p) Press * 4 times fast for (w) Press * 2 times fast for (+) Verify code before pressing the last #. "Code error", don't try again!! "Phone restrictions off", it's unlocked!!