Removing the network restriction off your HTC Ozone cell phone has never been easier! All you need to do is supply us your HTC Ozone serial number (IMEI) during checkout and within the indicated time frame, we will email your unique Ozoneunlock code. Simply dial in the unlock code supplied using the instructions provided just like you would dial any other phone number and you can now enjoy your unlocked HTC Ozone and use it with any active GSM SIM card.