Please make sure the network you are trying to use your unlocked phone on is a GSM carrier. Otherwise it may not be compatible with your unlocked phone. Please check with us before your buy an unlock code if you are not sure. We offer the easiest way to unlock your device, via remote IMEI unlock code. All we need to know is your IMEI number (press *#06# on your device), network lock and model. That's it! No cables or taking your phone apart! We have generated thousands and thousands of Cellfor cellular devices for the past 8 years. Our smartphone unlocking codes are personalized to your device and are 100% guaranteed to work or your money back*.