iPhone Factory Unlock This will unlock any iPhone on any firmware! Use your iPhone in any country!   The difference between a regular unlock and this one is that once its unlocked, it will stay unlocked forever. No hassles no problems! The secret to this unlock is that it is an IMEI unlock. Each iPhone has its own IMEI (which sort of acts as a unique phone id) We apply the unlock to this IMEI, so no matter what you do with your iPhone it will always stay on that device! Process is fast and easy. 1) Purchase the service. 2) Email/Call with your IMEI number (found in the settings of you iPhone) 3) Wait 24-48 hours and your iPhone becomes unlocked.