What does factory unlocked, or sim free, mean?
Hi factory unlocked or sim free is nothing but your phone get unlocked from network lock permanently that is even if you update or reset your phone in future your phone might wont lose unlock …If it is not factory unlocked then once you update or reset your phone it may get locked again to network provider …If you want to unlock any of your phone permanently from any GSM network provider then have a look at sites like MobileUnlockSolutions.com here they render permanent unlock solutions for all mobile models at reliable cost ….
