It is not a problem if you are outside US. you can still get brand new iPhones from Ebay.com or Flipkart.com . If these iPhones are unlocked you an directly insert your SIM and go on using it. If these iPhones are network locked, You can unlock them through Remote unlocking method from Wickedunlock.com and then you can insert your SIM and start using it. All the best mate.