I have the option to upgrade from my old black berry curve to the iphone 4s for free, or I can wait a month to get the samsung galaxy s4. Also for free.
  Added (1). Sorry I made a mistake, the Samsung Galaxy S4 I would have to pay for that one but it would be cheaper for me because I am upgrading.
  Added (2). Sorry I made a mistake, the Samsung Galaxy S4 I would have to pay for that one but it would be cheaper for me because I am upgrading.
  См. статью: Should I upgrade to the iPhone 4S or wait for the Samsung Galaxy S4?