Generally true, but what if one lives in Brazil where the official retail price of the 256 GB iPhone X is the equivalent of 2400 us dollars? Wouldn't you say it's worth it to buy it in the US knowing the worst that could happen is not being able to swap a defective unit for a retail box one, but still have the option of a white box replacement under warranty at no extra cost?Morale of story to everyone, don’t buy a cellular phone out of your own country if you read this.