When Loker receives the second text from Cal he drags across the screen to open it. The iPhone does not provide this function as all texts from one sender appear in a continuous format in a vertical column. And when he opens the text it is on a blank background which should not have been the case.
In the opening shot in Mexico after Torres arrives at the hotel, there is a green and white Volkswagen beetle parked outside. Those cabs were only found in Mexico City and, while kept in circulation for a while, they were all discontinued by 2002.