When Bryant is tailing Vincent to the casino, her unmarked Ford Taurus has deeply tinted windows. When she pulls into the underground garage, her vehicle's windows aren't tinted.
When Novak's phone rings at the film's end, it shows a time of 2:14PM. Unless his body has been lying there for hours on end, it was sunrise only a few minutes earlier.
When the cop car flips at the film's end, the gas cylinder inducing the flip is visible and venting as the car is upside-down.
When David Harbour and Jamie Foxx are fighting in the spa, they both fall into the spa while fighting, and shortly afterward they both get calls on their cellphones. Jamie's character even looks at the ringing phone and it is still wet. The chances of both phones working would be next to none.
Throughout the film, the main characters are seen moving the drugs from location to location--there are supposed to be 23kg of cocaine--this is quite a weight, yet very little effort is used when moving the stash.
Jamie Foxx's character calls his son, who is hiding in the nightclub. Foxx is barely whispering, yet his son can hear him despite high-volumed club music. Foxx would need to yell into the phone to be heard.
By the form of packing and wrapping, It is obvious that the drug shipment is not cocaine.
When vehicles are on display at public places they will have their batteries removed to prevent someone from starting and driving the vehicle (as they did here).