For one, you don't need to have a SIM tray, many carriers offer eSIM and the number is only going up. Also, smartphones having better reception makes little sen

For one, you don't need to have a SIM tray, many carriers offer eSIM and the number is only going up. Also, smartphones having better reception makes little sense. They're smaller and hence have smaller antennas, if you design a laptop with similar design principles in mind it will have better reception no questions asked simply by virtue of having a bigger antenna.