Speaking of slimmer form factors, one of the other potential benefits by removing the 3.5 mm jack is that this will save a small amount of space. (androidauthority.com)
Now, there is only one display and not two — although the screen size and the new slimmer form factor certainly make up for the loss of the twin displays. (onemobilering.com)
Since the phone is fairly durable on its own, you can often get away with a more slim form factor for the case. (heavy.com)