Nexus 4 16 GB sold out: http://www.droid-life.com/2013/09/16/nexus-4-16gb-now-sold-out-through-google-play-as-well/
Will they skip replenishing the 16GB stock like they skipped replenishing the 8GB stock?
And if so, can Nexus 5 be that far off?
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I believe there are dual speakers on the bottom curve of the device. Check out this render. I've circled where the speakers are. Turn up your brightness setting and you'll see them. That's my guess:
Image
Perfect! Thanks for pointing that out in the render. Yes, if they are taking designs cues from the nexus 7 (clearly they are) then your guess would be spot on.