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I had a case from day one too. Doesn't really protect the screen though. The shock propagated from one corner and cracked the screen; hence my theory of bad quality screen glass. Hopefully you'll be luckier!
They might've improved it, we'll see! My experience with my Nexus 5X is that with a case and glass screen protector, drops tend to crack the protector (though not catastrophically) but the screen stays intact. The new BQ also has a glass back though, which is more glass to break.
