Does shell come off when force dropped? Does screen get scratched without a screen protector

My turbo 2 has neither a screen protector or she'll case why does the newer phone require these extras sounds like a step backwards

The turbo 2 was supposed to battery last 48 hours and my experience I am luck to get 8 hours if I use it for a half hour over the eight. Can somebody who has had a turbo 2 try to assuage my fears on the Z2 force.?

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