Phone is dead after I dropped it. What do I do?

Hi

I dropped my Fairphone, and it is now dead. What could be the fault and how do I know what to look for?

Update (04/22/2016)

It was the battery. Replaced it, phone fixed. Never is it usually that easy.

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crwdns2889612:0crwdne2889612:0 0

crwdns2942205:01crwdne2942205:0:

It was the battery. Replaced battery, phone works.

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