I dropped my iphone 7+, flashlight and back camera doesn't work (black screen). What part of the phone broke? How much will this cost

I dropped my iphone 7+, flashlight and back camera doesn't work (black screen). What part of the phone broke? How much will this cost

Lol

No telling until the repair shop opens the phone. Could be as simple as a loose connection or as bad as a cracked motherboard. So have Apple give you an estimate, as well as a couple of local cell phone repair shops. Costs nothing (at most places) to get an estimate, which you want to ask up front, if there's a charge for an estimate on repairs.