I'm eligible for a phone upgrade with verizon, if my iphone 6 has a scratch am i still able to turn it in or get some credit or something?

I'm eligible for a phone upgrade with verizon, if my iphone 6 has a scratch am i still able to turn it in or get some credit or something? - 1

No

You need to read the terms of any credit offer.
Or, you could actually CALL Verizon, or stop in at one of their stores. And ask them