Defect iphone stuck setup screen

[Nuctorn]

Hi, i want to buy a defect iphone cheap if its easy to repair yourself. It has got the following issue:

The phone starts until the setup screen. But then i have to connect to itunes and it doesn't work.

Someone got experience with this problem?
thnx

 

[TriJetHero]

What does it say after you connect it to itunes?