Where can I buy stuffing to develop my smartphone?

Question

Design

A small hobby, we make our smartphone, we are interested in the following, where can I buy stuffing for a smartphone? There is a design prototype, it remains to be printed on a 3D printer. Or as an option to develop your own board?

Answer 1

Rip the smart, which is not a pity - here's the filling for you :)
At least look at how it works there.

Answer 2

The flea market, the radio market is full of bushy and non-working smartphones