iPhone X Help

[Elfuego]

I was going to help a friend to change the battery and screen on an iPhone X so I bought a new back and when I put in the Antenna they do not work. can you see if I missed anything or have I been cheated? First is original and THE other is where i have problem..

 

[Taz Mangus]

I would suggest using the iFixit website for help.

iPhone X — Search - iFixit

Repair your electronics yourself. iFixit is the repair manual you can edit. We sell tools, parts and upgrades for Apple Mac, iPod, iPhone, iPad, and MacBook as well as game consoles.

www.ifixit.com