What is this wire?!
So recently I've posted a question about my Z3 not giving any display despite giving sound and that I've replaced the LCD and the main flex cable but that didn't fix my problem.
ifixit.com/Answers/View/282762/Screen+is+not+turning+on+despite+replacing+the+LCD%2C+Main+flex+cable
People answered me as you can see that it could be the connector on the main board that is causing the problem so I decided to take the main board off and expect it.. I have found that the last person who fixed the phone has soldered some thin wire on the main board.. I don't know what this wire is soldered to or what is supposed to be connected to on its other end! I don't even know if this wire has anything to do with the display problem I'm trying to solve!
here is a picture of the main board with the soldered wire
imgur.com/OqVvTp9
Esta é uma boa pergunta?