Troubleshoot dead iPhone 6
Someone gave me a cracked dead iPhone 6. There was limited info as to how it got damaged. I replaced the screen. Still dead. Replaced the battery, still dead. This thing is completely dead, nothing.
Since I have a nice new test phone to play with, anyone have any tips as to how to bring this thing back to life?
I looked under a mag glass and don't see any frank water damage, just extremely dusty. I am planning on taking it all apart and cleaning it completely.