I recently repaired a 5C, doing my first screen replacement on one of these models. Replaced the screen and LCD assembly...

I have several 3GS' in various states of repair. One has a functioning LCD and digitizer, but the connection on the #1...

I have a 9630 with a bent/mangled charging port. My 40W soldering iron can't seem to heat up the points on the board...

I have a 16GB 3GS that had a cracked back casing and broken vibrate switch. It worked fine otherwise. I took out the main...

If you have it connected and the phone will not power up, it may in fact still be the same connection. If it is loose/not done properly, the screen will not turn on. It's happened to me a million times- take it apart again and retry the #3. Make sure it is in far enough (but not too far).