Getting hooked on keeping our family iPhone fleet up and running.
I had a similar problem as I was back tracking steps to perform something I missed and actually broken the power and sensor cable (the one that is connected to the digital board first during re-installation. A secondary order and another 20 minutes took care of it. Glad you were able to not hit that barrier.
I had some problems with the cellular cable during re-installation. It actually had gotten scratched to where the wire was actually worn and the silver cable was visible. I discovered this once it was all closed and the phone's cellular status was always "Searching...". A little bit of electrical tape over the exposed area seemed to take care of this.