Chosen Solution
I took the logic board from a busted iPhone 5s (same carrier) and put it in my other 5s that is blacklisted. after reassembly it no longer powers on. I have since then put the old logic board back into the phone , but the no power issue remains
Check your connections. Make sure everything is plugged in properly. What happens when you plug it into a charger? iPhone 5s Teardown
