Chosen Solution
I changed all the componentes from the inside of the iphone to a new back cover but the iphone does not turn on, i checked all the components and all seem to be fine, any suggestion?
Can it connect to a PC? let us know what you have tried so we dont repeat what you have done
I would double check battery and power button contacts to make sure they are seated properly. Did you tear it down in a static free environment? With proper ground out?