Chosen Solution
Everything is in the title i have a logic board and when i was in the app store the phone is shutting down and he won’t start after this… the screen has black and stay black and when i connect all ping on the motherboard and i plug the USB On the pc, i have nothing and idk if the battery has out ? or the screen pin has out ? and my question is … For exemple iPhone without battery but with lightning cable or with a out of order battery can start ?
No, your iphone need a good battery to start up/ boot up. When you have no battery in the iphone XS the screen will be black and the phone is still of even when you plug it to a wall charger.
