How Long To Charge A Dead Iphone. See whether its screen shows anything at any point as well as whether your phone will manage to boot up on its own. Take the USB-C to Lightning cable you received with your new iPhone.

This phone is the Sprint edition but should be the same for every. You might not need to do much to get your iPhone charging again. Take the USB-C to Lightning cable you received with your new iPhone.
We have two identically furnished copies of the iPhone 12 in iPhone 12 Pro used both of which have a battery capacity of 2815 mAh.
Fully charging your dead iPhone using your computers USB port takes anywhere from 90 minutes to all night depending on several factors. Try charging your iPhone but also keep your eye on it. I tried to charge it while I was in school but still unsuccessfully. It does not even show the charging icon when it is dead.
