Charging an iPhone X is a simple process that can be completed in a few minutes. To start, plug the iPhone X into an outlet and plug the charger into the wall. Once the charger is plugged in, hold down the power button and wait for it to charge the phone. The phone will automatically turn off after about 30 minutes have passed. To continue charging, hold down the power button and wait for it to charge again. The phone will now be fully charged and ready to use.