Charging the iPhone12 on the computer will not damage the phone, the charging port of the iPhone12 is lightning Lightning port, so all iPhone12 models will be equipped with Lightning cable. In addition to charging the iphone12 via USB connection to a computer or power adapter, you can also use wireless charging technology to charge the phone. The wireless charging technologies available for the iphone12 are MagSafe wireless charging (up to 15 watts) and Qi Wireless charging (up to 7.5 watts).