Yes, you can use your old charger, but new iPhones no longer come with a charging adapter—only a USB-C to Lightning or USB-C to USB-C cable (depending on the model). If your old charger has a USB-A port, you'll need a compatible cable. However, older chargers may charge the phone slower, as they might not support fast charging. To get the best charging speed, use a 20W or higher USB-C... https://easyphones.co.in/?srsltid=AfmBOoruF8gXM7g1aalNGOyyG-SIX2-lHIEuVTUwbWQVxWwyJFDkG8fi