I WATCHED A UTUBE VID, THAT SHOWED A TECH DISASSEMBLE TWO IPHONE 12’S... HE WAS UNABLE TO SWAPS ANY PARTS FROM THE TWO PHONES WITHOUT DISRUPTING FUNCTIONALITY.... PUT ORIGINAL PARTS BACK AND BOTH PHONES WORKED JUST FINE...
HOW DOES APPLE IDENTIFY SPECIFIC PARTS TO A SPECIFIC PHONE ?
HOW DOES APPLE IDENTIFY SPECIFIC PARTS TO A SPECIFIC PHONE ?