The iPhone X has the same amount of speaker holes on each side of the lightning port at the bottom and the XS has 3 on one side and 6 or 7 on the other side. That’s really the only way to tell them apart. - iPhone X
iPhone Xs Max Teardown - Is there any Thermal Cooling?
iPhone X Teardown - iFixit
iPhone X Teardown - iFixit
iFixit iPhone 11 Pro Max Teardown Hints at Unimplemented Bilateral Wireless Charging Feature [Updated]
iPhone X Teardown - iFixit
iPhone XS and XS Max Teardown - iFixit
iPhone XS Max Teardown #Disassembly#
SOLVED: How to tell iPhone X apart from XS? - iPhone X - iFixit
iPhone XS and XS Max Teardown - iFixit
Does the iPhone X have a bigger screen than iPhone 6 Plus? - Quora
iFixit says Apple's new iPhones have a software lock to prevent
iPhone X Teardown - iFixit