Facts: The back housing is manufactured from plastic. The imprint on the back in the mobile phone is much less shiny than the Apple symbol above it. There is a SIM tray on the best side that retains a "second kind issue" (2FF) mini-SIM. The serial amount is printed to https://www.gillar.cz/klicova-ochrana-pro-vas-apple-iphone-16-pro-nejlepsi-tvrzena-skla-a-ochranne-folie/