This set of exterior case buttons includes the Power/Lock Button, Volume Buttons, and the Vibrate/Ring Switch for replacing buttons with cosmetic troubles.
These parts only replace the external button faces visible on the outside of the case.
The internal switches that do all the work are attached to the internal button cables.
Replace a bent or missing single SIM card tray for an iPhone XS Max.
This tray holds the nano SIM card and is inserted on the side of the phone.