SAMSUNG

Just go to Settings > "About phone". There you can see the name and model number of your Samsung phone.

iPHONE

  1. Open the "Settings" app
  1. At the top, you will see your Apple ID / iCloud ID profile picture and your name. Tap on it.
  1. Scroll down until you see your devices. The first device should be your iPhone; you will then see the name and model of your device.