You should be able to find the SN inside of the printer compartment behind the paper roll. Be sure to remove the paper to see the sticker.

1. Start from the Aura or credit sale screen.
2. Select the circle icon on the bottom of screen.
3. Select Settings
4. Select the 3 bar icon in the top right corner of the screen.
5. Select About POS
6. Scroll down and select Status
7. Serial number should be in this menu, starting with WP.

1. Press the home button (Circle in the middle at the bottom)
2. Go to Settings
3. Select About POS
4. Select POS Configuration