- Quit the payment application by tapping on "X" from the left angle
- Click on "three dots" from the right angle
- Choose "other apps"
- Click on "device config"
- Your terminal's serial number is next to "SN"
- Quit the payment application by tapping on "X" from the left angle
- Click on "three dots" from the right angle
- Choose "other apps"
- Click on "device config"
- Your terminal's serial number is next to "SN"