Each Voucher code is only allowed on one device. In order to use the code another device you will have to follow the following steps:
1- Check your email for your receipt- subject will be "Your Receipt for WiFi Access SXMAirport"
2- Look for the line PIN and write down the code
3 - Logoff your device by going to the following link http://login.wifi/logoff

4 -On your new device go to the following link: https://sxmairport.tekieazi.com/loginbycode.aspx
5. Enter your code and click the button "Login"
6. Enjoy your WiFi on your other device