Hello, thanks for your request to upgrade your HoloPort Nano.
Please select the model of HoloPort you would like to upgrade to. We also require you to enter your original Store Order ID, which can be found on your email receipt.
You will be asked for your billing address upon checkout, but your shipping address will remain as the one used for you original purchase. Should you wish to update your shipping address, please contact us at email@example.com.
This upgrade includes a $10 fee for additional shipping weight.