To complete the upgrade you need to use Android phone or tablet.
Yes, you can use original Ninebot - Segway app after Swallowbot upgrade is installed.
Yes, if you are not happy with the upgrade you can rollback to the original firmware.
Swallowbot upgrade does not affect GoKart mode. This upgrade has been made for the stand alone self-balancing ride mode.
After you placed the order you will be able to schedule the upgrade session using the calendar option. We will assist you during the process through WhatsApp, Telegram or Google meet.
If you can not get access to an Android device and need to upgrade your Ninebot S or Segway miniPRO, youc an purchase a replacement control board with the Swalllowbot firmware preinstaled. The link to this product is HERE