You do not need a PIN code to connect the iskn tablet to your devices: you only need to connect from Repaper Studio.
You usually experience this problem when you try to connect the iskn tablet:
Via Bluetooth to your computer.
Via your mobile's Bluetooth settings.
Look here to find the steps required to connect the iskn tablet :
If you have any questions, please contact us via the widget, at the bottom right of the page 😊