iOS SDK Integrations

Here are answers to the most common questions we get from customers pairing devices with our iOS SDK.

• Press the power on button to restart your device.
• See if you can find the device’s “Serial Number” (Shown on the back of the device) in the “Scanned Device List” of your smartphone or tablet.

• Press the power-on button to turn the device on again. When restarted, the device will automatically connect with your smartphone or tablet again.
• The device may be low on battery. Use the USB cable to recharge it, then retry.
• Make sure the device is in the reception range of the smartphone or tablet you’re trying to connect to.

• Check to make sure the Bluetooth® function for your smartphone or tablet is turned on.
• Check to make sure the operating system version is supported for the device you’re using.

• Press the power on button to turn the device on again. When restarted, the device will automatically connect with your smartphone or tablet again.
• The device may be low on battery. Use the USB cable to recharge it, then retry.
• Make sure the device is in the reception range of the smartphone or tablet you’re trying to connect to.

1. Verify that your phone or tablet is a supported model for your device.
2. Check to make sure the device has power and is connected.
3. Follow the application instructions to insert or tap the card.
4. Make sure there’s nothing obstructing the card slot.
5. Insert the card slowly to ensure it gets properly seated in the card slot.
6. Make sure the card chip is facing the right direction when inserted.

1. Verify that the card supports NFC payment.
2. Take the NFC payment card out of your wallet or purse to avoid interference.
3. Make sure to place the card no more than 4 cm/1.5 in above the NFC marking.

Reboot the device by pressing the reset button at the bottom with a paperclip.