In most cases, you will want to claim devices to your account. This step allows you to flash code over-the-air (OTA), and perform other operations from the cloud securely.
In order to claim a device, it must be online and breathing cyan. If it's still in listening mode, tap the RESET button on the device.
Use the particle device add
command and specify the Device ID (24-character hex) that you got in a previous step.
particle device add 1f00300016473532ffffffff
You may also want to name your device now.
particle device rename 1f00300016473532ffffffff "device-1"