You can simply scan the QR code or click the link BY YOUR DEVICE that you want to install to app on. For iPhone / iPad, you may search "Niimbot" in AppStore.

You just need to pair the Label Maker with your phone once. Next time they will be automatically connected when bluetooth on your phone and Label Maker are both ON

iOS:

Android:

You may simply scan the barcode image on the top of the label package to build a template

Press the power button for 3 seconds until you hear the sound and blue light goes off

Press the power button once to reprint the last label

You can also use it to calibrate the position of the label roll, it is useful when you insert a new label