The Bluetooth will automatically pair the acaia coffee scale with your iPhone when it’s turned on, if it doesn’t work, please follow these steps:
1. Make sure your iPhone is updated to iOS7 and above.
2. Make sure your iPhone is iPhone 5 / 5c / 5s and above. (Earlier versions will not work due to hardware compatibility)
3. In iPhone settings, turn on “Bluetooth”.
4. Power off the iPhone.
5. Power on the scale.
6. Power on the iPhone and run Acaia app.
7. Select the remote scale option in the left menu.
8. It should automatically pair with your scale, enjoy your brewing :)