Before you can pair a device you need to set up an account first. See instructions for this: 

How to set up an account in My TANITA App?

When you have paired a device before and measurements are stored in the app, but you are unable to pair now, or if you are using a new phone, check:

Or follow the step-by-step instructions below:
- Check for updates in the App store or Play store, and install available updates.

- Enable Bluetooth on your phone, then leave the Bluetooth settings alone on your phone and continue in the app.

- Open the My TANITA app.

- Go to the 'my devices' tab in the menu.

- Delete (all) the paired device(s) by clicking on the trash can icon. Your measurement data will be stored.

- Go to the 'my measurements' tab in the menu.

- Press the '+ measurement' button on the bottom.

- Select the right type of device in the top, if it doesn't show the right one.

- Press on 'start measurement'.

- Press 'start pairing'.

- Press and hold the 'set/pairing' / ‘O’ button on your device (do not turn the scale on first).

- When the connection is made, follow the instructions on the app.

Make sure that shoes and socks are off, feet are dry and that the device is on a hard and flat surface (no carpet).

See attachment for step by step guide with screen shots of the app

If your device is unable to make a connection with your phone after following these steps, try deleting the whole app from your phone and reinstalling it.

If your device still is unable to make a connection with your phone after following these steps, try replacing the batteries of the scale with new ones. Sometimes the signal gets too weak when the batteries run low and replacing the batteries can resolve this issue

When it's the first time you want to pair your device with your phone, check:

Or follow the step-by-step instructions below:

- Download and install the My Tanita app on your smartphone or tablet.

- Create an account and a user profile in the app.

- Enable Bluetooth on your phone, then leave the Bluetooth settings alone on your phone and continue in the app.

- Open the My Tanita app and press 'pair my device'.

- Select the type of device with which you want to pair.

- When you have selected the right device, press 'start pairing'.

- Press and hold the 'set/pairing' / ‘O’ button on the device (do not turn the scale on first).

- When the connection is made, follow the instructions on the app.

Make sure that shoes and socks are off, feet are dry and that the device is on a hard and flat surface (no carpet).

See attachment for step by step guide with screen shots of the app