Download and open the abyx fit app from the google playstore or the appstore.

Login to your account or register for a new account if you do not have one

Once logged in go to the “Device” tab at the bottom of the screen. Press on “Add a new device”

Choose the “abyx fit hr” from the list of models

Now select your device from the list the pairing process will start immediately.

To finish the pairing process long press on the screen of your activity tracker and press pair in the app

In case the pairing process fails or you do not see your device after you press “add a new device” 

go to the bluetooth settings on your phone and press on “forget this device” and start the pairing process again.

To unpair the aby fit HR from your phone go to the device tab on the app and select unpair and then confirm to unpair the watch.