The firmware update stopped or failed

Here are some troubleshooting steps to try out:

If the update process stops (or never finish),

1. Exit the firmware update app
2. Turn OFF Bluetooth on phone
3. Turn ON Bluetooth on phone
4. Plug USB power into scale (if already plugged in, Unplug, then plug back in)
5. Start App and retry the firmware update

If you have firmware 1.74 and you are trying to upgrade to 2.0, you may be seeing 0% in the progress bar. Please try the below steps.

1. Close app
2. Turn off Bluetooth
3. Plug the scale in and out to get out of Update mode.
4. Reopen the app and turn on Bluetooth
5. Power the scale back on, only a yellow light will appear.
6. Enter update mode manually (below video, starting at 0:16). Password is 0415.
7. Restart the process again.

https://youtu.be/DNXQLxqONIg?t=16s