Assembly Instructions

a.If the upgrade fails and screen of the bracelet
is off, restart the APP and the mobile phone Bluetooth and open the APP to re-bind the device (iPhone
needs to ignore the Bluetooth device in the mobile phone settings), search bracelet device name is "DfuLang",
rebind and connect, upgrade again.
b. If the screen displays "×××", it means that the software program of the bracelet has been lost. Please
contact customer service for the after-sales service.
10. Clear data
After connecting on APP, click "Clear Data". This will clear all the data in the bracelet and power off. The
device password will be back to "0000".
Common problems:
First, solutions of bracelet bind failure:
1. When binding, you need to open Bluetooth, GPS positioning function and mobile phone network.
2. Check if the Bluetooth interface of the mobile phone has been paired. If it has been paired, please unpair it
first, then restart the bracelet and the research on APP.
Second, solutions of the Bluetooth frequency disconnect after the bracelet is bound:
1. Bluetooth frequency is disconnected because the APP background running is closed by the mobile smart
power saver. You can find the battery management through the mobile phone setting interface, and set it to
allow the background operation.
2. In order to avoid manually cleaning up the "RaceFit pro" app, please lock it in the background.