Please download the cotx device app, use the cotx device app to bind the device that you want to upgrade, select helium-only-mode when binding. after successful binding, enter the device list. if the device has an upgradeable version, the upgrade button will appear, click on the upgrade button and follow the instructions to upgrade. Once the upgrade is successful, please delete the device while it is connected to the cotx device app, so that the device can continue to be used on the trackpac app with the new version.


1. Bind the device

2. Check the upgrade button in the device list

3. Click on the install button

4. Upgrade in progress

5. Upgrade is complete, the version number becomes new, the upgrade button disappears

6. In the state of Bluetooth connection, left slide the device bar, appears "delete" 

7. Click Delete to delete the device successfully