Restarting Kardi Ai
In case of technical difficulties with the Kardi Ai app, a restart of the app may be necessary. Follow these steps:

Make sure you have the latest version of the Kardi Ai
app installed.
-
Disconnect the chest strap.
- Open the Kardi Ai
app. - Click on the Settings tab.
- Proceed to About the app.
- Press the Disconnect app button.
- Close the app.
- Open the Kardi Ai
-
Uninstall the Kardi Ai app
.Hold the app icon and select the option to delete/remove the app.
-
Check Bluetooth.
Make sure the sensor is not in the list of devices.
-
Check the battery.
- The metal contact plate for the battery must not be damaged.
- The inserted battery must have the negative pole facing out.
- The battery must be a Panasonic or Duracell brand.
- The battery cover seal must not be damaged.
- The battery cover must be carefully snapped into place.
-
Install the Kardi Ai app
.Download the app from the Apple App Store, Google Play Store or Huawei AppGallery.
-
Pair the chest strap and the app.
- Log in using the
QR code located inside the Kardi Ai kit
(the QR code can be sent to your email using the LOST CODE RECOVERY function). - Allow access to Bluetooth, location, and notifications.
- Active
internet connection via Wi-Fi or mobile data is required for pairing.
- Log in using the
-
Check the connection.
Snap the sensor onto the chest strap and attach it to your chest.
After a successful connection, the READY TO RECORDING message will appear in the app.
Contact Kardi Ai customer support
☎️ +420 779 998 100
✉️ support@kardi.ai