The temperature of the sensor can be uploaded using Bluetooth/NFC.

■ Sensor data upload
1) Bluetooth
: Data is periodically scanned using Bluetooth and transmitted to the server.

2) NFC
: Data is transmitted through tagging through NFC of the temperature sensor and NFC function of the smartphone.

[Guidance on access rights]
Cold Track accesses the following rights to provide high-quality services, and all information acquired through access rights is kept secure through encryption and is not used for purposes other than service provision.

1) Camera
- QR code recognition

2) location
- Access precise location (GPS and network based)
- Access your approximate location (network-based)

3) Nearby devices
- scan the sensor

4) Notification
- Service setting notification

5) Background battery optimization
- Seamless background service

6) Other
- Full network access
- Run at startup
- Set the phone not to go to sleep mode
- Access Bluetooth settings
- View network connections
- View Wi-Fi connections
- Vibration control
- Wi-Fi connection and disconnection
- Full network access
- Change network connection
- Pairing with a Bluetooth device
- NFC control
- Read badge notifications
- Vibration control
- Change audio settings

※ If the app does not operate normally, we recommend deleting and reinstalling the app.