SmartTapp Privacy Policy

Effective Date: October 22, 2026

Introduction

Welcome to SmartTapp. This Privacy Policy is formulated by Shanghai Lvdonic Technology Co., Ltd. (hereinafter referred to as "we," "us," or "our") and applies to your access to and use of SmartTapp (hereinafter referred to as "The Application") developed by us and the accompanying smart hardware "Smart In-Vehicle Knob Device" (hereinafter referred to as the "Knob Device"). We fully recognize the importance of privacy protection and adhere to the principles of minimal and necessary processing, endeavoring to protect the security and reliability of your personal information. By clicking "Agree" or actually using The Application or Knob Device, you indicate that you have fully understood and agreed to this Policy (including any updated versions thereof).

I. How We Collect and Use Your Information

1. For special note, The Application does not provide account registration/login functions and does not collect personal information such as your name, mobile phone number, identification card number, or location tracking.

2. In order to provide you with services including Knob Device identification, connection, and firmware upgrades, The Application requires the following system permissions of your mobile device when you use specific functions:

(1) Bluetooth: Used to search for, connect to, and bind your Knob Device, and to deliver configuration data required for the corresponding functions of the Knob Device.

(2) Camera: Used to scan and identify your vehicle's VIN code to enable the binding connection between the Knob Device and the vehicle. We do not collect, upload, or store any photographs or images.

(3) Local Network: Used to deliver firmware upgrade data packages during firmware updates.

3. In order to enable the connection between your Knob Device and the vehicle, you are required to proactively provide or scan the vehicle VIN code information via your mobile device. Such vehicle VIN code information shall be used solely for authentication and verification purposes.

4. In order to enable the upgrade and update of your Knob Device, when you use the firmware upgrade service function, we will collect the device serial number and firmware version number of the Knob Device and complete verification on the cloud server in real time to determine whether a firmware update is available. Such device serial number and firmware version number information shall not be associated with any of your natural person identity information and shall not be used for advertising or user tracking purposes.

II. How We Store and Protect Your Information

1. Storage Location: Data generated during the use of The Application shall be stored locally on your mobile device in the course of your use. Vehicle VIN code information shall be stored locally on the Knob Device.

2. Storage Period: Data stored locally on the device shall be retained until you clear the relevant data in your mobile system or within the Knob Device.

3. We adopt security measures including transmission encryption and access control to safeguard your data security. At the technical level, we employ encryption technology to protect information transmission between devices and utilize security protection mechanisms to prevent information from being subjected to malicious attacks. At the management level, we implement internal access control and employee privacy protection training. Our employees have no authority to access your local data.

III. How We Share, Transfer, and Disclose Your Information

We will not share, transfer, or publicly disclose your information with any third party, except where your explicit consent is obtained, or where sharing or disclosure is required in accordance with laws and regulations or mandatory requirements of judicial authorities or administrative regulatory authorities. The Application does not integrate any advertising SDK, data analytics SDK, or social sharing SDK.

IV. Your Rights

1. You may, at any time, disable the Bluetooth or camera permissions of The Application in the "Settings" of your mobile operating system. Please note, however, that disabling or withdrawing the corresponding permission authorization may result in the unavailability of the relevant functions.

2. You may clear the information of The Application stored locally on your mobile device by uninstalling The Application.

3. You may clear the local information stored within the Knob Device by performing a factory reset on the Knob Device.

V. Updates to This Policy

We may update this Privacy Policy in response to changes in laws and regulations, upgrades to the functions of The Application, or privacy protection requirements. In the event of any material changes to this Policy, we will publish them within The Application and notify you by means of pop-up windows, push notifications, or other methods. We encourage you to periodically review this Policy when using The Application. If you do not agree to the updated Privacy Policy, you may choose to cease using The Application. Your continued use of The Application shall constitute your acceptance of the updated Privacy Policy.

VI. Protection of Minors

If you are a minor, we require that you request your guardian to carefully read this Privacy Policy and that you use The Application or provide information to us only with the consent of your guardian.

VII. Contact Us

If you have any questions, comments, or suggestions regarding this Privacy Policy, you may contact us through the following means:

Address: Floor 1, Building 2, No. 18 Fangsi Highway, Sijing Town, Songjiang District, Shanghai, PRC

Email: dev@lvdonic.com

We will verify and respond within 15 business days after receiving your feedback.