Privacy Policy - Leo Nex

1. Introduction

Welcome to Leo Nex ("we," "our," or "us"). We are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, store, and protect information when you use our mobile application ("App").

Leo Nex is a mobile application designed for "Next-gen SMS control for IoT" devices. This App allows you to send SMS commands to IoT systems and manage your device configurations.

By using our App, you agree to the collection and use of information in accordance with this Privacy Policy. If you do not agree with our policies and practices, please do not use our App.

2. Information We Collect

2.1 Information You Provide

We collect the following information that you voluntarily provide when using the App:

Phone Numbers: Phone numbers you configure for sending SMS commands to IoT devices
Addresses: Physical addresses associated with configured phone numbers (optional)
User Preferences: Your selected user role (Manager, Technician, or Custom) and custom button configurations
SMS History: Logs of SMS messages sent through the App, including recipient numbers, message content, and timestamps

2.2 Device Information

The App may access the following device information:

Biometric Data: The App uses your device's biometric authentication (fingerprint, face recognition, or iris scan) for app security. We do not store or transmit your biometric data. Authentication is handled entirely by your device's operating system.
Device Lock Screen: The App may use your device's PIN, password, or pattern lock as an authentication method. This information is never accessed or stored by the App.

2.3 Automatically Collected Information

We do not automatically collect personal information such as:

Device identifiers (UDID, IMEI, etc.)
Location data
Network information
Usage analytics
Crash reports

3. How We Use Your Information

We use the information we collect solely for the following purposes:

App Functionality: To enable SMS command sending to your configured IoT devices
User Preferences: To remember your configured phone numbers, default settings, and custom button configurations
SMS History: To maintain a local log of sent SMS messages for your reference
Security: To authenticate your identity using biometric or device lock screen methods
User Experience: To personalize your app experience based on your selected role and preferences

                Important: We do not use your information for advertising, marketing, or any commercial purposes. We do not share, sell, or rent your information to third parties.
            

4. Data Storage and Security

4.1 Local Storage

All information collected by the App is stored locally on your device using secure storage mechanisms:

SharedPreferences: Used for storing phone numbers, addresses, user preferences, and SMS history
Device Secure Storage: Biometric authentication data is handled by your device's secure hardware and operating system

4.2 Data Security

We implement appropriate security measures to protect your information:

All data is stored locally on your device and is not transmitted to external servers
The App requires biometric authentication or device lock screen authentication before access
Data is stored using platform-provided secure storage mechanisms

4.3 No Cloud Storage

We do not store your data on cloud servers or external databases. All data remains on your device. If you uninstall the App, all stored data will be permanently deleted from your device.

5. Permissions and Access

The App requests the following permissions:

Permission	Purpose	Required
Biometric Authentication	To secure app access using fingerprint, face recognition, or iris scan	Yes
Device Lock Screen	Alternative authentication method (PIN, password, or pattern)	Yes
SMS (via URL Launcher)	To open your device's default SMS app for sending commands	Yes

                Note: The App does not have permission to read your SMS messages. It only opens your device's SMS app for you to send messages. The actual SMS sending is handled by your device's default SMS application.
            

6. Third-Party Services

The App uses the following third-party packages:

local_auth (v2.3.0): For biometric and device authentication. This package does not collect or transmit any data.
shared_preferences (v2.5.3): For local data storage. All data remains on your device.
url_launcher (v6.2.5): To open your device's SMS application. This package does not access or transmit any data.

These packages are used solely for app functionality and do not collect, store, or transmit your personal information to external servers.

7. Data Sharing and Disclosure

We do not share, sell, rent, or disclose your personal information to any third parties. This includes:

No data transmission to external servers
No sharing with advertisers or marketing companies
No sharing with analytics services
No sharing with social media platforms
No sharing with government agencies (unless required by law)

All your data remains on your device and is accessible only to you through the App.

8. Your Rights and Choices

You have the following rights regarding your information:

Access: You can view all stored data within the App (configured numbers, SMS history, settings)
Modification: You can edit or delete configured phone numbers and addresses at any time
Deletion: You can clear SMS history and remove all configured numbers
Uninstall: Uninstalling the App will permanently delete all stored data from your device
Authentication: You can choose to use biometric authentication or device lock screen authentication

9. Children's Privacy

Our App is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately.

10. Data Retention

We retain your information only for as long as necessary to provide the App's functionality:

Configured phone numbers and addresses: Retained until you delete them or uninstall the App
SMS history: Retained until you clear it or uninstall the App
User preferences: Retained until you change them or uninstall the App

When you uninstall the App, all data is permanently deleted from your device.

11. International Users

Since all data is stored locally on your device and not transmitted to external servers, this Privacy Policy applies regardless of your location. No data crosses international borders as part of the App's operation.

12. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by updating the "Last Updated" date at the top of this Privacy Policy. You are advised to review this Privacy Policy periodically for any changes.

Changes to this Privacy Policy are effective when they are posted on this page. Your continued use of the App after any changes constitutes your acceptance of the new Privacy Policy.

13. Compliance with Laws

We comply with applicable data protection laws, including:

General Data Protection Regulation (GDPR) - for users in the European Union
California Consumer Privacy Act (CCPA) - for users in California, USA
Other applicable local data protection laws

Since we do not collect, process, or transmit personal data to external servers, our compliance obligations are minimal. All data remains under your control on your device.

14. SMS and Communication

The App facilitates sending SMS messages to IoT devices:

The App opens your device's default SMS application
You manually send SMS messages through your device's SMS app
The App logs sent messages locally for your reference
Standard SMS charges from your mobile carrier apply
We are not responsible for SMS delivery or carrier charges

Important: The App does not have access to incoming SMS messages or your SMS inbox. It only opens the SMS app for sending messages.

15. Security Measures

We implement the following security measures:

Biometric authentication required on app launch
Device lock screen as fallback authentication
Local data storage using secure platform mechanisms
No network transmission of personal data
No external API calls or data synchronization

16. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:

App Name: Leo Nex
Developer: TechByLanz
Package ID: com.leosafety.leonex

For privacy-related inquiries, please reach out through the app store where you downloaded the App, or contact your system administrator if this App was provided through an enterprise distribution.

17. Acknowledgment

By using Leo Nex, you acknowledge that you have read and understood this Privacy Policy and agree to its terms. If you do not agree with any part of this Privacy Policy, please do not use the App.