Privacy Policy for Tesso App
Last Updated: January 2025
Introduction
Tesso (“we”, “our”, or “us”) is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard information when you use our Tesso mobile application (the “App”).
- Device Names: You provide custom names for your security devices
- Device Phone Numbers: Phone numbers of your security devices for SMS communication
- Device Locations: Physical locations you assign to devices
- Device Passwords: Passwords for your security devices (stored locally, encrypted)
SMS Data
- SMS Messages: The App receives SMS messages from your registered security devices
- SMS Content: Status updates, zone information, and device responses
- SMS Metadata: Timestamps of received messages
App Settings
- Language Preference: Your selected language (English or Persian)
- SIM Card Selection: Your preferred SIM card for each device
- Security Settings: App PIN and biometric authentication preferences
Device Control
- Send SMS commands to your security devices based on your actions
- Process and display device status information
- Manage device configurations and settings
App Functionality
- Store your device configurations locally on your device
- Remember your preferences (language, SIM selection)
- Provide security features (PIN/biometric authentication)
Communication
- Receive and process SMS messages from your registered devices only
- Display real-time status updates in the app interface
- Parse device responses and update device states
Data Storage
Local Storage Only
- All data is stored locally on your device using Android’s Room database
- No cloud storage: We do not upload your data to any servers
- No data transmission: Your device information never leaves your device
Data Security
- Device passwords are stored in encrypted format using Android’s SharedPreferences
- App PIN is stored securely using Android’s security APIs
- Database is protected by Android’s app sandbox
Data Sharing
We do NOT share your data with anyone:
- ❌ No third-party services
- ❌ No analytics companies
- ❌ No advertising networks
- ❌ No cloud services
- ✅ All data stays on your device
Permissions Used
SMS Permissions
SEND_SMS Permission:
- To send control commands to your security devices
- Only sends SMS to devices you explicitly add
- You control when SMS is sent through app actions
RECEIVE_SMS Permission:
- To receive status updates from your registered devices
- Only processes SMS from devices you’ve added
- Automatically updates device status in the app
READ_SMS Permission:
- To read and parse SMS content from your devices
- Only reads SMS from registered device numbers
- Used to extract device status and zone information
Phone State Permission (READ_PHONE_STATE)
Why We Need This Permission:
- To detect and list available SIM cards on your device
- To allow you to choose which SIM card to use for each security device
- Essential for multi-SIM support (dual-SIM phones)
What We Access:
- SIM card information (to display available SIM cards)
- Subscription IDs (to identify which SIM card to use)
What We Do NOT Access:
- ❌ We do NOT read your phone number
- ❌ We do NOT read your IMEI or device identifiers
- ❌ We do NOT access your call logs
- ❌ We do NOT track your location via phone state
How We Use It:
- When you send an SMS command, we detect available SIM cards
- You choose which SIM card to use for that device
- We remember your preference for future messages
- All information stays on your device
Permission Usage Summary
- No spam: We never send unsolicited messages
- No unauthorized access: We only receive SMS from your registered devices
- User control: You decide which devices to add and when to send commands
- No data collection: All data is processed locally and not transmitted
- Limited phone state access: Only used for SIM card detection, not personal information
Your Rights
Access Your Data
- View all your devices in the app
- See device status and message history
- Access app settings and preferences
Delete Your Data
- Remove devices from the app (deletes device data)
- Clear app data through Android settings
- Uninstall the app to remove all data
Control Your Data
- Add or remove devices at any time
- Change device passwords and settings
- Modify app preferences
Children’s Privacy
Our App is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13.
Security
We implement appropriate security measures to protect your information:
- Local database encryption
- Secure password storage
- App sandbox protection
- No network transmission of sensitive data
Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by:
- Updating the “Last Updated” date
- Posting the new Privacy Policy in the app
- Notifying you through app updates
If you have questions about this Privacy Policy, please contact us at:
- Email: mehdisehati.uk@gmail.com
- Website: MicroDroidPrj.ir
Consent
By using the Tesso App, you consent to this Privacy Policy and agree to its terms.