Tesso is a comprehensive security device management application that allows you to control and monitor your Tesso security alarm systems via SMS commands.

KEY FEATURES:

• Multi-Device Management
Add and manage multiple Tesso security devices from a single app. Each device can be configured with a custom name, location, and phone number.

• ARM/DISARM Control
Full system control with ARM/DISARM functionality:
- Admin ARM/DISARM ALL - Control entire system
- Part 1 & Part 2 Control - Zone-based arming/disarming
- Real-time status updates via SMS

• Zone Management
Comprehensive zone configuration and monitoring:
- Monitor up to 20 zones per device (5 wired + 15 wireless)
- Configure zone modes (Normal/Disabled/SMS)
- View real-time zone status
- Part 1 and Part 2 zone groups

• Output/Input Control
Manage relay outputs and monitor digital inputs:
- Control 3 relay outputs (Momentary ON, Permanent ON, Permanent OFF)
- Monitor 2 digital inputs
- Real-time status display

• Advanced Settings
Configure device behavior:
- Set time/date synchronization
- Configure SMS reporting modes
- Chime control
- Custom relay functions
- Custom text messages

• Multi-SIM Support
Choose which SIM card to use for each device. Perfect for dual-SIM phones.

• Security Features
Protect your app with:
- PIN authentication
- Biometric authentication (fingerprint/face)
- Secure local data storage

• Bilingual Support
Full support for English and Persian (Farsi) languages with RTL layout support.

• Modern UI
Beautiful Material Design 3 interface with smooth animations and intuitive navigation.

HOW IT WORKS:

1. Add your Tesso security devices by entering the device phone number
2. Send control commands via SMS (ARM/DISARM, zone control, etc.)
3. Receive real-time status updates from your devices
4. Monitor zone states and device status in the app

PRIVACY & SECURITY:

• All data stored locally on your device
• No cloud services or data transmission
• No data sharing with third parties
• SMS only sent to devices you add
• SMS only received from registered devices

Perfect for home and business security system management.