Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Solity GT10BK Smart Digital Door Lock. Please read this manual thoroughly before installation and use to ensure proper function and security.
Product Overview
The Solity GT10BK is a smart digital door lock designed for enhanced home security and convenience. It offers multiple access methods and smart home integration capabilities.
Key Features:
- 5-in-1 Keyless Entry: Fingerprint, PIN codes, mobile app control, one-time codes, and traditional mechanical keys.
- Fast Fingerprint Recognition: Access in approximately 0.3 seconds.
- Auto-Lock Function: Adjustable auto-lock timer from 5 to 180 seconds.
- Seamless Smart Home Integration: Compatible with Amazon Alexa and SmartThings, no additional hub required.
- Durable Construction: IP54 certified for dust and water resistance, tested for 240-hour salt spray and 4500N deadbolt strength.
- Multilingual Voice Assistance: Supports English, Spanish, and French.
Product Components:

The package includes the exterior keypad assembly, interior thumb turn assembly, deadbolt mechanism, strike plate, mounting hardware, and two mechanical backup keys.
Setup and Installation
Door Compatibility Check:
Before installation, verify your door's dimensions to ensure compatibility. The GT10BK is designed for standard American doors.
- Door Thickness: 1-3/8" to 2" (35mm - 50mm)
- Backset: 2-3/8" or 2-3/4" (60mm or 70mm)
- Door Hole Diameter: 2-1/8" (54mm)

The lock is adaptable for both left and right-handed door orientations.
App Registration:
- Download the "SMART SOLITY" app from the Google Play Store or Apple App Store.
Download on the App Store | Get it on Google Play - Access the app and sign up for a new account.
- Follow the on-screen steps to complete the registration, including email verification.

Adding the Lock to the App:
- Tap the '+' button on the main page of the SMART SOLITY app.
- Follow the in-app instructions to reset and pair your smartphone with the door lock. The registration button is located under the battery cover of the interior lock body.
- Select the door lock in the app and ensure a stable Wi-Fi connection (2.4GHz frequency only) for successful pairing.
Operating Instructions
Access Methods:

- Fingerprint: Place a registered finger on the sensor for quick access. The lock supports up to 100 fingerprints.
- PIN Codes: Enter a registered PIN code on the touchscreen keypad. The anti-peeping password feature allows you to enter random digits before or after your actual PIN to prevent unauthorized viewing.
- Mobile App: Use the SMART SOLITY app to remotely lock or unlock the door.
- One-Time Codes: Generate temporary access codes via the app for guests or service providers.
- Mechanical Key: Use the provided backup keys for manual unlocking in case of battery depletion or system malfunction.
Auto-Lock Features and Silent Mode:

- Timed Auto-Lock: The lock can be configured to automatically lock after a set period (5-180 seconds) once the door is closed.
- Door Sensor Instant Lock: With the magnetic door sensor installed, the lock detects when the door is closed and locks instantly.
- Silent Mode: Activate silent mode for noise-free operation, useful during quiet hours.
Remote App Management:

- Access Method Management: Add, modify, or delete fingerprints and PIN codes.
- Log Records: View a detailed history of lock activity, including unlock times and methods.
- User Management: Grant or revoke access permissions for various users, including scheduled or one-time access.
Multilingual Voice Assistance:

The lock provides voice prompts and feedback in English, Spanish, and French for various operations and status updates.
Maintenance
Battery Management:
- The lock requires 4 AA alkaline batteries.
- Monitor battery status via the in-app battery indicator.
- The lock will provide a low battery alert when replacement is needed. Replace all four batteries simultaneously with new alkaline batteries.
Cleaning and Care:
Clean the lock's exterior surfaces with a soft, damp cloth. Avoid abrasive cleaners or solvents that could damage the finish or electronic components.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock not responding / No power | Depleted batteries. | Replace all 4 AA alkaline batteries. Use the mechanical key for immediate access. |
| Fingerprint not recognized | Finger placement incorrect, sensor dirty, or fingerprint not properly registered. | Ensure finger covers the sensor completely. Clean the sensor. Re-register fingerprint if issues persist. |
| App connection issues | Weak Wi-Fi signal, incorrect Wi-Fi frequency (only 2.4GHz supported), or app malfunction. | Ensure your router is broadcasting a 2.4GHz signal. Move closer to the router. Restart the app or your phone. Check for app updates. |
| Alexa/SmartThings integration failure | Missing skill, incorrect setup, or network issues. | Ensure the "SMART SOLITY" skill is enabled in your Alexa or SmartThings app. Follow the integration steps carefully. Verify network connectivity. |
| Lock randomly activates or gives "input time expired" message | Potential internal malfunction or sensor issue. | Perform a factory reset (refer to the full manual for specific steps). If the issue persists, contact customer support. |
Specifications
| Feature | Detail |
|---|---|
| Brand | SOLITY |
| Model Name | GT10BK |
| Lock Type | Biometric, Combination Lock, Deadbolt, Keypad |
| Material | Zinc |
| Dimensions (L x W x H) | 11.1 x 5.51 x 4.84 inches |
| Item Weight | 4.73 pounds (2.15 Kilograms) |
| Power Source | 4 AA Alkaline Batteries (not included) |
| Special Features | Anti-Peeping Password, Back-Lit Keypad, Battery Indicator, Fingerprint, Weather Resistant (IP54) |
| Control Method | App, Remote, Touch |
| Operating Temperature Range | -31°F (-35°C) to 151°F (66°C) |
| Durability Standards | ANSI Grade 2, IP54 Weatherproof, 240-hour Salt Spray Test, 4500N Deadbolt Strength |
Warranty and Support
SOLITY provides dedicated customer service to assist with any inquiries or support needs. For assistance, please refer to the contact information provided with your product packaging or visit the official SOLITY website.
The product is backed by a commitment to reliability, with support available around the clock.




