1. Product Overview
The GeekTale Fingerprint Deadbolt Smart Lock (Model F08) offers advanced security and convenient keyless entry for your home or office. This smart lock integrates multiple unlocking methods, including fingerprint recognition, mobile application control, and traditional physical keys, providing flexible access solutions. Its robust design and intelligent features ensure reliable performance and enhanced security.
Key Features:
- Fingerprint Recognition: High-accuracy scanner for one-touch unlocking, supporting up to 50 unique user profiles.
- App Control: Manage users, unlock via Bluetooth within 10 meters, and review access logs through a dedicated mobile application.
- Remote Control Capability: When paired with a separately sold gateway, enables remote unlocking and real-time notifications.
- Built-in Rechargeable Battery: Provides up to 8 months of use on a 2-hour charge, with low-battery alerts and emergency USB power access.
- Universal Application: Suitable for various doors, including front doors, garage doors, and office doors.

Image 1.1: The GeekTale Fingerprint Deadbolt Smart Lock, showcasing its sleek black square design and integrated fingerprint sensor.

Image 1.2: Illustration of the three primary unlocking methods: App Unlock, Fingerprint Unlock, and Key Unlock.

Image 1.3: Demonstrates the rapid 0.3-second fingerprint recognition speed for quick access.

Image 1.4: Overview of the smart app interface for managing users, Bluetooth unlocking, viewing records, and remote unlocking (gateway sold separately).

Image 1.5: Examples of suitable locations for installation, including front doors, garages, offices, and backyards.
Video 1.1: Demonstrates the three unlocking methods of the F08 Deadbolt Lock: Fingerprint, App, and Key. This video also shows the low battery alert and charging process.
2. Safety Information
Please read all safety instructions carefully before installation and use. Failure to follow these instructions may result in damage to the product, property, or personal injury.
- Do not expose the lock to direct rain or extreme weather conditions if installed outdoors without proper cover.
- Use only the specified charging cable and power source for recharging the battery.
- Keep backup keys in a secure location outside the property.
- Ensure the door frame and door are structurally sound before installation.
- Avoid using abrasive cleaners or solvents on the lock's surface.
3. Package Contents
Verify that all components are present before beginning installation:
- GeekTale Fingerprint Deadbolt Smart Lock (Main Unit)
- Keys (2 back-up keys included)
- Installation Hardware (screws, strike plate, etc.)
- User Manual (this document)
- USB Charging Cable
4. Setup (Installation Guide)
Follow these steps to install your GeekTale Fingerprint Deadbolt Smart Lock. It is recommended to watch the installation video if available or consult a professional if unsure.
4.1 Door Preparation:
Ensure your door meets the following specifications:
- Door Hole Diameter: 2-1/8 inches (54mm)
- Door Thickness: 1-3/8 inches to 2-1/8 inches (35mm to 54mm)
- Backset: Adjustable for 2-3/4 inches (70mm) or 2-3/8 inches (60mm). If your backset is 2-3/4 inches (70mm), pull out the face plate to extend.

Image 4.1: Detailed diagram illustrating the required door dimensions for proper installation.
4.2 Installation Steps:
- Install the latch bolt into the door edge, ensuring the correct backset is selected.
- Install the exterior assembly, feeding the cable through the door hole.
- Install the interior mounting plate.
- Connect the cable from the exterior assembly to the interior assembly.
- Secure the interior assembly to the mounting plate.
- Test the lock's operation with a physical key to ensure smooth movement.
5. Operating Instructions
The GeekTale Smart Lock offers multiple convenient ways to lock and unlock your door.
5.1 Fingerprint Unlock:
To unlock using your fingerprint:
- Place your registered finger on the fingerprint sensor.
- The lock will illuminate green upon successful recognition.
- Twist the deadbolt knob to unlock the door.
To register fingerprints, use the dedicated mobile application (see Section 5.2).
5.2 App Control (Bluetooth & Remote Unlock):
Download the GeekTale app from your smartphone's app store. Follow the in-app instructions to pair your lock via Bluetooth.
- Bluetooth Unlock: Open the app within 10 meters of the lock and tap the unlock icon.
- User Management: Add or delete fingerprints and other user access permissions directly from the app.
- Access Logs: View a history of lock and unlock events.
- Remote Unlock (Gateway Required): For remote unlocking functionality, a GeekTale gateway (sold separately) is required. Pair the gateway with your lock and connect it to your home Wi-Fi network. This enables unlocking from anywhere with an internet connection and real-time status notifications.

Image 5.1: Illustrates the remote unlock feature when the smart lock is connected to a GeekTale Gateway (sold separately).
5.3 Key Unlock:
In case of battery depletion or other issues, you can always use the provided physical keys.
- Insert the key into the keyhole.
- Turn the key to unlock the deadbolt.
5.4 Locking and Unlocking:

Image 5.2: Visual guide for twisting the knob to unlock after a successful scan and twisting to lock the deadbolt.
To Unlock: After successful fingerprint scan or app unlock, manually twist the deadbolt knob to retract the bolt.
To Lock: Manually twist the deadbolt knob to extend the bolt. The lock will automatically engage.
6. Battery and Charging (Maintenance)
The GeekTale Smart Lock is equipped with a built-in rechargeable Lithium-Ion battery designed for long-lasting performance.
6.1 Battery Life:
A full charge (approximately 2 hours) can provide up to 8 months of typical use.
6.2 Low Battery Alert:
The lock will provide visual and/or audible alerts when the battery level is low, indicating that charging is required soon.
6.3 Charging:
To charge the lock, connect the provided USB charging cable to the charging port on the lock and a standard USB power source. A full charge takes approximately 30 minutes for 8 months of use.

Image 6.1: Information on the built-in rechargeable battery, including charging time and battery life, along with a visual of the low battery alert.
7. General Maintenance
To ensure the longevity and optimal performance of your GeekTale Smart Lock, follow these maintenance guidelines:
- Cleaning: Wipe the lock's surface with a soft, dry cloth. Do not use harsh chemicals, abrasive cleaners, or polishes.
- Environmental Protection: While durable, for exterior doors, it is recommended to install the lock under covered entries (e.g., porches) to avoid direct exposure to heavy rain or prolonged sunlight.
- Battery Care: Recharge the battery promptly when low battery alerts are indicated. Avoid completely draining the battery frequently.
8. Troubleshooting
If you encounter issues with your GeekTale Smart Lock, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Fingerprint not recognized. | Finger wet/dirty, unregistered fingerprint, sensor issue. | Ensure finger is clean and dry. Re-register fingerprint if necessary. Clean sensor. |
| Lock does not respond. | Low battery, complete battery drain. | Charge the lock via USB. Use backup key to open. |
| App cannot connect to lock. | Bluetooth off, lock too far, app glitch. | Ensure Bluetooth is on. Move closer to the lock. Restart app/phone. |
| Remote unlock not working. | Gateway not connected, internet issue. | Verify gateway is powered on and connected to Wi-Fi. Check internet connection. |
If the problem persists after trying these solutions, please contact GeekTale customer support.
9. Specifications
Detailed technical specifications for the GeekTale Fingerprint Deadbolt Smart Lock (Model F08):
| Specification | Detail |
|---|---|
| Brand | GeekTale |
| Model Name | F08 |
| Lock Type | Deadbolt Smart Lock |
| Material | Aluminum |
| Color | Black |
| Item Dimensions (L x W x H) | 2.67 x 2.67 x 1.87 inches |
| Item Weight | 1.39 pounds |
| Power Source | 1 Lithium Ion battery (included) |
| Connectivity Protocol | Bluetooth |
| Control Method | App, Touch (Fingerprint), Mechanical Knob |
| Special Features | Fingerprint Deadbolt, Smart Deadbolt Lock, Fingerprint Door Lock, Smart Door Lock, Keyless Entry Door Lock |
| Recommended Uses | Front doors, entry doors, garage doors |
10. Warranty and Support
GeekTale products are designed for reliability and performance. For specific warranty details, please refer to the warranty card included with your product or visit the official GeekTale website.
Customer Support:
If you require assistance with installation, operation, or troubleshooting, please contact GeekTale customer support through the following channels:
- Website: Visit the official GeekTale website for FAQs and support resources.
- Email: Refer to your product packaging or the GeekTale website for support email addresses.
- Phone: Contact numbers may be available on the official website for direct assistance.
Please have your product model (F08) and purchase information ready when contacting support.