Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your HEANTLE Fingerprint Smart Deadbolt. Please read this manual thoroughly before installation and use to ensure proper function and safety.

Image: The HEANTLE Fingerprint Smart Deadbolt, showcasing its keypad, fingerprint sensor, and accompanying mobile application interface, along with two IC fobs for alternative access.
Product Features
- 7-in-1 Unlock Methods: App control, passcode, fingerprint recognition, IC fob, mechanical key, remote control (WiFi Hub required), and voice control via Alexa or Google Assistant.
- Biometric Access Management: Stores up to 300 passcodes, 250 fingerprints, and 1000+ IC fobs.
- Fast Fingerprint Recognition: 0.3 seconds for scanning, 1 second for unlocking.
- Remote Access & Auto Lock: Control via app, view access logs, monitor status. Auto-lock feature for enhanced security.
- Easy Installation: Designed for DIY installation on most US standard doors without extra drilling.
- Weather Resistant Design: Built to withstand various weather conditions.
Package Contents
Please verify that all components are present before beginning installation.
- HEANTLE Smart Deadbolt (Exterior and Interior Assemblies)
- Deadbolt Latch
- Strike Plate
- Mounting Hardware (Screws, Bolts)
- Mechanical Keys
- IC Fobs (Quantity as specified on packaging)
- Screwdriver (Included Component)
- User Manual (This document)
Setup and Installation
Follow these steps carefully for successful installation. A screwdriver is included for your convenience.
- Prepare the Door: Ensure your door meets the required dimensions (backset, door thickness). The lock fits most US standard doors.

Image: Illustration of the HEANTLE smart lock being installed on a door, highlighting its dimensions and the ease of installation with a screwdriver.
- Install the Deadbolt Latch: Insert the deadbolt latch into the door edge and secure it with screws.
- Install the Exterior Assembly: Route the cable from the exterior assembly through the door hole and align the spindle with the latch.
- Install the Interior Mounting Plate: Secure the interior mounting plate to the exterior assembly using the provided screws.
- Connect the Cable and Install the Interior Assembly: Connect the cable to the interior assembly. Attach the interior assembly to the mounting plate, ensuring the thumb turn operates smoothly.
- Install Batteries: Insert 4 AA alkaline batteries (not included) into the battery compartment of the interior assembly.
- Install the Strike Plate: Install the strike plate on the door frame, aligning it with the deadbolt latch.
Operating Instructions
Unlocking Methods
- Fingerprint Unlock: Place your registered fingerprint on the sensor. The lock will unlock in approximately 1 second.

Image: A detailed view of the HEANTLE smart lock's fingerprint sensor, illustrating the rapid 1-second unlocking process with a glowing blue light.
- Passcode Unlock: Enter your programmed passcode on the touchscreen keypad, followed by the '#' key.

Image: The HEANTLE smart lock's keypad with an example of a passcode entry, demonstrating the use of random digits for enhanced security.
- IC Fob Unlock: Present the IC fob to the designated reading area on the lock.

Image: A hand holding an IC fob near the HEANTLE smart lock, demonstrating the method for unlocking the door using the fob.
- Mechanical Key Unlock: Insert the mechanical key into the keyhole and turn to unlock.
- Smartphone App Control: Use the HEANTLE app to remotely lock or unlock your door.

Image: A visual representation of the HEANTLE smart lock's versatile unlocking options, including smartphone app, fingerprint, passcode, IC fob, and traditional mechanical keys.

Image: A smartphone screen showing the HEANTLE application, illustrating how users can tap to lock or unlock their smart deadbolt.
- Voice Control (WiFi Hub Required): Integrate with Alexa or Google Assistant for voice commands.

Image: A woman interacting with an Alexa device, demonstrating how the HEANTLE smart lock can be controlled using voice commands (requires an extra Wi-Fi hub).
Locking Methods
- Manual Lock: Turn the thumb turn on the interior assembly.
- Auto-Lock Feature: Enable auto-lock via the app to automatically lock the door after a set time.

Image: A man walking away from a door equipped with the HEANTLE smart lock, visually representing the auto-lock feature that automatically secures the door.
- App Lock: Use the HEANTLE app to lock the door remotely.
App Control and Management
The HEANTLE app provides extensive control and management features for your smart deadbolt.
- User Management: Add, modify, or delete fingerprints, passcodes, and IC fobs for various users.
- Temporary Access: Generate one-time, scheduled, or recurring passcodes for guests or service providers.
- Access Logs: View real-time access logs to monitor who enters and exits your property.
- Status Monitoring: Check the lock's status (locked/unlocked, battery level) remotely.
- Remote Sharing: Share eKeys with authorized users.

Image: Two individuals communicating via text messages, illustrating the convenience of sharing passcodes for entry to the smart lock.
Maintenance
- Battery Replacement: Replace batteries when the low battery alert is indicated. Use 4 AA alkaline batteries.
- Cleaning: Wipe the lock's exterior with a soft, dry cloth. Avoid abrasive cleaners or solvents.
- Firmware Updates: Check the HEANTLE app periodically for firmware updates to ensure optimal performance and security.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock not responding. | Low batteries; incorrect installation. | Replace batteries; recheck installation steps. |
| Fingerprint not recognized. | Finger wet/dirty; unregistered fingerprint; sensor issue. | Ensure finger is clean and dry; re-register fingerprint; contact support if issue persists. |
| Passcode not working. | Incorrect passcode; temporary passcode expired. | Verify passcode; check passcode validity in app. |
| Auto-lock not functioning. | Feature disabled in app; incorrect settings. | Enable auto-lock in app; adjust auto-lock timer. |
| App connectivity issues. | Bluetooth/Wi-Fi off; app outdated; gateway issues. | Ensure Bluetooth/Wi-Fi is on; update app; check WiFi Gateway connection. |
Specifications
| Feature | Detail |
|---|---|
| Brand | HEANTLE |
| Model Name | smart lock (A3-SBF) |
| Lock Type | Biometric Deadbolt |
| Unlock Methods | Fingerprint, Passcode, IC Fob, Mechanical Key, App Control, Remote Control (with WiFi Hub), Voice Control (with WiFi Hub) |
| Material | Alloys & ABS |
| Color | Satin Nickel |
| Dimensions (L x W x H) | 6.54 x 2.56 x 1.57 inches |
| Item Weight | 2.75 pounds |
| Connectivity | Bluetooth, Wi-Fi (with optional gateway) |
| Power Source | 4 AA Batteries (not included) |
| Operating Temperature | Weather Resistant (specific range not provided, but implied by "harsh weather conditions") |
Warranty and Support
HEANTLE provides comprehensive support for your smart deadbolt.
- Warranty: Smart Lock free 1-year warranty from the date of purchase.
- Technical Support: Life-time free technical support.
- Contact Information:
- Email: heantleservice@hotmail.com
- Toll Free: (888)986-6899