Introduction
Thank you for choosing the Yeolet Y58 Fingerprint Door Lock. This smart deadbolt offers advanced security and convenience with multiple unlocking methods, including fingerprint, keypad, app control, and traditional key. Designed for easy installation and reliable performance, it provides a secure and smart solution for your home or office.
Key Features
- Multiple Unlocking Methods: Supports App unlock, fingerprint biometric, keypad password, and mechanical key.
- High-Sensitivity Fingerprint Recognition: Biometric technology with up to 99.9% recognition rate, unlocking in just 0.3 seconds.
- App Control (Gateway Required): Manage users, set one-time or timed codes, view unlock records, and receive real-time notifications remotely (Gateway sold separately).
- Anti-Peeking Password: Enhanced security feature to prevent password disclosure.
- Auto-Lock Function: Automatically locks the door after a set period for added security.
- Low Battery Alert & Emergency Power: Notifies you when batteries are low and includes a Type-C emergency power port.
- Durable Construction: Made from Zinc material, designed for longevity.
- Standard Door Compatibility: Fits US standard doors with thicknesses from 1.38" to 1.78" and backsets 2-3/8" and 2-3/4".

Image: Overview of the Yeolet Smart Door Lock's multiple unlock functions, including APP Control, Fingerprint, Keypad Password, Anti-Peeping Code, One-Time Password, Auto-Lock, Holiday Mode, Waterproof IP54, Low Battery Alarm, Type-C Emergency Charging, Gold Panel Contact Points, and 12 Anti-Static Motherboard Contact Points.
Package Contents
Please verify that all components are present before beginning installation:
- Exterior Keypad Assembly
- Interior Deadbolt Assembly
- Mounting Plate
- Deadbolt Latch
- Strike Plate
- Mechanical Keys (2)
- Mounting Screws and Hardware
- User Manual
Installation Guide
The Yeolet Y58 lock is designed for easy installation on standard US doors. A screwdriver is typically the only tool required.
Door Preparation:
- Ensure your door thickness is between 1.38" and 1.78".
- Verify the backset (distance from door edge to center of bore hole) is 2-3/8" or 2-3/4".
- Confirm the hole diameter is 2-1/8" (54mm).

Image: Detailed diagram illustrating the required door dimensions and compatibility for the Yeolet Y58 Fingerprint Door Lock, including door thickness, backset, and hole diameter.
Installation Steps:
- Install the deadbolt latch into the door edge.
- Attach the exterior keypad assembly, ensuring the cable passes through the door.
- Secure the mounting plate to the door.
- Connect the cable from the exterior assembly to the interior deadbolt assembly.
- Mount the interior deadbolt assembly to the mounting plate.
- Install 4 AA batteries (not included) into the interior assembly.
- Test the lock's functionality with a mechanical key and by pressing the keypad.
The lock automatically recognizes left and right-handed doors during installation, eliminating manual adjustments.
Operating Instructions
Unlocking Methods:
- Fingerprint: Place your registered finger on the fingerprint sensor. The lock will unlock in approximately 0.3 seconds.
- Keypad Password: Enter your registered 6-8 digit password on the keypad, followed by the '#' key.
- Anti-Peeking Password: To enhance security, you can enter random digits before and after your actual password. For example, if your password is '123456', you can enter '987123456321#'.
- Mechanical Key: In case of emergency or battery depletion, use the provided mechanical key to unlock the deadbolt. The keyhole is discreetly located.
- App Control:
- Download the "Smart Life" app.
- Pair your lock with the app via Bluetooth.
- For remote control and advanced features (e.g., generating one-time codes, viewing access logs, setting holiday mode), a compatible Wi-Fi Gateway (sold separately) is required.

Image: The Yeolet Fingerprint Door Lock shown alongside a smartphone displaying its app interface, highlighting keyless entry and app control capabilities.
Auto-Lock Function:
The lock features an auto-lock function that can be configured via the app. After a successful unlock, the deadbolt will automatically re-lock after a user-defined period (e.g., 5-99 seconds).
Maintenance
- Battery Replacement: The lock is powered by 4 AA batteries (not included). Replace them when the low battery alert is activated or check the battery level via the app.
- Emergency Power: If batteries are completely depleted, use a Type-C cable to connect an external power bank to the emergency power port for temporary power to unlock the door.
- Cleaning: Wipe the keypad and fingerprint sensor with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Regular Checks: Periodically check that all screws are tight and the lock operates smoothly.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock does not respond. | Dead batteries. | Replace AA batteries or use Type-C emergency power. |
| Fingerprint not recognized. | Finger not placed correctly; sensor dirty; unregistered fingerprint. | Ensure finger covers the sensor completely; clean sensor; register fingerprint via app. |
| Keypad not responding. | Incorrect password; temporary glitch. | Re-enter password carefully; try mechanical key; check battery level. |
| Cannot connect to App. | Bluetooth off; lock not in pairing mode; Gateway not connected (for remote access). | Ensure Bluetooth is on; follow app instructions for pairing; verify Gateway connection. |
| Auto-lock not working. | Feature disabled or incorrect settings. | Check auto-lock settings in the app and ensure it's enabled. |
Specifications
- Brand: Yeolet
- Model Name: Y58
- Lock Type: Deadbolt, Keypad
- Material: Zinc
- Color: Black
- Item Dimensions (L x W x H): 2.91 x 1.18 x 5.12 inches
- Item Weight: 1.98 pounds
- Special Features: Fingerprint, Anti-Peeping Password, Auto-Lock
- Recommended Uses: APP / Remote / Fingerprint / Key
- Power Source: 4 AA Batteries (not included)
- Emergency Power: Type-C Port
- Door Thickness Compatibility: 1.38" to 1.78"
- Backset Compatibility: 2-3/8" and 2-3/4"
- Fingerprint Capacity: Up to 50
- Password Capacity: Up to 50
- Connectivity Protocol: APP (Bluetooth, Wi-Fi with optional Gateway)
Warranty and Support
The Yeolet Y58 Fingerprint Door Lock comes with a 12-month free warranty from the date of purchase.
For technical assistance, troubleshooting, or any inquiries, please contact our dedicated 24-hour Technology Engineer Team After Sales Service. Refer to the contact information provided on the product packaging or the official Yeolet website.
We are committed to ensuring your satisfaction and providing prompt support for your Yeolet product.