1. Introduction
The ULTRALOQ Smart Lock U-Bolt Pro offers advanced security and convenience for your home. This 7-in-1 keyless entry deadbolt integrates multiple access methods, smart home compatibility, and robust construction to provide reliable protection and ease of use. This manual provides detailed instructions for installation, operation, maintenance, and troubleshooting to ensure optimal performance of your smart lock.

Figure 1: ULTRALOQ Smart Lock U-Bolt Pro Overview
2. What's Included
Verify that all components are present in the package before beginning installation.
- ULTRALOQ U-Bolt Pro Smart Lock (Exterior Assembly with Fingerprint ID and Keypad)
- Interior Assembly
- Mounting Plate
- Bolt/Deadbolt Latch
- Strike Plate
- 2 Mechanical Keys
- 4 AA Alkaline Batteries
- Door Sensor
- Installation Screws (various sizes)
- User Guide & Drill Template

Figure 2: Included Components
3. Setup and Installation
The ULTRALOQ U-Bolt Pro is designed for easy DIY installation, typically taking about 10 minutes with just a screwdriver. It fits most US standard left or right-handed doors.
3.1 Door Preparation
Ensure your door meets the following specifications:
- Door Thickness: 1-3/8" to 1-3/4" (35mm-45mm). For thicker doors up to 2-1/4" (57mm), a thick door kit is requested.
- Backset: 2-3/8" or 2-3/4" (60mm or 70mm).
- Hole Diameter: 2-1/8" (54mm) for the main bore, 1" (25mm) for the latch bore.

Figure 3: Door Measurement Guide
3.2 Installation Steps
Follow the detailed instructions provided in the installation videos for a smooth setup process. Do not install batteries until instructed by the app during setup.
Video 1: Bolt Series Installation Guide. This video provides a step-by-step guide for installing the smart lock.
Video 2: ULTRALOQ U-Bolt WiFi Installation Guide. This video offers comprehensive instructions for installing the U-Bolt WiFi model.
4. Operating Instructions
The ULTRALOQ U-Bolt Pro offers multiple ways to unlock your door, providing flexibility and convenience.
4.1 Keyless Entry Methods
- 360° Fingerprint ID: One-touch access. Stores up to 100 fingerprints.
- Anti-peep Keypad: Enter your code with random digits before or after your actual passcode to prevent others from guessing your entry code. Up to 50 customizable codes.
- Smartphone App: Lock, unlock, manage access, and view logs remotely via the ULTRALOQ app (Bluetooth connection). With the ULTRALOQ Bridge (sold separately), remote access is available from anywhere with 2.4GHz WiFi.
- Auto Unlock: The lock automatically unlocks when you approach your door with your smartphone in your pocket.
- Watch App: Unlock using your smartwatch.
- Mechanical Keys: Two traditional keys are included for backup access.

Figure 4: Multiple Keyless Entry Options
4.2 App Control Features
The ULTRALOQ app provides comprehensive control over your smart lock:
- Lock/Unlock: Remotely lock or unlock your door.
- Manage Access: Authorize family members, guests, or tenants with permanent, scheduled, or one-time access codes.
- View Logs: Track who entered and when.
- Smart Notification: Receive real-time alerts for lock activity.

Figure 5: ULTRALOQ App Interface
4.3 Auto Lock and Auto Unlock
- Auto Lock: The smart lock automatically locks after a preset timer (configurable via app).
- Auto Unlock: The door unlocks automatically when you approach with your smartphone.

Figure 6: Auto Unlock Feature
4.4 Smart Home Integration
The ULTRALOQ U-Bolt Pro can integrate with various smart home ecosystems for enhanced control and automation (ULTRALOQ Bridge sold separately for some features).
- Amazon Alexa
- Google Assistant
- IFTTT
- SmartThings
- iOS
Video 3: How to connect with Google Assistant. This video demonstrates the process of integrating your smart lock with Google Assistant.
Video 4: How to Connect ULTRALOQ Smart Lock with Smartthings. This video guides you through connecting your smart lock to the Smartthings platform.
5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your ULTRALOQ Smart Lock U-Bolt Pro.
5.1 Battery Management
- The lock requires 4 AA batteries (included).
- Expect approximately 1 year of battery life.
- Receive low battery alerts via the ULTRALOQ app.
- In case of complete battery depletion, use the external USB-C port for temporary power to unlock the door.

Figure 7: Low Battery Alert

Figure 8: USB-C Port for Emergency Power
6. Troubleshooting
Address common issues with your smart lock.
- Tamper Alarm: The lock features a tamper alarm that triggers upon unusual attempts to open it.
- Wrong-Try Protection: If an incorrect passcode or fingerprint is entered too many times, the lock will enter a lockdown period (configurable via app).
- Connectivity Issues: Ensure your home WiFi network is 2.4GHz for optimal connectivity with the ULTRALOQ Bridge (if used).
7. Specifications
| Feature | Detail |
|---|---|
| Brand | ULTRALOQ |
| Model Name | U-Bolt Pro |
| Lock Type | Combination Lock, Deadbolt |
| Material | Zinc |
| Color | Black with Satin Nickel |
| Item Dimensions L x W x H | 1.19 x 2.95 x 2.95 inches |
| Item Weight | 3 Pounds |
| Connectivity Protocol | Bluetooth, Wi-Fi (2.4GHz) |
| Controller Type | Amazon Alexa, Google Assistant, IFTTT, SmartThings, iOS |
| Batteries | 4 AA batteries (included) |
| Certification | ANSI Grade 1 |
| Special Features | AI-powered Fingerprint ID, App Control, Auto Lock/Unlock, Anti-peep Keypad, Easy DIY Installation, 2 Keys |
8. Warranty and Support
ULTRALOQ provides comprehensive support for its products.
- Warranty: 18 months electronic and lifetime mechanical warranty.
- Phone Support: Available Monday–Friday, 7 AM–6 PM PST.
- Email Assistance: 24/7 email support.
For further assistance, please refer to the contact information provided with your product or visit the official ULTRALOQ website.





