1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your LockState OE-550DB-626 Residential WiFi Deadbolt. This device allows for remote control and monitoring of your door access.
Product Overview
The LockState OE-550DB-626 is an internet-controlled deadbolt that enables remote locking and unlocking of your door. It provides features such as real-time access history, text alerts for code usage, and the ability to issue or delete user codes from a computer or smartphone. This allows for flexible access management for residents or guests.

Figure 1: Front exterior view of the LockState OE-550DB-626 Residential WiFi Deadbolt, featuring the numeric keypad and traditional key cylinder.
2. Included Components
Verify that all components are present before beginning installation:
- Deadbolt lock assembly (exterior keypad and interior unit)
- Battery pack for the interior unit
- All necessary screws for installation
- Override keys (2)
3. Installation and Setup
Proper installation is crucial for the optimal performance of your WiFi deadbolt. Follow these general steps. Refer to the detailed installation guide provided with your product for specific instructions and templates.
- Prepare the Door: Ensure your door is properly prepped for a standard deadbolt installation.
- Install Exterior Keypad: Mount the exterior keypad unit onto the door.
- Connect Wiring: Carefully route the wire connecting the exterior keypad to the interior unit. It is important that this wire runs above the deadbolt assembly to prevent pinching or damage.
- Install Interior Unit: Secure the interior unit to the door, ensuring the deadbolt mechanism operates smoothly.
- Insert Batteries: Install 4 AA batteries into the battery pack.
- Test Operation: Manually test the deadbolt operation with the thumb turn and the override keys.
- Initial Programming: Set a master code and initial user codes using the keypad.
- Connect to WiFi: Follow the instructions in the LockState Connect app or web interface to connect your deadbolt to your existing wireless router. No additional hardware is required for WiFi connectivity.

Figure 2: Interior view of the LockState OE-550DB-626 Residential WiFi Deadbolt, illustrating the battery compartment and manual thumb turn.
4. Operating Instructions
4.1 Keypad Operation
- Unlocking: Enter your valid user code on the keypad, then press the LockState button.
- Locking: Press the LockState button on the keypad to lock the door from the outside.
- Master Code: The master code is used for programming and managing other user codes directly from the lock.
4.2 Remote Access and Management
Once connected to your WiFi network, you can manage your deadbolt remotely via the LockState Connect account (web interface or mobile application).
- Remote Lock/Unlock: Use the application or web interface to lock or unlock your door from any location with internet access.
- User Code Management: Add, delete, or modify up to 1000 user codes or guest codes. Temporary codes can be issued for specific durations.
- Access History: View a real-time log of all lock and unlock events, including which codes were used and when.
- Alerts: Configure text alerts to be notified when specific codes are used or when the lock status changes.
5. Maintenance
5.1 Battery Replacement
The deadbolt requires 4 AA batteries. For optimal performance and extended battery life, it is recommended to use lithium batteries, which can last up to 6 months. Alkaline batteries typically last about one month. Replace batteries when the low battery indicator appears or when the lock's motor operation becomes sluggish.
- Remove the battery cover on the interior unit.
- Remove the old batteries and dispose of them properly.
- Insert 4 new AA batteries, ensuring correct polarity.
- Replace the battery cover.
5.2 Cleaning
Clean the lock's exterior with a soft, damp cloth. Avoid abrasive cleaners or solvents that could damage the finish or electronic components.
6. Troubleshooting
- Lock Not Responding to Keypad:
- Check battery levels and replace if necessary.
- Ensure the keypad is clean and free of debris.
- Verify that the entered code is correct and active.
- If specific buttons are unresponsive, the keypad may be faulty and require replacement.
- Difficulty Connecting to WiFi:
- Ensure the lock is within range of your WiFi router.
- Verify your WiFi network name (SSID) and password are correct.
- Restart your WiFi router and attempt connection again.
- Consult the LockState Connect app or web interface for specific connection troubleshooting steps.
- Deadbolt Does Not Extend/Retract Smoothly:
- Check for any obstructions in the door frame or strike plate.
- Ensure the lock is properly aligned and installed without binding. The motor may stop if it encounters significant resistance.
- Verify that the wire connecting the two halves of the lock is not interfering with the deadbolt mechanism.
- Remote Access Issues:
- Confirm the lock is connected to WiFi and has an active internet connection.
- Check your internet service provider for outages.
- Ensure your LockState Connect account is active and properly configured.
7. Specifications
| Brand | LockState |
| Model Name | Deadbolt |
| Item Model Number | OE-550DB-626 |
| UPC | 851098006746 |
| Lock Type | Deadbolt |
| Special Feature | Back-Lit Keypad |
| Material | Nickel (Stainless steel components) |
| Finish Type | Satin Nickel |
| Color | Satin Nickel |
| Item Dimensions (L x W x H) | 9.5 x 5.5 x 9.5 inches |
| Item Weight | 4 Pounds |
| Power Source | Battery powered (4 AA batteries required) |
| Connectivity Protocol | Wi-Fi |
| Control Method | App |
| Included Components | Deadbolt lock, battery pack, installation screws, 2 override keys |
8. Warranty and Support
8.1 Product Warranty
The LockState OE-550DB-626 Residential WiFi Deadbolt comes with a 1-Year Limited Warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. For specific terms and conditions, please refer to the warranty documentation included with your product or contact LockState customer service.
8.2 Customer Support
For technical assistance, troubleshooting, or warranty claims, please contact LockState customer support. Contact information can typically be found on the LockState official website or in the product packaging.
Manufacturer: Tong Lung Metal Industry Company





