FAQ - USA Deadbolt Smart Lock
Have questions about your BLACK X Deadbolt Smart Lock? This FAQ section covers the most common topics, including setup, daily use, app connectivity, and general troubleshooting, helping you quickly find the information you need.
General Information
What is the BLACK X Deadbolt Smart Lock?
The BLACK X Deadbolt Smart Lock is an advanced smart lock designed to replace a standard deadbolt.
It combines high-end mechanical security with integrated smart technology, allowing you to control and manage access through the BLACK X App.
The lock installs in place of your existing deadbolt without requiring wiring or structural modifications, making it a seamless upgrade for compatible doors.
It supports multiple access methods, including smartphone control, compatible accessories (if purchased), and mechanical backup keys.
Designed for modern homes and properties, it provides secure, flexible, and convenient access management.
Will the BLACK X Deadbolt Smart Lock fit my door?
The lock is designed to replace standard deadbolt locks and is compatible with common door configurations.
It is recommended to check your door type and measurements before installation.
Installation & Setup
Is installation complicated?
No. Installation is quick and straightforward, with no drilling, wiring, or door modifications required.
Do I need to calibrate the lock after installation?
No. The lock is ready to use immediately after installation with no calibration needed.
How do I determine the door orientation?
If the hinges are on the left, the door is left-handed.
If the hinges are on the right, the door is right-handed.
Access & Usage
How can I unlock the door?
You can unlock the door using multiple methods:
Smartphone via the BLACK X App
Optional accessories such as xPad, xPad+, or xKey
Mechanical backup keys
This gives you full flexibility depending on your needs.
Can I still use a key?
Yes. The lock includes 2 mechanical backup keys, so you always have a backup access option.
How do I use the mechanical key?
In addition to smart access via the BLACK X app or the xKey, the lock can also be operated manually using the mechanical key when preferred or required.
Firmly hold the knob to prevent it from rotating
Insert the key into the keyhole
While holding the knob, turn the key clockwise
Rotate the knob clockwise to open the door
To remove the key, hold the knob, turn the key counterclockwise, and pull it out
App & Connectivity
How do I pair the lock with the BLACK X app?
Ensure your phone’s Bluetooth and Wi-Fi are enabled before attempting to pair.
- Download BLACK X App from App store or google play.'
- Open the BLACK X App.
- click on ‘install a new lock’.
- Name Your Lock or choose a description.
- Create a ‘Home’ to associate with your lock.
- Choose the ‘Home’ for your lock.
- While in "Discovering Nearby Locks" mode, use the Allen key to press the connect button on the BLACK X device.
- When a pop-up for the correct lock appears, click "Connect" to proceed.
- Congratulations! You’ve successfully connected your first lock.
Where can I find my lock's info?
- Open the BLACK X App.
- Select your lock.
- Tap the Settings (gear) icon.
- Tap Basics.
What you'll find on the Basics screen:

- Number: your lock's device number.
- MAC/ID: your lock's MAC address and ID, shown together. Tap the copy icon to copy them. Our support team uses them to identify your lock, for example when you order a replacement mechanical key.
- Battery: the current battery percentage. Tap the field to update the reading.
- Validity Period: how long your access to this lock is valid, for example "Unlimited".
- Name: the name you gave your lock when you set it up.
- Home: the group your lock belongs to, such as Home or Office. You choose it when you add the lock.
- Admin Pin Code: your lock's admin PIN code.
If our support team asks for your lock's details, copy the MAC/ID, or take a screenshot of the Basics screen and send it to us.
Good to know: you can also see your lock's battery percentage on the app's main screen, next to the lock name.
Battery & Power
What type of battery is required for BLACK X locks?
The BLACK X Deadbolt Smart Lock requires a CR2 battery, commonly used in cameras and electronic devices.
What is the battery life?
The lock is powered by a CR2 battery and offers up to 3 years of battery life under normal usage.
Where can I buy CR2 batteries?
CR2 batteries are widely available both online and in physical stores. You can find them on platforms such as Amazon, eBay, or Walmart, as well as in electronics stores, pharmacies, and home improvement stores.
Troubleshooting & Support
Running into an issue with your USA Deadbolt Smart Lock? Check out the related articles below for step-by-step troubleshooting, or contact BLACK X Support.
Looking for more?
Our assistant can help refine your search, or you can reach our support team directly.





