ULTRALOQ UL3-BT Smart Lock WiFi Adaptor Keyless 18
Ultraloq Terms & Policies
Before using all Ultraloq products, please read all applicable terms, rules, policies and usage provisions found at www.u-tec.com/company/privacy. By using your Ultraloq, you agree to be bound by the U-tec Privacy Policy
Important Notes
- Do not use a power drill for installation.
- Install and test the lock with the door open to avoid being locked out.
- Please read all the instructions before contacting customer support.
- Please contact customer support before returning the product to the store.
- DO NOT install the batteries before installing the lock!
- Follow the instructions in sequential order!
- This lock is designed for the following operating temperatures:
- Outside Lock Body: -31°F(-35°C) to 158°F (70°C)
- Inside Lock Body: 14 °F (-10°C) to 131 °F (55°C)
- Please must use AA Alkaline Battery and don’t use Lithium Battery or Rechargeable Battery.
Statements
To ensure the best service, please register your account at www.u-tec.com/register.html
Need Help?
- For technical documents and more
- Please visit www.u-tec.com/support
- Email: support@u-tec.com
Packing List

Installation Guide
Installation Video
Please scan this QR code to watch the easy step by step installation video before attempting to install Ultraloq U-Bolt Pro. Or you can also view the webiste directly. www.u-tec.com/lock/U-bolt_pro/guide
Preparing Door
- Step1
- Measure to confirm that the door is between ,s/16′ – 2″ (33 mm-50 mm) thick.
- Step2
- Measure to confirm that the diameter of the hole is 21/a” (53 mm) or 1½”(38mm)
- Step3
- Measure to confirm that the backset is either 23/a” or 23/,t (60 mm or70 mm).
- Step4
- Measure to confirm that the diameter of the hole in the door edge is 1″ (25 mm).
- Steps
- Measure to confirm the depth of the hole in the frame is at least 1 “(25mm).
Installing Bolt and Strike
- Install Bolt into the door. Make sure the UP t icon goes up
- Install Strike into the door frame
Installing Exterior Assembly
- Step 1 Keep Bolt retracted and the cylinder tail piece horizontal. Install Exterior Assembly. Please do not insert the mechanical key during installation.
- Step 2 Align its two sticks with two holes on Bolt. The cable goes through the hole below Bol
If your door has a 1 ½”(38 mm) bore hole, remove the spacer as shown.
Installing Interior Assembly Mounting Plate
- Step 1 Route the cable through the hole on Interior Assembly Mounting Plate.
- Step 2 Secure Interior Assembly Mounting Plate to Exterior Assembly using Screws D.
Installing Interior Assembly
- Step 1 Remove the battery cover of the Interior Assembly.
- Step 2 Insert the connector of the cable to the socket on Interior Assembly. Press the connector in firmly until it is completed seated.
- Step 3 Rotate the knob and keep it in a vertical position to stay unlocked.
- Step4 Attach Interior Assembly to Mounting Plate and tighten 2 Screws
Installing the Batteries and Performing the Door Handing Process
- Step1 Rotate the koob
- Step2 Insert 4 AA Alkaline Batteries
- Step 3 Install battery cover.
User Guide
User Guide Video
Please watch our easy step by step User Guide video before attempting to use your Ultraloq U-Bolt Pro Smart Lock Or you can also view the webiste directly. www.u-tec.com/lock/U-bolt_pro/guide
Product Overview
Exterior
- Anti-peep Keypad
- Used to enter the code and unlock from outside.
- Advanced Fingerprint Reader
- Used to verify your finger and unlock from the outside.
- Backup Key Hole
- Used to insert the key to unlock in emergency situations.
- Micro USB (5V)
- Used to connect the power bank to activate the lock when the battery runs out.
- Tri-color LED Indicator
- Shows you authorized or denied access, Bluetooth connectivity status, battery status etc.
- Ultraloq Button
- Used to lock from the outside, illuminate the keypad for code entry and confirm previous operations etc.
Interior
- Reset Button
- Used to reset the lock to Factory Default settings. If the lock was paired to App, please must click “Delete” to remove the device from App.
- Battery Compartments
- Used to insert 4 AA alkaline batteries.
- Battery Cover
- Used to cover batteries and product label.
- Knob
- Used to unlock and lock the door from inside.
- LED Indicator
- Turns red when door is unlocked.
Low Battery Alarm
There will be low battery alert on the lock and App when battery is low. Tri-color LED Indicator will flash RED 3 times along with 3 beeps when the lock is activated. Please replace batteries.
Lock Setup
- Step1 Scan above QR code to download the App, or search “U-tec”in App Store (iOS) and Google Play (Android).
- Step 2 Open the App, register U-tec account and log in the account.
- Step 3 Make sure the lock is in Factory Default Node. Turn on Bluetooth on your smartphone, stay near the lock (within 10 feet/ 3 meters) and search the lock in the App.
- Step4 Pair the lock in the App and start to use it.
DON’T WANT TO USE THE APP?
Please go to page 15 for programming guide for Standalone Mode
Using Your Lock
User Code
Enter 4-8 digit code and press Ultraloq Button to unlock
Fingerprint
Place your finger on Fingerprint Reader to unlock
Smartphone
Use your smartphone to unlock. Please refer to the guide in U-tecApp.
Lock From Outside
Press Ultraloq Button to lock manually. Enable Auto Lock feature and the lock will relock automatically.
Unlock From Inside
Rotate the knob to a vertical position to unlock.
Reset the Lock
Please note all data will be erased if you reset U-Bolt Pro to factory default. If you are using U-tec App as Owner, please click “Delete and Reset” to remove the lock from your U-tec Account, then use a Reset Needle to push the Reset Button (at the bottom of Interior Assembly) for around 3 seconds until you hear one long beep and two short beeps.
Replace Batteries
Please use 4 high-quality alkaline AA batteries for replacement when the battery is dead.
SV Emergency Power
Micro USB interface is used to connect regular 5V power bank to activate the lock in case the battery is dead.
Emergency Key Override
Emergency Key Override can be used when the battery is dead. Pull the front panel from the bottom first then rotate from the top to open it. You can see Backup Key Hole inside. Insert the key and rotate to unlock,just like any lock.
Enable Or Disable Auto Lock
Enable
Please keep Bolt unlocked and press “1” button for 3 seconds until LED turns green and “1” button blinks.
Disable
Please keep Bolt unlocked and press “0” button for 3 seconds until LED turns green and “0” button blinks. This can also be set in U-tec App and Auto Lock timing can be programmed between 10 seconds to 5 minutes. Factory Default timing is 30 seconds
Anti-peep Keypad
The lock supports up to 16-digit Vague Code. Just enter any 16-digit code, as long as a correct code is included in what you entered, you can open the door.
Place Finger
- For a higher recognition rate, please try to cover the Fingerprint Reader completely with your finger, touching the surrounding metal ring.
- Make sure that your finger and Fingerprint Reader are clean and dry. For Fingerprint Reader, use a clean, lint-free cloth to wipe off any dirt or debris.
- Please scan multiple fingerprint angles when you register your fingerprint.
- While scanning your finger, you shouldn’t tap too quickly or move your finger around.
- If you have trouble enrolling one finger, try another.
- U-Bolt Pro fingerprint sensor has self-study function which the verification rate will be improved after multiple success ..
Standalone Mode Programming Guide
It is recommended to use U-tec App to program your lock. If you don’t have a smartphone or don’t want to use the App, you may follow the programming instructions below.
Add Admin Code in Standalone Mode
Ad min Code must be created first prior to any other programming. Only one Ad min Code is available
Add User Code in Standalone Mode
Add Fingerprint in Standalone Mode
Delete Ad min and User
Please reset the lock to Factory Default Mode to delete Admin and all Users.
How to reset the lock in Standalone Mode?
Please use a Reset Needle to push the Reset Button (at the bottom of Interior Assembly) for around 3 seconds until you hear one long beep and two short beeps..
FAQ
How to reset U-Bolt Pro?
Please note all data will be erased if you reset U-Bolt Pro to factory default
How to control U-Bolt Pro remotely?
U-Bolt Pro is a Bluetooth enabled smart lock. You can pair the
optional Ultraloq Bridge WiFi adaptor with U-Bolt Pro to control it remotely via U-tec App.
What if I lost the paired smartphone?
Please go to www.u-tec.com/myutec.html or login U-tec App via another smartphone to change your U-tec Account password.
How to adjust the lock orientation of U-Bolt Pro?
The lock orientation must be adjusted after installation to ensure U-Bolt Pro works properly.
How can I unlock U-Bolt Pro if battery runs out?
There will be low battery alert on the lock and App when battery is low. Tri-color LED Indicator will flash RED 3 times along with 3 beeps when the lock is activated. Please replace batteries.
What’s the difference between Owner, Admin, Normal User and Temporary User?
Owner is the person who owns U-Bolt Pro and registers it in U-tec App originally. Owner has all privileges.
Does U-Bolt Pro work with accessories such as bolt from third party?
It is recommended to use the original accessories for best performance and stability.
What is the log capacity for U-Bolt Pro?
U-Bolt Pro supports maximum 1,000 logs. The latest log will replace the oldest one once log is full.
What is the user capacity for U-Bolt?
U-Bolt Pro supports maximum 60 users and each user can register 1 code and 2 fingerprints.
What does the Ultraloq WiFi Bridge do?
Ultraloq Bridge allows you to unlock, share eKeys to your guests for scheduled access, and view access logs from anywhere
Is Ultraloq a good lock?
Yes, this smart lock is a great fit for most front doors.
Does Ultraloq need WiFi?
Ultraloq Smart Locks can only work with the 2.4GHz WiFi network
Why is my Ultraloq beeping?
There will be a low battery alert on the lock and App when the battery level is low. Tri-color LED Indicator will flash RED 3 times along with three beeps when the lock is activated. Please replace batteries.
What app does Ultraloq use?
Scan the QR code to install the U-tec App on the App Store or Google Play. Note: Please have to allow all the permissions for the U-tec App.
How long does Ultraloq battery last?
That is to say, the battery life is up to 1 year on average use of 20 times access per day
Do I need Wi-Fi bridge for smart lock?
You still can use many smart lock features in the offline mode, working via Bluetooth only.