Ultraloq Smart Lock U-Bolt Pro + Bridge WiFi Adaptor allows keyless entry to your home with a fingerprint, code, smartphone, or physical key. It features an anti-peep keypad for added security and a low battery alarm to remind you when it's time to replace the batteries. The Bridge WiFi Adaptor lets you control the lock remotely, grant access to guests, and receive notifications on your smartphone.

Ultraloq Smart Lock U-Bolt Pro + Bridge WiFi Adaptor allows keyless entry to your home with a fingerprint, code, smartphone, or physical key. It features an anti-peep keypad for added security and a low battery alarm to remind you when it's time to replace the batteries. The Bridge WiFi Adaptor lets you control the lock remotely, grant access to guests, and receive notifications on your smartphone.

Ultraloq U-Bolt Pro
Installation and User Guide
(V1.5)
• 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.
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
Important Notes
Statements
- 1 -
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.
Ultraloq Terms & Policies
2
3
/
8
2
3
/
4
Interior
Assembly
Exterior
Assembly
Interior Assembly
Mounting Plate
Screw A Screw C
Screw D Screw E
Strike
Screw B
Bolt Backup Key
AA Alkaline Batteries
May not be included
for some regions
Screwdriver User Guide Drill Template
Reset Needle
Bridge
- 2 -
Packing List
Ultraloq U-Bolt Pro
User Guide
(V1.0)
Drill Template
(V1.6)
Face of the door Edge of the door
Centerline
Backset
2
3
/
4
(70 mm)
2
3
/
8
(60 mm)
1
3
/
4
(44mm)
1
3
/
8
(35 mm)
Centerline
Backset
2
3
/
4
(70 mm)
2
3
/
8
(60 mm)
1
3
/
4
(44mm)
1
3
/
8
(35 mm)
Fold
(V1.6)
Plantilla de Perforación
Cara de la puerta Borde de la puerta
Eje
Cara de la puertaBorde de la puerta
Eje
Doblar
Entrada de
la cerradura
Entrada de
la cerradura
Fold
Doblar
Drill Template
(V1.6)
(V1.5)
Plantilla de Perforación
Face of the doorEdge of the door
2”(50mm)
2”
(50mm)
ENGLISH
Please scan this QR code to watch the easy
step by step installation video before
attempting to install Ultraloq U-Bolt Pro.
1”
25 mm
53 mm
2
1
/
8
(33 mm ~ 50 mm)
1
5
/
16
~
2 ”
2
3
/
4
2
3
/
8
(70 mm)
OR
(60 mm)
Installation Guide
Installation Video
- 3 -
1. Preparing Door
Check the doors dimensions.
Step 1
Measure to conrm that the door is between
1
5
/
16
~
2 ”
(33 mm-50 mm) thick.
Step 2
Measure to conrm that the diameter of the hole is
2
1
/
8
(53 mm).
Step 3
Measure to conrm that the backset is either
2
3
/
8
” or 2
3
/
4
(60 mm or 70 mm) .
Step 4
Measure to conrm that the diameter of the hole in the door
edge is
1”
(25 mm).
Step 5
Measure to conrm the depth of the hole in the frame is at least
1''(25mm).
If you have a new door, please drill the holes according to Drill
Template.
Or you can also view the webiste directly.
www.u-tec.com/lock/U-bolt_pro/guide
1''(25mm)
- 4 -
2. Installing Bolt and Strike
2
3
/
8
2
3
/
8
2
3
/
4
2
3
/
4
Adjust the Bolt
basket length
Step 1
Install Bolt into the door. Make sure the UP icon goes up.
Step 2
Note: Bolt is set for
2
3
/
8
backset initially. It can be adjusted to
2
3
/
4
if needed.
To adjust it please make sure the bolt is retracted, then, press it, twist and pull
it or push it to your desired length.
Install Strike into the door frame.
ENGLISH
- 5 -
Step 1
Carefully break o cylinder tailpiece at required mark for your
door thickness.
After installing the cover plate, there should be 1 or 2 pieces over
the Assembly Mounting Plate hole.
1
5
/
16
1
1
/
2
1
3
/
4
Thickness 2”
Thickness
Thickness
1
3
/
4
1
1
/
2
3. Installing Exterior Assembly
Caution: Use two pliers as shown or tailpiece will be damaged.
- 6 -
Step 2
Keep Bolt retracted and the cylinder tailpiece horizontal. Install
Exterior Assembly. Please do not insert the mechanical key during
installation .
Step 3
Align its two sticks with two holes on Bolt. The cable goes through
the hole below Bolt.
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.
4. Installing Interior Assembly Mounting Plate
Screw D
HORIZONTAL
ENGLISH
- 7 -
5. 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 rmly until it is
completed seated
.
Step 3
Rotate the knob and keep it in a vertical position to stay
unlocked.
Step 4
Attach Interior Assembly to Mounting Plate and tighten 2 Screws E.
Unlocked
- 8 -
6. Installing the Batteries and Performing the Door
Handing Process
This step will teach your lock the orientation of your door and is
crucial to lock operation.
Step 1
Rotate the knob and keep it in a horizontal position to stay locked.
Step 2
Insert 4 AA Alkaline Batteries.
Step 3
Install battery cover.
Locked
Note: Any ngerprint or code can unlock U-Bolt Pro in Factory Default Mode.
ENGLISH
- 9 -
Please watch our easy step by step User Guide video before
attempting to use your Ultraloq U-Bolt Pro Smart Lock.
User Guide
1. Product Overview
1.1 Exterior
User Guide Video
Anti-peep Keypad
Used to enter the code and unlock from outside.
Advanced Fingerprint Reader
Used to verify your nger and unlock from the outside.
Backup Key Hole
Used to insert the key to unlock in emergency situations.
Micro USB (5V)
Used to connect power bank to activate the lock when 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
Advanced
Fingerprint Reader
Anti-peep Keypad
Micro USB (5V)
Tri-color LED
Indicator
Ultraloq Button
Backup Key Hole
Or you can also view the webiste directly.
www.u-tec.com/lock/U-bolt_pro/guide
- 10 -
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.
Note:
Lithium batteries may have a longer life, but when they
begin to fail, they fail quickly. We don’t recommend them
because they don’t give you a lot of time to change your
batteries before the lock is completely dead.
Please don't use any Rechargeable Battery.
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.
1.3 Low Battery Alarm
There will be low battery alert on the lock and App when battery
is low. Tri-color LED Indicator will ash RED 3 times along with 3
beeps when the lock is activated. Please replace batteries.
Reset Button
1.2 Interior
Battery
Compartments
Battery Cover
Knob
LED Indicator
ENGLISH
- 11 -
Step 1
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 Mode. Turn on Bluetooth
on your smartphone, stay near the lock (within 10 feet / 3 meters)
and search the lock in the App.
Step 4
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.
App
2. Lock Setup
Note: Please refer to the guide in U-tec App for more information.
- 12 -
3. Using Your Lock
• User Code
• Fingerprint
Place your nger on Fingerprint Reader to unlock.
• Smartphone
Use your smartphone to unlock. Please refer to the guide
in U-tec App.
3.1 Unlock From Outside
Enter 4-8 digit code and press Ultraloq Button to unlock .
Note: You can press Ultraloq Button to turn on Keypad backlight.
U-Bolt Pro
ENGLISH
1. Pull
- 13 -
3.2 Lock From Outside
Press Ultraloq Button to lock manually.
Enable Auto Lock feature and the lock will relock automatically.
3.3 Unlock From Inside
Rotate the knob to a vertical position to unlock.
3.4 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.
3.5 Replace Batteries
Please use 4 high-quality alkaline AA batteries for replacement
when the battery is dead.
3.6 5V Emergency Power
Micro USB interface is used to connect regular 5V power bank to
activate the lock in case the battery is dead.
3.7 Emergency Key Override
Emergency Key Override can be used when the battery is dead.
Pull the front panel from the bottom rst 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.
3.8 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.
Important Note
Please keep at least one key in secure location outside of
your place.
2. Rotate 3. Insert
- 14 -
3.9 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.
1:
2:
3:
1 2 3 4 5 6
X X X X X X
1 2 3 4 5 6
X X X X X X
1 2 3 4 5 6
X X X X X X
Example
User Code: 123456
Vague Code
3.10 Place Finger
1. Your nger should cover Fingerprint Reader completely with
some pressure, touching the surrounding metal ring.
2. Make sure that your nger and Fingerprint Reader are clean
and dry. For Fingerprint Reader, use a clean, lint-free cloth to
wipe o any dirt or debris.
3. Please scan multiple ngerprint angles when you register
your ngerprint.
4. While scanning your nger, you shouldn't tap too quickly or
move your nger around.
5. If you have trouble enrolling one nger, try another.
6. U-Bolt Pro ngerprint sensor has self-study function which
the verication rate will be improved after multiple success .
Bottom View Top View Side View
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
ENGLISHENGLISH
- 15 -
4.2 Add User Code in Standalone Mode
Warning
Standalone Mode is NOT available after the lock is registered
in App! Please reset the lock to Factory Default Mode rst to
program your lock in Standalone Mode.
Admin Code must be created rst prior to any other programming.
Only one Admin Code is available.
4. Standalone Mode Programming Guide
IndicatorOperation
4.1 Add Admin Code in Standalone Mode
Hold for 3 sec
2 beeps with ashing
green light
Enter 4-8 digit Admin Code
and press
1 beep with green light,
then ashing green light
Enter the Admin Code again
and press
2 beeps with green light
Success All lights o
IndicatorOperation
Hold for 3 sec
2 beeps with ashing
blue light
Enter 4-8 digit Admin Code
and press
2 beeps with green light,
then steady blue light
Enter 4-8 digit User Code
and press
1 beep with green light,
then steady blue light
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.
- 16 -
4.3 Add Fingerprint in Standalone Mode
2 beeps with green light
Success All lights o
Enter the User Code again
and press
IndicatorOperation
2 beeps with ashing
blue light
2 beeps with green light,
then steady blue light
Place Your Finger
Hold for 3 sec
Enter 4-8 digit Admin Code
and press
light
Success 2 beeps with green light
Lift and Place Your Finger
Lift and Place Your Finger
Lift and Place Your Finger
Lift and Place Your Finger
Lift and Place Your Finger
#1 and #2 light with beep
#3 and #4 light with beep
#5 and #6 light with beep
#7 and #8 light with beep
#9 and #0 light with beep
ENGLISH
- 17 -
4.4 Delete Admin 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
1. How to reset U-Bolt Pro?
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.
If U-Bolt Pro is working as 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.
2. 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.
3. 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.
4. 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.
Solution 1. Adjust the lock orientation on the lock. Go to page 8
for details.
Solution 2. Adjust the lock orientation via U-tec App.
- 18 -
5. 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 ash RED 3 times
along with 3 beeps when the lock is activated. Please replace
batteries.
Solution 1. Use the backup key to unlock.
Solution 2. Connect a 5V power bank to activate the lock
temporarily.
6. Whats the dierence 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.
Admin can always unlock via ngerprint, code or App. Admin
can add or delete Admin and Users, control all lock settings and
view logs.
Normal User can always unlock via ngerprint, code or App.
Temporary User has limited access within specic time range.
7. 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.
8. What is the log capacity for U-Bolt Pro?
U-Bolt Pro supports maximum 1000 logs. The latest log will
replace the oldest one once log is full.
ENGLISH
Ultraloq U-Bolt Pro
Guía de Instalación y Uso
(V1.5 )
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Ultraloq Smart Lock U-Bolt Pro + Bridge WiFi Adaptor allows keyless entry to your home with a fingerprint, code, smartphone, or physical key. It features an anti-peep keypad for added security and a low battery alarm to remind you when it's time to replace the batteries. The Bridge WiFi Adaptor lets you control the lock remotely, grant access to guests, and receive notifications on your smartphone.

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