ULTRALOQUser ManualULTRALOQ

ULTRALOQ U-Bolt Pro WiFi Smart Lock with Door Sensor

Sections78
Reading10 min
UpdatedApr 2026
LanguageEnglish
Section 01

Step 1

Measure to confirm that the door is between 13/8” ∼13/4” (35 mm-45 mm) thick.

Note: For thicker doors between 1^{3} / 4'' (45mm) - 2^{1} / 4'' (57mm), thick door kit is requested. Please visit www.ultraloq.com to order the "ULTRALOQ Thick Door Kit".

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Section 02

Step 2

Measure to confirm that the diameter of the hole is 2\frac{1}{8}'' (53 mm) or 1\frac{1}{2}'' (38 mm)

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Section 03

Step 3

Measure to confirm that the backset is either 2\frac{3}{8} or 2\frac{3}{4} (60 mm or 70 mm).

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Section 04

Step 4

Measure to confirm that the diameter of the hole in the door edge is 1^{\prime \prime} (25 mm).

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Section 05

Step 5

Measure to confirm 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.

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Section 06

Step 1: Install the Bolt

- Insert the bolt into the door. Making sure the "UP ↑"icon faces upward.

Note: By default, the bolt is set to a 2-3/8" (60mm) backset.

- To adjust to 2-3/4" (70mm): Make sure the bolt is fully retracted. - Press the bolt, then twist it until you feel a slight click. This locks it in the extended backdrop position.

Note: Always ensure the bolt is retracted before making adjustments.

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Section 07

Step 2: Install the Strike

- Align the strike plate with the door frame. - Secure it in place using the provided screws A(x4)

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Section 08

Step 1: Position and Install

- Ensure the bolt is fully retracted. - Make sure the cylinder tailpiece is horizontal, with the bump pointing upward. - Carefully install the Exterior Assembly onto the door.

Do not insert the mechanical key during installation.

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Section 09

Step 2: Route the Cable

- Carefully thread the cable through the hole located below the bolt to the interior side of the door.

If your door has a 1 1/2”(38 mm) bore hole, remove the spacer from the exterior assembly as shown.

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Section 10

With No Spacer

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Section 11

Step 1: Route the cable

Route the cable through the hole in the Interior Assembly Mounting Plate.

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Section 12

Step 2: Secure the Mounting Plate

Secure the Interior Assembly Mounting Plate to the Exterior Assembly using Screw B(x2).

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Section 13

5. Installing the Interior Assembly

Warning: Do not install the batteries before installing the interior assembly, as this may prevent the keypad from powering on properly.

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Section 14

Step 1: Remove Battery Cover

Remove the battery cover from the Interior Assembly.

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Section 15

Step 2: Connect the cable to the Interior Assembly

- Insert the cable connector into the socket on the Interior Assembly. - Ensure the white-painted side is facing up. - Press the connector firmly until it is fully seated.

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Section 16

Step 3: Set to Unlocked Position

- Rotate the knob to the vertical position to keep the lock unlocked during installation.

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Section 17

Step 4: Attach and Secure

- Align the Interior Assembly with Mounting Plate. - Use Screw C(x2) to secure the Interior Assembly in place.

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Section 18

6. Installing the Batteries and Performing the Door Handling Process

This step helps your lock learn which way your door opens, so it can work properly.

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Section 19

Step 1: Set to locked position

Rotate the knob to the horizontal position to keep it locked.

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Section 20

Step 2: Insert Batteries

- Insert 4 AA alkaline batteries into the battery compartment. - Reattach the battery cover.

Note: Any fingerprint or pressing any 4-8 digit code then ULTRALOQ Button can unlock U-Bolt Pro Wi-Fi in Factory Default Mode.

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Section 21

7. Installing the Door Sensor(Optional)

Door sensor lets you know whether the door is open or closed through the App. When Auto-Lock is enabled, your LOCK will automatically lock only when the door is fully closed.

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Section 22

Guidelines:

- Do not mount the door sensor on the keypad side of the lock. - Avoid installing the sensor on metal doors that interfere with the internal magnet. (In such cases, the door sensor may stick to the metal door magnetically and malfunction.)

- The sensor is suitable for:

1. Wooden doors. 2. Metal doors that do not interfere with the sensor's

magnetic field (i.e., the sensor does not stick magnetically to the door).

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Section 23

Installing with Screw D

- Drill two holes at the marked positions. - Press the door sensor against the wall and secure it using Screws D (x2). - Attach the door sensor cover by sliding it from top to bottom along the chute until it clicks into place.

Note: Door sensor should be mounted as close to the edge of your door frame as possible, or within 0 to 1"(25mm) from the edge, and as close to the bottom of the extended deadbolt as possible, or within 0 to 1"(25mm) from the edge.

Note: Please refer to the guide in U home app for more information.

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Section 24

User Guide Video

Please scan the QR code on the left to watch the user guide video. You can also visit the website directly at www.ultraloq.com/u-bolt_pro_wifi/guide.

For the configuration guide of integration (Alexa, Google Assistant, IFTTT and SmartThings), please scan the QR code on the right or visit: support.ultralog.com, then chose "Works with" to watch the user guide video.

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Section 25

1.1 Exterior Components

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Section 26

① Anti-Peep Keypad

Used to enter the access code and unlock the door from outside.

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Section 27

Advanced Fingerprint Reader

Verify fingerprint access and unlock the door from the outside.

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Section 28

Backup Key Hole

Allows mechanical key access in case of battery failure or in other emergency situations.

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Section 29

Micro USB (5V)

Used to connect power bank to activate the lock when battery runs out.

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Section 30

Tri-Color LED Indicator

- Green: Lights up when manual programming is successful or when your entry is verified. - Red: Lights up when manual programming fails or when entry verification is incorrect. - Blue: Lights up when communication is connected or when entering standalone mode.

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Section 31

ULTRALOQ Button

Used to lock from the outside, illuminate the keypad for code entry, and confirm the previous operation.

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Section 32

1.2 Interior Components

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Section 33

Reset Button (Pinhole)

Used to reset the lock to Factory Default settings.

To reset, use a Reset Needle to press and hold the reset button for about 10 seconds until you hear one long beep followed by two short beeps.

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Section 34

Battery Compartment

Insert 4 AA alkaline batteries. Rechargeable or other battery types are not recommended.

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Section 35

Battery Cover

Protects the battery compartment and product label.

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Section 36

Thumb Turn

Used to manually lock and unlock the door from inside.

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Section 37

LED Indicator

Turns green when the door is unlocked.

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Section 38

1.3 Low Battery Alarm

When the battery is low:

- A low battery alert will be triggered on the lock and App. - Tri-color LED indicator will flash red and emit 3 beeps before when the lock is retracted.

Note: Please replace the batteries promptly to avoid lock failure.

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Section 39

2. Lock Setup

Scan QR code to download the App

Download on the App Store

GETITON GooglePlay

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Section 40

Step 1: Download App

Scan the QR code to download the app, or search for:

"U home" in the App Store (iOS). "U home" in the Google Play Store (Android).

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Section 41

Step 2: Register and Log In

- Open the U home app. - Create an account or log in with your existing credentials.

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Section 42

Step 3: Prepare for Pairing

- Ensure the lock is in Factory Default Mode. To reset your lock to Factory Default Mode, please refer to Page 14. - Turn on Bluetooth on your smartphone. - Stay within 10 feet of the lock. - Search for the lock within the app.

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Section 43

Step 4: Pair the Lock

- Follow the on-screen instructions in the app to complete pairing. - Ensure your phone is connected to a 2.4GHz Wi-Fi network. 5GHz Wi-Fi networks are not supported

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Section 44

Don't Want to Use the App?

You can program the lock manually in Standalone Mode. See the guide on Page 16 for instructions.

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Section 45

3.1 Unlocking From Outside

You can unlock the U-bolt Pro Wi-Fi using any of the following methods:

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Section 46

- User Code

Enter your 4-8 digit code, then press ULTRALOQ button to unlock.

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Section 47

Fingerprint

Place your finger on Fingerprint Reader to unlock.

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Section 48

- Smartphone

Use your smartphone to unlock. Please refer to the guide in app.

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Section 49

3.2 Locking From Outside

- Press ULTRALOQ button to lock manually. - Enable Auto Lock feature and the lock to automatically relock after the door is closed.

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Section 50

3.3 Unlocking From Inside

- Rotate the interior thumb turn to the vertical position to unlock.

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Section 51

3.4 Resetting the Lock

Resetting will erase all data and restore factory default settings.

- If you are the U home app owner:

1. Open the app and click "Remove Device" to remove the lock from your U home . 2. You will hear 1 long beep followed by 2 short beeps, confirming the reset was successfully.

- If the lock does not reset automatically:

1. Use a Reset Needle to press the Reset Button. 2. Hold for 10 seconds, until you hear 1 long beep followed by 2 short beeps.

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Section 52

3.5 Replacing Batteries

Use 4 high-quality AA alkaline batteries when power is low or depleted. Open the battery cover and replace all batteries at once for optimal performance.

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Section 53

3.6 5V Emergency Power

Micro USB interface is used to connect regular 5V power bank to activate the lock in case the battery runs out.

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Section 54

3.7 Emergency Key Override

U-Bolt Pro Wi-Fi can be unlocked with backup key. Follow the steps in the picture below to pull the front panel.

1.Pull 2. Rotate 3.Insert

Important Note: Keep at least one Backup Key in a secure location outside your home in case of battery failure.

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Section 55

3.8 Enable or Disable Auto Lock

You can enable or disable the Auto Lock feature directly from the keypad:

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Section 56

To Enable Auto Lock:

- Ensure the bolt is in the unlocked position. - Press and hold the "1" button for 3 seconds. - The Tri-Color LED Indicator will light up green and you'll hear two beeps.

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Section 57

To Disable Auto Lock:

- Ensure the bolt is in the unlocked position. - Press and hold the "O" button for 3 seconds. - The Tri-Color LED Indicator will light up green and you'll hear two beeps.

Tip: You can also enable/disable Auto Lock and customize the relock delay in the U home app.

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Section 58

3.9 Anti-Peep Keypad

The lock supports a Vague Code (anti-peep feature) of up to 16-digits. As long as your correct user code appears in the correct sequence within the digits entered, the door will unlock.

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Section 59

Example

User Code: 123456

Valid Vague Code

123456XXXXXX - XXXXXX123456 - XXX123456XX

"X" represents any random digit. The correct code must appear in order, even if surrounded by other digits.

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Section 60

3.10 Place Finger

Bottom View Top View Side View
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Section 61

Some Tips to Improve Fingerprint Entry

1. For a higher recognition rate, please try to cover the Fingerprint Reader completely with your finger, touching the surrounding metal ring. 2. 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. 3. Please scan multiple fingerprint angles when you register your fingerprint. 4. While scanning your finger, you shouldn't tap too quickly or move your finger around.

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Section 62

4. Standalone Mode Programming Guide

Note: It is recommended to use the U home app to program your lock. If you don't have a smartphone or prefer not to use the app, you can follow the steps below.

Warning: Standalone Mode is NOT available once the lock is registered in the app. To enable Standalone Mode, you must reset the lock to Factory Default Mode first.

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Section 63

4.1 Add Admin Code in Standalone Mode

Admin Code must be created first prior to any other programming. Only one Admin Code is available.

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Section 64

4.2 Add User Code in Standalone Mode

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Section 65

4.3 Add Fingerprint in Standalone Mode

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Section 66

4.4 Delete Admin and User Codes

To delete the Admin and all Users Codes, reset the lock to Factory Default Mode.

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Section 67

4.5 How to Reset in Standalone Mode?

- Use a Reset Needle to press the Reset Button. - Hold for 10 seconds, until you hear 1 long beep followed by 2 short beeps.

The lock is now reset and ready to be programmed again in Standalone Mode.

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Section 68

1. How do I reset the lock?

Resetting will erase all data and restore factory default settings.

- If registered in the U home app: Tab "Remove Device" in the app. The lock will automatically reset. - If in Standalone Mode: Use a Reset Needle to press the Reset Button for 10 seconds, until you hear 1 long beep followed by 2 short beeps.

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Section 69

2. What if I lost the smartphone paired with the lock?

- Visit www.uhomelabs.com/account. - Or login to the U home app on another smartphone or tablet. - Change your U home Account password to secure your device.

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Section 70

3. How can I unlock the lock if the battery dies?

- When the battery is low, the lock will emit three beeps and the Tri-color LED indicator will flash red.

- Replace the batteries as soon as possible.

- If the battery is fully drained: 1: Use the backup key to unlock. 2: Connect Micro USB(5V) power bank to activate the lock temporarily.

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Section 71

4. What's the difference between Owner, Admin, Normal User and Temporary User?

RolePermissions
OwnerOriginal registrant. Full access to settings, logs, and user management.
AdminCan unlock via app, code, or keycard. Can manage users and settings.
Normal UserCan unlock via app, code, or keycard. No admin privileges.
Temporary UserLimited access during a scheduled time window.
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Section 72

5. Can I use third-party accessories (e.g., bolt)?

It is recommended to use the original ULTRALOQ accessories for best performance and stability.

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Section 73

6. What is the log capacity?

The lock stores up to 1,000 activity logs. Once full, the newest entries will overwrite the oldest automatically.

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Section 74

7. What is the user capacity?

The lock supports up to 50 users. Each user can register 1 code and 2 fingerprints.

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Section 75

8. How can I extend battery life?

Disable Remote Access to Lock in the U home app to significantly extend battery life.

Note:Disabling this will turn off remote features including Alexa, Google Assistant, IFTTT, SmartThings and smart notifications.

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Section 76

9. Do I need an ULTRALOQ Bridge?

No, the U-Bolt Pro Wi-Fi has built-in Wi-Fi and does not require an external hub.

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Section 77

10. What network does the lock support?

The lock supports 2.4GHz Wi-Fi only. 5Ghz Wi-Fi is not supported.

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Section 78

Keep Your Records

e.g.

DATEADMIN CODE
NAMEUSER CODE
Felix12345678
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Sourced from ULTRALOQ’s official documentation and typeset for web reading by Pindear. Always refer to the official source for critical safety information.
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