1. Introduction
This manual provides essential instructions for setting up, operating, and maintaining your wonlex KT24 Kids 4G Smart Watch. Please read this manual thoroughly before using the device to ensure proper function and safety. The wonlex KT24 is designed to keep children connected and safe with features like 4G calling, GPS tracking, and SOS alerts.

Image 1.1: wonlex KT24 Kids 4G Smart Watch overview.
2. Safety Information
- Do not attempt to disassemble or modify the watch.
- Keep the watch away from extreme temperatures and direct sunlight.
- Avoid exposing the watch to water beyond its specified water resistance rating.
- Use only the provided charging cable and adapter.
- Ensure children use the watch under adult supervision, especially during initial setup and feature exploration.
3. Package Contents
Verify that all items are present in the package:
- wonlex KT24 Smart Watch x 1
- Speedtalk SIM Card x 1
- Charging Cable x 2
- Tempered Glass Screen Protector x 1
- Alcohol Pad x 1
- User Manual x 1

Image 3.1: Contents included in the wonlex KT24 Smart Watch package.
4. Setup Guide
4.1 Charging the Watch
Before first use, fully charge the watch. Connect one of the provided charging cables to the watch's charging port and the other end to a USB power adapter (not included) or a computer's USB port. A full charge typically takes approximately 2 hours. The watch features a 1000mAh battery, offering up to 72 hours of standby time.

Image 4.1: The watch display showing battery charging status.
4.2 SIM Card Installation and Activation
The wonlex KT24 requires a Nano SIM card for 4G connectivity, calling, and GPS tracking features. A Speedtalk SIM card is included in your package.
- Turn off the watch: Navigate to the "Settings" menu on the watch and select the "Shutdown" option.
- Remove the watch back cover: Gently push your two thumbs down on the screen to release the back cover.
- Insert the Nano SIM Card: Locate the card slot on the left side of the 4G smartwatch. Pull out the card slot tray. Place the metal chip of the Nano SIM card upward and insert it into the card slot. Ensure it is a Nano SIM Card only; Normal SIM, Micro SIM, or cut SIM cards are not compatible.
- Reattach the back cover: Securely place the back cover back onto the watch.
- Turn on the watch: Press and hold the power button. Check for a 4G signal indicator on the watch screen.

Image 4.2: Visual guide for Nano SIM card installation.
SIM Card Activation: The included Speedtalk SIM card needs to be activated.
- Visit www.ActivateSpeedTalk.com or call Speedtalk Customer Service to activate your new number. Have your SIM card ready.
- Important: After SIM activation, it may take up to 24 hours for GPRS and data settings to sync and update with your device. Ensure the watch is powered on and in a good reception area.
- APN Setting Information:
- APN: mobilenet
- Username and password: Leave blank
- Note: Do not install your SIM card until activation is complete.

Image 4.3: Speedtalk SIM card activation details.
4.3 App Installation and Pairing
To manage the watch's features and communicate with your child, you need to install the companion app on your smartphone.
- Download the App: Search for the official wonlex app in your smartphone's app store (Google Play Store for Android or Apple App Store for iOS).
- Register an Account: Open the app and follow the on-screen instructions to register a new account.
- Bind the Watch: In the app, locate the option to "Add Device" or "Bind Watch." You will typically need to scan a QR code displayed on the watch screen or enter the watch's unique ID number.
- Configure Settings: Once paired, you can set up contacts, SOS numbers, GPS tracking intervals, and other features through the app.
5. Operating Instructions
5.1 Basic Navigation
The wonlex KT24 features a 1.4-inch OGS color touch screen. Swipe left/right or up/down to navigate through menus and applications. Tap to select an option. The physical button on the side typically serves as a power button and a back button or home button depending on the context.
5.2 Making and Receiving Calls
With a properly installed and activated SIM card, the watch can make and receive 4G calls.
- Making a Call: Access the "Phone" or "Contacts" application on the watch. Select a contact from the pre-set list (configured via the parent app) and tap to dial.
- Receiving a Call: When a call comes in, the watch will ring and display the caller ID. Tap the green answer icon to accept or the red hang-up icon to decline.

Image 5.1: Two-way calling functionality on the smartwatch.
5.3 WhatsApp and Video/Voice Chat
The watch supports WhatsApp, allowing for messaging, video, and voice calls.
- Accessing WhatsApp: Locate and tap the WhatsApp icon on the watch's app menu.
- Messaging: Send and receive text messages.
- Video/Voice Calls: Initiate video or voice calls with approved contacts.

Image 5.2: The smartwatch screen showing an active video call.

Image 5.3: The smartwatch interface showing WhatsApp messaging.
5.4 Real-time GPS Tracking
The watch combines GPS, Wi-Fi, and LBS for accurate location tracking. Parents can monitor their child's location in real-time via the companion app.
- Monitoring Location: Open the parent app on your smartphone to view the watch's current location on a map.
- Setting GPS Intervals: Configure how frequently the watch updates its location through the app settings.
- Geofence: Set up safe zones (geofences) in the app. You will receive alerts if the watch enters or exits these predefined areas.
- Note: For optimal GPS accuracy, use the positioning function outdoors in areas with good signal reception.

Image 5.4: GPS tracking and electronic fence features.
5.5 SOS Alarm Function
In an emergency, the child can activate the SOS function.
- Activation: Long press the Power Button for 3 seconds.
- Alerts: The watch will automatically call and send alerts to the three pre-set emergency phone numbers (configured in the parent app). It will cycle through these numbers until one is answered.
- Location Sharing: Simultaneously, the watch will send its current GPS location to the emergency contacts.

Image 5.5: Visual representation of the SOS calling function.
5.6 Camera and Video Recording
The watch includes a camera for taking photos and recording videos.
- Taking Photos: Open the "Camera" app on the watch and tap the shutter icon.
- Video Recording: Select the video recording option within the camera app to start and stop recording.
- Viewing Media: Access the "Gallery" or "Video Player" app to view captured photos and videos.

Image 5.6: Camera and video recording functions.
5.7 Pedometer
The built-in pedometer tracks your child's steps throughout the day. Access the "Pedometer" app to view daily step counts.
5.8 Class Mode
Class Mode allows parents to set specific times during which the watch's functions are limited to prevent distractions during school hours. Only SOS calls will function during this mode. This feature is configured via the parent app.

Image 5.7: Class Mode feature for limiting distractions.
5.9 Alarm
Set alarms for reminders, wake-up times, or other events through the "Alarm" app on the watch or via the parent app.

Image 5.8: Alarm function for reminders.
6. Maintenance
- Cleaning: Wipe the watch screen and body with a soft, dry cloth. For stubborn smudges, use a slightly damp cloth and immediately dry. Avoid harsh chemicals or abrasive materials.
- Battery Care: To prolong battery life, avoid fully discharging the watch frequently. Charge it regularly and avoid leaving it uncharged for extended periods.
- Water Resistance: The watch has a certain level of water resistance (check product specifications for exact rating). Avoid submerging the watch in water or exposing it to high-pressure water jets. Dry the watch thoroughly if it gets wet.
7. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Watch not turning on | Ensure the watch is fully charged. Press and hold the power button for at least 10 seconds. |
| No 4G signal / Cannot make calls |
|
| Inaccurate GPS location |
|
| Cannot pair with app |
|
| Watch screen unresponsive | Restart the watch by holding the power button. If unresponsive, allow the battery to fully drain and then recharge. |
8. Specifications
- Model Number: KT24
- Screen: 1.4-inch OGS Color Touch Screen
- Connectivity: 4G, Wi-Fi, GPS, LBS
- Battery: 1000mAh Lithium Polymer (included)
- Charging Time: Approximately 2 hours
- Standby Time: Up to 72 hours
- Operating System: Android 8.1
- SIM Card Type: Nano SIM Card
- Dimensions: 4.29 x 3.9 x 3.82 inches (Package)
- Weight: 6.2 ounces (Package)
9. Warranty and Support
wonlex products purchased from official authorized stores typically include a one-year after-sales service warranty. For warranty claims, technical support, or further assistance, please contact wonlex customer service through their official website or the contact information provided with your purchase.
You can find more information and support resources on the wonlex Store on Amazon.





