Introduction
The XINDADA Hello Watch 3 Plus is a 49mm smartwatch designed for comprehensive daily use. It features an HD AMOLED display, 1GB of internal storage, NFC capabilities, and Bluetooth calling. This manual provides essential information for setting up, operating, and maintaining your device.

Image: Front view of the Hello Watch 3 Plus Smartwatch, highlighting its AMOLED display, Bluetooth call function, 2.2-inch full screen, IP68 waterproof rating, and Watch OS10.
Setup
1. Unboxing and Initial Charge
Upon unboxing, ensure all components are present: the Hello Watch 3 Plus smartwatch, a standard silicone strap, and the wireless magnetic charger. Before first use, fully charge the smartwatch using the provided magnetic charger.

Image: The retail packaging for the Hello Watch 3 Plus Smartwatch, showing two boxes.
2. App Installation and Pairing
To unlock the full functionality of your smartwatch, download and install the QiFi application on your smartphone. The smartwatch is compatible with devices running Android 5.0+ and iOS 8.0+.
- Search for "QiFi" in your smartphone's app store (Google Play Store for Android, Apple App Store for iOS).
- Download and install the application.
- Open the QiFi app and follow the on-screen instructions to pair your Hello Watch 3 Plus via Bluetooth. Ensure Bluetooth is enabled on your smartphone.
Operating Instructions
1. Display and Navigation
The smartwatch features a 2.2-inch Full HD AMOLED Ltpo display with a resolution of 425x518 pixels and a 90Hz refresh rate. Navigate the interface by swiping across the screen and tapping icons. Covering the screen with your palm can turn off the display.
2. Core Functions
- Bluetooth Calling: Make and receive calls directly from your wrist when connected to your smartphone.
- Notifications: Receive alerts for unread messages, indicated by a red dot.
- NFC Access Control: Utilize NFC for access control unlocking where supported.
- Custom Shortcuts: Personalize the shortcut action bar for quick access to frequently used features.
- Local Music & E-books: The 1GB ROM allows for local storage of music and e-books, compatible with both iOS and Android phones for content transfer.
- Applications: The device comes with preloaded applications. Some integrated applications can be uninstalled.

Image: The smartwatch interface displaying multiple applications and a weather forecast, demonstrating the new system and wallpaper capabilities.
3. Sport Modes and Buttons
The Hello Watch 3 Plus supports 173 sport modes. Access these modes and other functions using the physical buttons, including the metal strap lock button and the dedicated orange sport button.

Image: Illustration of the smartwatch's 173 sport modes and the orange sport button, with a background of rock climbers.
Maintenance
1. Cleaning
Regularly clean your smartwatch and strap with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials, which can damage the device's finish or screen.
2. Water Resistance
The Hello Watch 3 Plus is rated as waterproof. However, it is recommended to avoid prolonged submersion in water, hot water, or exposure to high-pressure water jets to maintain its integrity.
3. Battery Care
The device is equipped with a 450mAh lithium-ion polymer battery. For optimal battery life, avoid extreme temperatures and fully charge the device before it completely drains. Use only the provided magnetic wireless charger.
Troubleshooting
If you encounter issues with your Hello Watch 3 Plus, try the following steps:
- Device Not Turning On: Ensure the watch is fully charged. Connect it to the magnetic charger and wait a few minutes before attempting to power it on.
- Pairing Issues:
- Ensure Bluetooth is enabled on your smartphone.
- Restart both your smartwatch and smartphone.
- Clear the Bluetooth cache on your smartphone (Android) or forget the device and re-pair (iOS/Android).
- Ensure the QiFi app is up to date.
- Inaccurate Readings (e.g., health monitoring): Ensure the watch is worn snugly on your wrist, but not too tight. Clean the sensors on the back of the watch.
- App Functionality Issues: Check for app updates. If the problem persists, try reinstalling the QiFi app.
Firmware Information
For advanced troubleshooting or support, you may need to provide your device's firmware version. This information can typically be found in the watch's settings menu under "About Device" or "System Information."

Image: Smartwatch display showing device information including firmware and hardware versions.
Specifications
| Feature | Detail |
|---|---|
| Model Name | Hello Watch 3 Plus Smartwatch |
| Brand | XINDADA |
| Display | 2.2-inch Full HD AMOLED Ltpo, 425x518 resolution, 90Hz refresh rate |
| Storage | 128MB RAM (as per product description) + 1GB ROM (as per feature bullets and specifications 'Capacité de stockage de la mémoire') |
| Case Material | 1:1 49mm Titanium alloy case |
| Strap | Standard silicone strap (compatible with 44/45/49mm straps) |
| Charger | Magnetic wireless charging |
| Battery | 450mAh Lithium-ion Polymer |
| Bluetooth | 5.0 |
| App | QiFi |
| Compatibility | Android 5.0+, iOS 8.0+ |
| Operating System | Wear OS (Note: Product image also indicates "Watch OS10") |
| Water Resistance | Waterproof |
| Connectivity | Bluetooth, NFC |
| GPS | No GPS |
| Input Method | Buttons |
| Target Audience | Adults and teenagers |
Warranty and Support
Specific warranty information for the XINDADA Hello Watch 3 Plus Smartwatch is not provided in the product details. For warranty claims, technical support, or service inquiries, please refer to the retailer or manufacturer's official support channels. Keep your proof of purchase for any warranty-related requests.