Manual d'usuari del telèfon intel·ligent Redmi 15 5G NFC

1. Introducció

This manual provides essential instructions for setting up, operating, and maintaining your Redmi 15 5G NFC smartphone. Please read this guide thoroughly to ensure proper usage and to maximize the device's capabilities.

Image 1: Redmi 15 5G NFC Smartphone (Titan Gray)

2. Què hi ha a la caixa

Verifiqueu que tots els elements siguin presents al paquet del producte:

• Redmi 15 5G NFC Smartphone
• Cable USB
• Funda de telèfon
• Guia d'inici ràpid (aquest document)

3. Configuració

3.1. Instal·lació de la targeta SIM

1. Localitza la safata de la targeta SIM al lateral del dispositiu.
2. Introduïu l'eina d'expulsió de la SIM al forat petit de la safata de la SIM.
3. Traieu suaument la safata de la targeta SIM.
4. Place your Nano-SIM card(s) and/or microSD card into the designated slots on the tray. This device supports Dual SIM or one SIM and one microSD card.
5. Torneu a inserir amb cura la safata de la targeta SIM al telèfon.

3.2. Engegada inicial i configuració de xarxa

1. Mantingueu premut el botó d'engegada fins que aparegui el logotip de Redmi.
2. Segueix les instruccions que apareixen a la pantalla per seleccionar l'idioma i la regió i connectar-te a una xarxa Wi-Fi.
3. The device will automatically detect your cellular network (5G, 4G VoLTE, 3G, 2G) if a SIM card is installed.
4. Complete the setup process, including Google account sign-in and security settings.

3.3. Funcionalitat NFC

The Redmi 15 5G includes NFC (Near Field Communication) for contactless payments and quick data transfer. To enable or disable NFC, navigate to Settings > Connection & sharing > NFC.

4. Funcionament del vostre dispositiu

4.1. Característiques de la pantalla

Your Redmi 15 5G features an immersive 6.9-inch FHD+ DotDisplay with a resolution of 2340 x 1080 pixels and a refresh rate of up to 144Hz for smooth visuals. The display also incorporates eye-care technologies certified by TÜV Rheinland for reduced blue light and flicker-free viewing.

Image 2: Immersive 6.9" FHD+ display and Smart Charging Engine 2.0

The device also features Wet Touch Technology 2.0, allowing for accurate touch response even when the screen is wet.

4.2. Ús de la càmera

The Redmi 15 5G is equipped with a 50MP AI dual camera system on the rear and an 8MP front camera. Both cameras support 1080p and 720p HD video recording at 30 frames per second.

Image 3: Quad-curved design, 33W fast charging, and 50MP AI dual camera system

Camera features include:

• Càmera principal de 50MP: 5P lens, f/1.8 aperture.
• Càmera frontal de 8MP: f/2 aperture, with features like filmCamera, HDR mode, Soft-light ring, Portrait mode, and Time-lapse.
• Creative AI Tools: For effortless photo and video editing.

4.3. Característiques de seguretat

Unlock your device using the side-mounted fingerprint sensor or AI face unlock for convenient and secure access.

4.4. Gestió de la bateria

The device is powered by a massive 7000mAh (typical) battery, designed for extended use. It supports 33W fast charging and 18W reverse charging.

Image 4: 7000mAh Xiaomi Surge Battery with extended usage times

Key battery features:

• Llarga durada: Up to 2.26 days of typical use, 25 hours of video playback, 108 hours of music playback, or 30 hours of reading.
• Low-Temperature Performance: Enhanced by a BatteryExtender Chip, supporting up to 12 hours of video playback or 7 hours of calling at -20°C.
• 1% Power Endurance: Even at 1% battery, the device can remain in standby mode for up to 7.5 hours or allow up to 59 minutes of calls.
• Durada de la bateria duradora: Maintains over 80% of its original capacity after 1600 full charge cycles.

4.5. Rendiment

The Redmi 15 5G is powered by the Snapdragon® 6s Gen 3 5G processor, built on an efficient 6nm process for fast and reliable performance.

Image 5: Snapdragon® 6s Gen 3 with 5G

It supports up to 16GB RAM with Memory extension (based on the 8GB RAM version), utilizing ROM storage for smoother multitasking.

4.6. Navigation and Connectivity

The device supports multiple navigation systems including GPS, Glonass, Galileo, and Beidou. Connectivity options include Wi-Fi and 5G cellular networks.

4.7. Google Gemini Integration

The Redmi 15 5G integrates with Google Gemini, an AI assistant to help with writing, brainstorming, learning, and more. Features include Gemini overlay for quick access, Gemini Live for conversational interaction, and image generation capabilities.

Image 6: Redmi 15 5G with Google Gemini features

5. Manteniment

5.1. Atenció general

Your device has an IP64 rating for dust and water resistance, offering protection against splashes and dust ingress. However, it is not waterproof and should not be submerged in water. Clean the screen and body with a soft, dry cloth. Avoid using harsh chemicals.

5.2. Actualitzacions de programari

The Redmi 15 5G runs on Xiaomi HyperOS based on Android 15. Ensure your device's software is up to date by regularly checking for updates in Configuració > Quant al telèfon > Actualització del sistema. Software updates provide performance improvements, security patches, and new features.

5.3. Gestió de l'emmagatzematge

The device comes with 128GB of internal storage and supports expandable storage up to 2TB via a microSD card. Regularly manage your files and applications to optimize performance. You can check storage usage in Configuració > Emmagatzematge.

6. Solució De Problemes

If you encounter issues with your Redmi 15 5G, consider the following basic troubleshooting steps:

• El dispositiu no respon: Premeu i manteniu premut el botó d'engegada durant uns 10 segons per forçar un reinici.
• Problemes de xarxa: Check if your SIM card is properly inserted. Try toggling Airplane Mode on and off. Verify your mobile data or Wi-Fi connection settings.
• Mal funcionament de l'aplicació: Tanca i torna a obrir l'aplicació. Si el problema persisteix, esborra la memòria cau de l'aplicació o torna-la a instal·lar.
• Esgotament ràpid de la bateria: Reduce screen brightness, disable unnecessary background apps, and limit location services.
• Rendiment lent: Clear cache, uninstall unused apps, and ensure sufficient free storage space.

For more complex issues, refer to the official Redmi support weblloc o contacteu amb el servei d'atenció al client.

7. Especificacions

8. Garantia i Suport

For detailed warranty information, please refer to the warranty card included with your product or visit the official Redmi website. For technical support, software updates, and additional resources, please visit the official Xiaomi support portal.