1. Introdución e finalview
Welcome to the user manual for your new Xiaomi 15T smartphone. This guide provides essential information to help you get started, understand its features, and maintain your device. The Xiaomi 15T combines advanced photography capabilities with a powerful processor and an immersive display, designed for a seamless user experience.
As características principais inclúen:
- Leica Summilux Optical Lenses: For professional-grade photography.
- Immersive 6.83" 120Hz Eye-Care Display: Offering ultra-clear visuals with a 1.5K resolution.
- MediaTek Dimensity 8400-Ultra: Delivering powerful and efficient performance.
- Long-lasting 5,500 mAh Battery: Supported by 67W HyperCharge for quick power-ups.
- Clasificación IP68: Ensuring enhanced water and dust resistance.
- Xiaomi 3D IceLoop System: For efficient heat dissipation and sustained performance.

2. Que hai na caixa
Upon unboxing your Xiaomi 15T, please verify that all the following items are present:
- Smartphone Xiaomi 15T
- Cable USB-C
- Ferramenta de expulsión de SIM
- Funda de silicona
- Ring Holder (may vary by region/bundle)
Note: The charger is not included with this device and must be purchased separately.

3. Configuración
3.1. Inserir a tarxeta SIM
- Locate the SIM card tray on the side of your Xiaomi 15T.
- Insira a ferramenta de expulsión da tarxeta SIM fornecida no pequeno orificio que hai xunto á bandexa e prema suavemente ata que esta saia.
- Coloca a(s) tarxeta(s) nano-SIM na bandexa cos contactos dourados cara abaixo. Asegúrate de que estean correctamente asentadas.
- Empurre con coidado a bandexa de volta no teléfono ata que encaixe no seu lugar.
3.2. Acendido e configuración iniciais
- Press and hold the Power button (located on the right side of the device) until the Xiaomi logo appears.
- Segue as instrucións en pantalla para seleccionar o teu idioma, rexión, conectarte á wifi e configurar a túa conta de Google.
- You will be guided through setting up security features such as fingerprint unlock and facial recognition.
3.3. Cargando o dispositivo
The Xiaomi 15T supports 67W HyperCharge. For optimal charging speed, use a compatible 67W charger (not included). Connect the USB-C cable to your phone and the charger, then plug the charger into a power outlet.
- A full charge from 0% to 100% can be achieved in approximately 50 minutes with a compatible charger.
- The device features a 5,500 mAh (typical) battery, providing extended usage time.
4. Operating Your Xiaomi 15T
4.1. Características da pantalla
The Xiaomi 15T features an immersive 6.83-inch 120Hz Eye-Care Display with a 1.5K resolution, offering stunning visuals and smooth scrolling. Key display specifications include:
- Densidade de píxeles: 447 ppp
- Profundidade de cor: 12 bits
- Relación de contraste: 5,000,000:1
- Frecuencia de actualización: 120 Hz
- Toca Samptaxa de ling: 480Hz (up to 2560Hz instant touch sampling)
- Brillo: Up to 3200 nits peak brightness for optimal readability in all lighting conditions.
The display also incorporates advanced eye protection features, including 3840 Hz dimming, 16000 levels of automatic brightness, and adaptive colors to reduce eye strain. AI display features enhance user interaction with smart lock detection, intelligent Always-On-Display (AOD), and increased touch precision.

4.2. Sistema de cámaras
The Xiaomi 15T features a versatile triple Leica camera system, designed for professional photography. It includes Leica Summilux optical lenses, offering exceptional clarity and detail even in low-light conditions.
- Triple Lens System: Covers a focal length range from 15mm to 92mm, allowing you to capture both wide landscapes and detailed close-ups.
- Cámara teleobxectiva: Provides a natural perspective, ideal for portraits and capturing important moments with emotional depth.
- HDR10+: Ensures richer, more vibrant colors and realistic light and shadow performance across all focal lengths.
- Gravación de vídeo: Supports Log 10-bit LUT 4K 60fps, preserving maximum detail for creative post-production. Professional mode allows importing various LUTs for diverse tonal styles.

4.3. Rendemento
Powered by the MediaTek Dimensity 8400-Ultra processor, the Xiaomi 15T delivers powerful and smooth performance. This 4nm flagship processor, built with ARM® Cortex®-A725 Big-Core architecture, ensures exceptional performance and a super fluid user experience. Enhanced fluidity is further supported by LPDDR5X RAM and UFS 4.1 storage.
4.4. Conectividade
The Xiaomi 15T supports 5G connectivity. With the internally developed Xiaomi Surge T1S tuner and Super Antenna Array, the device optimizes Wi-Fi, Bluetooth, GPS, and cellular signals across 16 scenarios, ensuring a smoother and smarter connection anytime, anywhere.
4.5. Software
The Xiaomi 15T runs on Xiaomi HyperOS, offering a highly customizable and efficient operating system. It also integrates with Google Gemini, providing a personal AI assistant to enhance your productivity and creativity.
5. Mantemento
5.1. Sistema de refrixeración
The Xiaomi 15T features the Xiaomi 3D IceLoop System. This advanced cooling system adheres perfectly to the chip for rapid heat dissipation, ensuring efficient cooling and consistent performance even during intensive use.

5.2. Resistencia á auga e ao po
The Xiaomi 15T boasts an IP68 rating, indicating improved water and dust resistance. It can withstand immersion in water up to 3 meters deep. While designed to be robust, avoid intentional exposure to water and always ensure ports are dry before charging.

6 Solución de problemas
If you encounter any issues with your Xiaomi 15T, consider the following general troubleshooting steps:
- Reinicie o dispositivo: Un simple reinicio pode resolver a miúdo pequenos erros de software.
- Comproba as conexións: Ensure Wi-Fi, Bluetooth, or cellular data are properly enabled and connected.
- Actualizar software: Make sure your device is running the latest version of HyperOS. Go to Settings > About phone > System update.
- Borrar caché: If an app is misbehaving, try clearing its cache in Settings > Apps > [App Name] > Storage > Clear cache.
- Restablecemento de fábrica: Como último recurso, podes realizar un restablecemento de fábrica. Aviso: Isto borrará todos os datos do teu teléfono. Fai unha copia de seguridade dos datos importantes antes de continuar.
For more specific issues, refer to the official Xiaomi support websitio ou póñase en contacto co servizo de atención ao cliente.
7. Especificacións
Below are the detailed technical specifications for the Xiaomi 15T smartphone:
| Parámetro | Valor |
|---|---|
| Marca | XIAOMI |
| Identificador de modelo | 15 T |
| Tipo de dispositivo | Teléfono intelixente |
| Sistema Operativo | Hipersistema operativo |
| Tamaño da RAM | 12 GB |
| Capacidade de almacenamento | 256 GB |
| Tamaño da pantalla | 6.83 polgadas |
| Resolución | 1920 x 1440 |
| Taxa de actualización | 120 Hz |
| Capacidade nominal da batería | 5350 mAh (typical 5500 mAh) |
| Tecnoloxía Celular | 5G |
| Wireless Provider | Desbloqueado |
| Charger Socket Type | USB-C |
| Degree of Protection (IP Rating) | IP68 |
| Water Immersion Depth (IPX8) | 3 m |
| Screen Scratch Resistance (Mohs scale) | 6 |
| Fabricante | Xiaomi |
| País de Orixe | China |
| Primeira data dispoñible | 24 de setembro de 2025 |

8. Garantía e soporte
Your Xiaomi 15T smartphone comes with a 2 ano de garantía, covering manufacturing defects and ensuring peace of mind. For warranty claims or technical support, please refer to the official Xiaomi websitio web ou póñase en contacto co seu centro de servizo autorizado local.
For the latest software updates, FAQs, and additional support resources, visit the official Xiaomi support page: www.mi.com/global/support