1. Introdución
This manual provides essential information for the safe and efficient use of your XIAOMI Redmi 15C 4G LTE smartphone. Please read this manual thoroughly before using your device to ensure optimal performance and longevity. Keep this manual for future reference.
2. Información de seguridade
- Non expoñas o dispositivo a temperaturas extremas, luz solar directa nin humidade elevada.
- Empregue só cargadores e accesorios homologados para evitar danos e garantir a seguridade.
- Evite deixar caer o dispositivo nin someterlo a impactos fortes.
- Keep the device away from medical implants and devices.
- Desfágase do dispositivo e da súa batería de forma responsable segundo a normativa local.
3. Contido do paquete
Upon unboxing your XIAOMI Redmi 15C, verify that the following items are included:
- XIAOMI Redmi 15C Smartphone
- Cargador de pared de 33 W
- USB Type-C Cable (Adapter)
- Funda do teléfono
- Manual de usuario (este documento)
4. Dispositivo rematadoview
The XIAOMI Redmi 15C features a sleek design with a large display and a prominent camera module. Familiarize yourself with the physical components of your device.

Descrición da imaxe: This image displays the front and back of the XIAOMI Redmi 15C 4G LTE smartphone. The front shows the large display with a small notch for the front camera. The back highlights the mint green color, the XIAOMI branding, and the dual camera system with a 50MP main sensor.
5. Configuración
5.1. Instalación da tarxeta SIM e da tarxeta MicroSD
- Localiza a bandexa da tarxeta SIM no lateral do teu dispositivo.
- Insira a ferramenta de expulsión da tarxeta SIM no pequeno orificio que hai xunto á bandexa e empurre suavemente ata que esta saia.
- Place your Nano-SIM card(s) and/or MicroSD card into the designated slots on the tray. This device supports Dual Nano SIM and 1 MicroSD card.
- Volva a introducir coidadosamente a bandexa no dispositivo.
5.2. Acendido inicial e compatibilidade de rede
To power on your device, press and hold the power button until the XIAOMI logo appears. Follow the on-screen instructions for initial setup.
Important Network Compatibility Information for USA Users:
The XIAOMI Redmi 15C 4G LTE is designed for specific network compatibility. Please review the information below to ensure your carrier is supported.

Descrición da imaxe: This chart visually indicates network compatibility for the XIAOMI Redmi 15C 4G LTE. The green 'COMPATIBLE' section lists T-MOBILE, MINT, TELLO, ULTRA, and 'OUTSIDE USA'. The red 'NOT COMPATIBLE' section lists VERIZON, AT&T, XFINITY, BOOST, VIRGIN, VISIBLE, CRICKET, and 'OTHER CDMA CARRIER'.
For users in the USA, this device is primarily compatible with T-MOBILE and MiNT networks. It is recommended to use a previously activated SIM card for these carriers. The device is a Worldwide Unlocked Dual Nano SIM phone, supporting 4G VoLTE outside the USA.
Bandas de rede compatibles:
- 2G GSM: 2/3/5/8
- 3G WCDMA: 1/5/8
- FDD 4G LTE: 1/2/3/4/5/7/8/20/28
- 4G LTE TDD: 38/40/41
Please note that this model does NON include NFC functionality.
6. Funcionamento do teu dispositivo
6.1. Pantalla e navegación
The Redmi 15C features a 6.9-inch FHD+ DotDisplay with a resolution of 720x1600. It offers a refresh rate of up to 120Hz for smooth scrolling and a touch sampling rate of up to 288Hz for responsive interaction. The display is TüV Rheinland certified for Low Blue Light, Circadian Friendly, and Flicker Free operation, enhancing eye comfort.
6.2. Funcións da cámara
Your device is equipped with a 50MP main camera (f/1.8, 5P lens) and an auxiliary lens for high-quality photography. The 8MP front camera (f/2) includes features like filmCamera, HDR mode, Soft-light ring, Portrait mode, and Time-lapse. Video recording supports 1080p and 720p at 30 fps for both front and rear cameras.
6.3. Xestión da batería
The Redmi 15C is powered by a massive 6000mAh (typical) battery, providing extended usage. It supports 33W turbo charging, allowing for quick recharges using the included 33W wall charger and USB Type-C cable.
6.4. Conectividade
The device supports Wi-Fi (2.4GHz | 5GHz) and Bluetooth 5.1 for wireless connections. For navigation, it includes GPS, AGPS, GLONASS, Beidou, and Galileo. A 3.5mm headphone jack is also available.
7. Mantemento
- Limpeza: Usa un pano suave e sen fiapos para limpar a pantalla e a carcasa. Evita produtos químicos agresivos.
- Actualizacións de software: Comprobe e instale regularmente actualizacións do sistema para garantir un rendemento e unha seguridade óptimos.
- Xestión de almacenamento: Limpar periodicamente o innecesario fileaplicacións para manter espazo de almacenamento e velocidade do dispositivo suficientes.
- Coidado da batería: Avoid fully discharging the battery frequently. Charge your device before the battery level drops too low.
8 Solución de problemas
- O dispositivo non se acende: Asegúrate de que a batería estea cargada. Conéctaa ao cargador durante polo menos 10 minutos antes de tentar acender de novo.
- Problemas de conexión á rede: Verify SIM card installation. Check network compatibility with your carrier. Restart the device.
- Aplicacións que se conxelan ou fallan: Close background applications. Clear app cache. If the issue persists, restart the device.
- Rendemento lento: Free up storage space. Close unused apps. Consider a factory reset as a last resort (back up data first).
9. Especificacións
| Característica | Especificación |
|---|---|
| Nome do modelo | Redmi 15C (25078RA3EL) |
| Sistema Operativo | Xiaomi HyperOS baseado en Android 15 |
| Tamaño de visualización | 6.9 Inches FHD+ DotDisplay |
| Resolución | 720 x 1600 |
| Taxa de actualización | Ata 120 Hz |
| Procesador | Octa Core Helio G81 (2.0 GHz CPU Speed) |
| Memoria RAM | 4 GB |
| Almacenamento interno | 128 GB |
| Cámara principal | 50MP (f/1.8) + Auxiliary lens |
| Cámara frontal | 8MP (f/2) |
| Capacidade da batería | 6000 mAh (típico) |
| Cargando | Carga turbo de 33 W |
| Conectividade | Wi-Fi (2.4GHz/5GHz), Bluetooth 5.1, GPS, AGPS, GLONASS, Beidou, Galileo |
| Jack de audio | 3.5 mm |
| Tipo de SIM | Dual Nano SIM + 1 Micro SD Slot |
| Características especiais | Rear fingerprint sensor, AI face unlock, Dual Camera |
| Cor | Verde menta |
| Peso do elemento | 6 onzas |
| Dimensións do paquete | 7 x 4 x 2 polgadas |
10. Información normativa
Your XIAOMI Redmi 15C complies with various international regulatory standards. Key certifications are detailed below.

Descrición da imaxe: This image displays the regulatory labels found on the XIAOMI Redmi 15C. It includes the CE mark for European conformity, the FCC ID: 2AFZZRA3EL for the United States, the NOM certification for Mexico, and the SUTEL mark for Costa Rica, indicating compliance with respective regional standards.
ID FCC: 2AFZZRA3EL
Este dispositivo cumpre coa Parte 15 das normas da FCC. O funcionamento está suxeito ás dúas condicións seguintes: (1) Este dispositivo non pode causar interferencias prexudiciais e (2) este dispositivo debe aceptar calquera interferencia recibida, incluídas as que poidan causar un funcionamento non desexado.
11. Garantía e soporte
Para obter información sobre a garantía e a atención ao cliente, consulte a tarxeta de garantía incluída na embalaxe do produto ou visite o sitio web oficial de XIAOMI. websitio. Garda o comprobante de compra para reclamacións de garantía.