1. Introdución
This manual provides essential information for setting up, operating, and maintaining your Xiaomi Redmi Note 12s smartphone. Please read this guide thoroughly to ensure optimal performance and longevity of your device.
The Redmi Note 12s is designed to offer a smooth and responsive user experience with its advanced display, powerful camera system, and efficient processor.
2. Que hai na caixa
Upon unboxing your Xiaomi Redmi Note 12s, you should find the following items:
- Xiaomi Redmi Note 12s Smartphone
- Adaptador de alimentación
- Cable USB Tipo-C
- Funda protectora para teléfono
- Cargador de coche rápido
3. Dispositivo rematadoview
Familiarize yourself with the physical components of your Xiaomi Redmi Note 12s.

Figura 1: Parte dianteira e traseira view of the Xiaomi Redmi Note 12s smartphone.

Figura 2: Arriba view showing the 3.5mm audio jack and IR blaster, and bottom view showing the USB Type-C port, microphone, and speaker grille.

Figure 3: Right side of the device featuring the power button (which may integrate a fingerprint sensor) and volume rocker.

Figure 4: Left side of the device showing the SIM card tray.
4. Configuración
4.1 Inserción da tarxeta SIM e da tarxeta MicroSD
- Localiza a bandexa da tarxeta SIM no lado esquerdo do teu dispositivo.
- Insert the SIM ejector tool (not included, but typically found with new phones) into the small hole on the tray.
- Empurre suavemente ata que a bandexa saia expulsada.
- Place your Nano-SIM card(s) and/or MicroSD card into the designated slots on the tray. Ensure the gold contacts are facing downwards.
- Volva inserir a bandexa con coidado no dispositivo ata que encaixe no seu lugar.
4.2 Encendido inicial
- Press and hold the Power button (located on the right side) until the Xiaomi logo appears on the screen.
- Siga as instrucións na pantalla para completar a configuración inicial, incluíndo a selección do idioma, a conexión wifi, a configuración da conta de Google e os axustes de seguridade.
5. Funcionamento do teu dispositivo
5.1 Características de visualización
Your Redmi Note 12s features a 6.67-inch AMOLED display with a 2400 x 1080 resolution and a 120Hz refresh rate, providing vivid picture quality and smooth scrolling.
- Brillo: The display offers 450 nits brightness for comfortable viewen diferentes condicións de iluminación.
- Frecuencia de actualización: The 120Hz refresh rate ensures a fluid visual experience, especially during gaming and scrolling.
5.2 Uso da cámara
O dispositivo está equipado cun versátil sistema de tres cámaras:
- Cámara principal: 108MP for crisp and detailed photos.
- Cámara ultra gran angular: 8MP para capturar escenas máis amplas.
- Cámara macro: 2MP for close-up shots.
- Cámara frontal: 13MP para selfies e videochamadas.
- Gravación de vídeo: Supports 4K video recording.
To access the camera, tap the Camera app icon on your home screen. Select your desired mode (Photo, Video, Portrait, etc.) and tap the shutter button to capture.

Figure 5: Close-up of the rear camera module, highlighting the 108MP main sensor.
5.3 Rendemento superiorview
The Redmi Note 12s is powered by a MediaTek Helio G96 685 CPU and 8GB of RAM, ensuring smooth multitasking and responsive performance for daily tasks and gaming.
5.4 Batería e carga
The device is equipped with a 5000mAh battery, providing long-lasting power. It supports 33W fast charging, capable of reaching 50% charge in approximately 22 minutes.
- Use the provided USB Type-C cable and power adapter for optimal charging speed.
- Avoid using damaged cables or chargers to prevent device damage or safety hazards.
5.5 Software and Operating System
Your Redmi Note 12s runs on MIUI 14, based on Android 13, offering a user-friendly interface with various customization options and features.
6. Mantemento
6.1 Limpeza do dispositivo
- Use un pano suave e sen pelusa para limpar a pantalla e o corpo do dispositivo.
- Evita o uso de produtos químicos agresivos ou materiais abrasivos que poidan danar a pantalla ou o acabado.
6.2 Actualizacións de software
Comprobe e instale actualizacións de software regularmente para garantir que o seu dispositivo teña as últimas funcións, parches de seguridade e melloras de rendemento. Normalmente pode atopar esta opción en Configuración > Acerca do teléfono > Versión MIUI.
6.3 Coidado coa batería
- Evite expoñer o dispositivo a temperaturas extremas.
- Do not fully discharge the battery frequently; try to keep the charge between 20% and 80% for optimal battery health.
7 Solución de problemas
7.1 Problemas comúns
- O dispositivo non se acende: Ensure the battery is charged. Connect the device to the charger and wait a few minutes before attempting to power it on again.
- Tarxeta SIM non detectada: Ensure the SIM card is correctly inserted into the tray. Restart the device. If the issue persists, try the SIM card in another compatible device to rule out a faulty SIM.
- Carga lenta: Use the original charger and cable. Ensure the charging port is clean and free of debris.
- A aplicación falla/conxélase: Pecha a aplicación problemática e volve abrila. Se o problema continúa, borra a caché da aplicación ou reinstauraa.
8. Especificacións
| Nome do modelo | Redmi Note 12s |
| Número de modelo | 2303ERA42L |
| Mostrar | 6.67-inch AMOLED, 2400 x 1080 resolution, 120Hz Refresh Rate, 450 nits brightness |
| Procesador | MediaTek Helio G96 685 CPU |
| RAM | 8 GB |
| Almacenamento interno | 256 GB (supports microSD card) |
| Cámara traseira | Principal de 108 MP, ultra gran angular de 8 MP, macro de 2 MP |
| Cámara frontal | 13 MP |
| Gravación de vídeo | Gravación de vídeo 4K |
| Batería | 5000 mAh, carga rápida de 33 W |
| Sistema Operativo | MIUI 14, Android 13 |
| Conectividade | GPS, GLONASS, Wi-Fi, Bluetooth, USB Type-C |
| Dimensións | 6.26 x 2.87 x 0.35 polgadas |
| Peso | 6.2 onzas (176 gramos) |
9. 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. website. This product is sold as Global Unlocked with no warranty from the seller, please check with the manufacturer for specific warranty terms in your region.