Xiaomi Redmi 12 4G LTE User Manual

1. Introducció

The Xiaomi Redmi 12 4G LTE is a feature-rich smartphone designed for everyday use. It boasts a large 90Hz FHD+ display, a premium glass back design, and a powerful MediaTek Helio G88 Octa-core processor. This manual provides essential information on setting up, operating, maintaining, and troubleshooting your device.

Figura 1: Davant i darrere view of the Xiaomi Redmi 12 4G LTE in Polar Silver.

2. Què hi ha a la caixa

Upon unboxing your Xiaomi Redmi 12 4G LTE, verify that all the following items are included:

• Xiaomi Redmi 12 4G LTE Smartphone
• Carregador de cotxes ràpid
• Adaptador
• Funda de telèfon
• Cable USB

3. Configuració

3.1. Instal·lació de la targeta SIM i l'emmagatzematge

The Redmi 12 4G LTE supports dual Nano SIM cards or a hybrid slot for one SIM and one MicroSD card (up to 1TB expandable storage). To install:

1. Localitza la safata de la targeta SIM al lateral del dispositiu.
2. Introduïu l'eina d'expulsió de la SIM al forat petit que hi ha al costat de la safata i premeu suaument fins que la safata surti.
3. Place your Nano SIM card(s) and/or MicroSD card into the designated slots on the tray. Ensure proper orientation.
4. Empenyeu amb cura la safata cap a dins del dispositiu fins que quedi alineada amb el lateral.

3.2. Càrrega inicial

Before first use, it is recommended to fully charge your device. Use the provided adapter and USB cable. The device features a large 5000mAh battery and supports 18W fast charging.

3.3. Engegada i configuració inicial

Press and hold the power button until the Xiaomi logo appears. Follow the on-screen prompts to select your language, connect to Wi-Fi, and set up your Google account. The device runs on MIUI 14 based on Android 13.

4. Instruccions de funcionament

4.1. Pantalla i navegació

The Redmi 12 features a 6.79-inch FHD+ DotDisplay with a 90Hz AdaptiveSync refresh rate for smooth visuals. It also includes SGS Low Blue Light Certification and Reading mode 3.0 for eye comfort. Navigate using the touchscreen and on-screen buttons.

4.2. Característiques de la càmera

Capture high-quality photos and videos with the triple camera system:

• Càmera principal de 50MP: f/1.8 aperture for detailed shots.
• Càmera ultra gran angular de 8 MP: 120° FOV, f/2.2 for expansive scenes.
• Càmera macro de 2MP: f/2.4 for close-up photography.

La gravació de vídeo de la càmera posterior admet 1080p a 30 fps i 720p a 30 fps.

Figure 2: Rear camera module of the Xiaomi Redmi 12 4G LTE.

4.3. Rendiment i emmagatzematge

Powered by the MediaTek Helio G88 Octa-core processor, the device offers smooth performance for daily tasks. It comes with 4GB RAM and 128GB of internal storage, expandable up to 1TB via MicroSD card.

4.4. Àudio i connectivitat

The Redmi 12 features a 3.5mm headphone jack for wired audio and supports FM radio. Wireless connectivity includes Wi-Fi (2.4GHz | 5GHz) and Bluetooth 5.3. For navigation, it supports GPS, Glonass, Galileo, and Beidou.

4.5. Característiques de seguretat

Unlock your device securely using the side-mounted fingerprint sensor or AI face unlock.

5. Manteniment

5.1. Cura de la bateria

To maximize battery life, avoid extreme temperatures. Use only the provided or certified charging accessories. Regular full charge cycles are recommended, but avoid leaving the device plugged in for extended periods after reaching 100%.

5.2. Neteja del dispositiu

Clean the screen and body with a soft, lint-free cloth. Avoid using harsh chemicals or abrasive materials that could damage the device's finish or screen coating.

6. Solució De Problemes

6.1. Network Connectivity Issues (USA Market)

Please note that for the USA market, this global version of the Redmi 12 4G LTE is designed to work specifically on T-Mobile, Mint, and Tello networks. If you experience issues with mobile data or calls on other carriers, verify your network compatibility. Ensure your SIM card is properly inserted and your APN settings are correctly configured for your carrier.

6.2. Slow Performance or App Switching Delays

While the MediaTek Helio G88 processor provides good performance for everyday use, occasional slowdowns may occur, especially when switching between multiple demanding applications. To improve performance:

• Tanca les aplicacions en segon pla que no fas servir.
• Clear app caches regularly.
• Assegureu-vos que hi hagi prou espai d'emmagatzematge lliure.
• Restart the device periodically.

7. Especificacions

8. Garantia i Suport

Per obtenir informació sobre la garantia i assistència tècnica, consulteu la pàgina oficial de Xiaomi. weblloc web o poseu-vos en contacte amb el servei d'atenció al client. Conserveu el comprovant de compra per a qualsevol reclamació de garantia.