Redmi 12 Quick Start Guide

Thank you for choosing Redmi 12.

Long press the power button to turn on the device. Follow the on-screen instructions to configure the device. For more information, visit our official website: www.mi.com/global/service/userguide

MIUI

Redmi 12 comes pre-installed with MIUI, our customized Android-based OS which provides frequent updates and user-friendly features based on suggestions from over 200 million active users worldwide. For more information, please visit en.miui.com.

About SIM

Please do not insert non-standard SIM cards into the SIM card slot. They may damage the SIM card slot. WARNING: Do not disassemble this device.

WEEE (Waste Electrical and Electronic Equipment)

Special precautions must be taken to safely dispose of this product. This marking indicates that this product may not be discarded with other household waste in the EU. To prevent harm to the environment or human health from inappropriate waste disposal, and to promote sustainable reuse of material resources, please recycle responsibly. To safely recycle your device, please use return and collection systems or contact the retailer where the device was originally purchased.

Device Overview

The device features a display with the time "02 48 SAT. 16 AUG.". On the right side are the Volume Buttons and the Power Button. At the bottom is the USB Type-C Port. The device supports SIM cards and a Micro SD card, with illustrations showing SIM tray configurations for Nano-SIM and Nano-SIM/Micro SD.

Important Safety Information

CAUTION

RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO INSTRUCTIONS.

To prevent possible hearing damage, do not listen at high volume levels for long periods.

Additional safety information and precautions can be accessed at the following link: www.mi.com/en/certification

General Safety Guidelines

• Use of unauthorized cables, power adapters, or batteries can cause fire, explosion, electric shock, or damage the device.
• Device operating temperature range: 0°C to 40°C.
• Do not attempt to replace the built-in battery yourself.
• Charge only with included or authorized accessories.
• Disconnect adapter after charging. Do not charge for more than 12 hours.
• Recycle or dispose of batteries separately from household waste. Mishandling may cause fire or explosion.
• Do not disassemble, hit, crush, or burn the battery. Stop use if deformed or damaged.
• Do not short circuit the battery.
• Do not place the battery in high-temperature environments.

Safety Precautions

• Observe all applicable laws and rules restricting mobile phone use.
• Do not use your phone in explosive environments (e.g., petrol stations, fuel storage). Obey posted signs to turn off wireless devices.
• Do not use your phone in hospitals (operating rooms, emergency rooms, ICU). Consult doctors for medical device interference. Maintain at least 15 cm distance from pacemakers. Avoid use near hearing aids or cochlear implants.
• Observe aircraft safety regulations and turn off your phone on board aircraft when required.
• Use your phone in accordance with traffic laws when driving.
• Do not use your phone outdoors during thunderstorms to avoid lightning strikes.
• Do not make calls while charging.
• Avoid high humidity environments (e.g., bathrooms) to prevent electric shock or damage.

Security Statement

Please update your phone's operating system using the built-in software update feature or visit authorized service outlets. Updating via other means may damage the device or result in data loss or security issues.

EU Regulations

RED Declaration of Conformity

Xiaomi Communications Co., Ltd. declares that this GSM / GPRS / EDGE / UMTS / LTE Digital Mobile Phone with Bluetooth and Wi-Fi (Model: 23053RN02A) complies with essential requirements of Directive 2014/53/EU. The full text is available at: www.mi.com/en/certification.

RF Exposure Information (SAR)

This device complies with Specific Absorption Rate (SAR) limits for general population/uncontrolled exposure (Localized 10-gram SAR for head and trunk: 2.0W/kg) as specified by Council Recommendation 1999/519/EC, ICNIRP Guidelines, and RED (Directive 2014/53/EU).

During SAR testing, the device transmitted at its highest certified power level. For body-worn operation, SAR compliance is based on a 5 mm separation distance from the body. Use a belt clip or holster without metallic components and maintain at least 5 mm separation. Avoid accessories with metal worn on the body.

Certification Information (Highest SAR)

This radio communication equipment has a SAR of 0.923 W/kg, complying with the Safety Standard for the Use of Radio communication Equipment on Human Health.

Legal Information

This device may be operated in all EU member states. Observe national and local regulations.

Use in the 5250 to 5350 MHz frequency range is restricted to indoor use in specific EU countries: AT,BE,BG,HR,CY,CZ,DK,EE,FI,FR,DE,EL,HU,IE,IT,LV,LT,LU,MT,NL,PL,PT,RO,SK,SI,ES,SE,UK(NI),IS,LI,NO,CH,TR.

Wi-Fi connectivity may vary by region and network support.

2.4 GHz Band Restriction: This subsection does not apply within a 20 km radius of Ny-Ålesund, Norway.

Ensure power adapters comply with applicable country and international safety standards.

Frequency Bands and Power (EU)

• GSM 900: 35.5 dBm
• GSM 1800: 32.5 dBm
• WCDMA band 1/8: 25.7 dBm
• LTE band 1/3/7/8/20/28/38/40/41: 25.7 dBm
• Bluetooth: 20 dBm
• Wi-Fi 2.4 GHz: 20 dBm
• Wi-Fi 5 GHz: 5150-5250MHz: 23 dBm, 5250-5350 MHz: 20 dBm, 5470-5725 MHz: 20 dBm, 5725-5850 MHz: 14 dBm

FCC Regulations

This mobile phone complies with Part 15 of the FCC Rules. Operation is subject to two conditions: (1) no harmful interference, and (2) acceptance of any interference received. Tested and found to comply with Class B digital device limits for residential installations. This equipment may cause radio interference if not installed correctly. If interference occurs, try reorienting the antenna, increasing separation, or consulting a dealer/technician.

RF Exposure Information (SAR)

This device meets government requirements for radio wave exposure. The SAR limit set by the FCC for body-worn operation is 1.6 W/Kg. Tested with accessories that contain no metal and position the device at least 1.0 cm from the body. Use accessories that maintain at least 1.0 cm separation from the body.

FCC Note

Unauthorized modifications may void the user's authority to operate the equipment. Shielded cables must be used for compliance with Class B FCC limits.

E-label

Access certification information via Settings > About phone > Certification.

Model and Manufacturer Information

Model: 23053RN02A (2305 indicates launch after 202305).

NBTC: The telecommunication equipment and this device conform to the requirements of NBTC.

Disclaimer

This user guide is published by Xiaomi. Xiaomi may make improvements and changes without notice. Illustrations are for reference only and may not accurately depict the actual device.

Manufacturer Details

Manufacturer: Xiaomi Communications Co., Ltd.

Address: #019, 9th Floor, Building 6, 33 Xi'erqi Middle Road, Haidian District, Beijing, China, 100085

Brand: Redmi

Model: 23053RN02A

© Xiaomi Inc. All rights reserved.