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Xiaomi Redmi 9AT User Manual

Xiaomi Redmi 9AT-featured

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Xiaomi Redmi 9ATXiaomi Redmi 9AT

About Xiaomi
Xiaomi is a Chinese multinational technology company that designs, develops, and sells consumer electronics, smartphones, mobile apps, laptops, and related products. It was founded in 2010 by Lei Jun, and since then it has grown rapidly to become one of the world’s largest smartphone manufacturers.

Xiaomi is known for offering high-quality products at affordable prices, often undercutting its competitors. Its products are sold in over 100 countries worldwide, and the company has a large and loyal fan base.

Aside from its smartphones, Xiaomi has also expanded into other areas such as home appliances, smart home devices, and lifestyle products such as clothing and accessories. The company has a strong focus on innovation and has been granted over 13,000 patents to date.


Xiaomi Redmi 9AT FIG-1

Thank you for choosing Redmi 9AT

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


Redmi 9AT 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

SIM Card Tray

Xiaomi Redmi 9AT FIG-2

About Dual SIM:

  • Dual 4G SIM is offered by select telecom operators and may not be available in all regions.
  • Supports dual nano-SIM cards. When using both SIM card slots, either card can be set as the primary card.
  • VoLTE is only supported by telecom operators in certain regions.
  • The system may be automatically updated for optimal network performance. For details, please refer to the system version in use on the device.
  • 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.

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 the 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. To view our Environmental Declaration, please refer to the following link: www.mi.com/en/about/environment


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

Important Safety Information

Read all the safety information below before using your device:

  •  The use of unauthorized cables, power adapters, or batteries can cause fire, explosion, or pose other risks.
  • Use only authorized accessories that are compatible with your device.
  • This device’s operating temperature range is 0°C to 40°C. Using this device in an environment outside of this temperature range may damage the device.
  • If your device is provided with a built-in battery, to avoid damaging the battery or the device, do not attempt to replace the battery yourself.
  • Charge this device only with the included or authorized cable and power adapter. Using other adapters may cause fire, electric shock, and damage to the device and the adapter.
  • After charging is complete, disconnect the adapter from both the device and the power outlet. Do not charge the device for more than 12 hours.
  • The battery must be recycled or disposed of separately from household waste. Mishandling the battery may cause fire or explosion. Dispose of or recycle the device, its battery, and accessories according to your local regulations.
  • Do not disassemble, hit, crush, or burn the battery. If the battery appears deformed or damaged, stop using it immediately.
    • Do not short-circuit the battery, as this may cause overheating, burns, or another injury.
    • Do not place the battery in a high-temperature environment.
    • Overheating may cause an explosion.
    • Do not disassemble, hit, or crush the battery, as this may cause the battery to leak, overheat, or explode.
    • Do not burn the battery, as this may cause fire or explosion.
    • If the battery appears deformed or damaged, stop using it immediately.
  • Users shall not remove or alter the battery. Removal or repair of the battery shall only be done by an authorized repair center of the manufacturer.
  • Keep your device dry.
  • Do not try to repair the device yourself. If any part of the device does not work properly, contact Mi customer support or bring your device to an authorized repair center.
  • Connect other devices according to their instruction manuals. Do not connect incompatible devices to this device.
  • For AC/DC adapters, the socket outlet shall be installed near the equipment and shall be easily accessible.

Safety Precautions

  • Observe all applicable laws and rules restricting the use of mobile phones in specific situations and environments.
  • Do not use your phone at petrol stations or in any explosive atmosphere or potentially explosive environment, including fueling areas, below decks on boats, fuel or chemical transfer or storage facilities, or areas where the air may contain chemicals or particles such as grain, dust, or metal powders. Obey all posted signs to turn off wireless devices such as your phone or other radio equipment. Turn off your mobile phone or wireless device when in a blasting area or in areas requiring “two-way radios” or “electronic devices” to be turned off to prevent potential hazards.
  • Do not use your phone in hospital operating rooms, emergency rooms, or intensive care units. Always comply with all rules and regulations
    of hospitals and health centers. If you have a medical device, please consult your doctor and the device manufacturer to determine whether your phone may interfere with the device’s operation. To avoid potential interference with a pacemaker, always maintain a minimum distance of 15 cm between your mobile phone and the pacemaker. This can be done by using your phone on the ear opposite to your pacemaker and not carrying your phone in a breast pocket. To avoid interference with medical equipment, do not use your phone near hearing aids, cochlear implants, or other similar devices.
  • Observe all aircraft safety regulations and turn off your phone on board the aircraft when required.
  • When driving a vehicle, use your phone in accordance with relevant traffic laws and regulations.
  • To avoid being struck by lightning, do not use your phone outdoors during thunderstorms.
  • Do not use your phone to make calls while it is charging.
  • Do not use your phone in places with high humidity, such as bathrooms. Doing so may result in electric shock, injury, fire, and charger damage.

Security Statement

Please update your phone’s operating system using the built-in software update feature, or visit any of our authorized service outlets. Updating software through other means may damage the device or result in data loss, security issues, and other risks.

EU Regulations

RED Declaration of Conformity
Xiaomi Communications Co., Ltd. hereby declares that this GSM / GPRS / EDGE / UMTS / LTE Digital Mobile Phone with Bluetooth and Wi-Fi M2006C3LVG is in compliance with the essential requirements and other relevant provisions of the RE Directive 2014/53/EU. The full text of the EU Declaration of Conformity is available at the following internet address: www.mi.com/en/certification

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

During SAR testing, this device was set to transmit at its highest certified power level in all tested frequency bands and placed in positions that simulate RF exposure during use against the head with no separation and near the body with a separation of 5 mm.

SAR compliance for body operation is based on a separation distance of 5 mm between the unit and the human body. This device should be carried at least 5 mm away from the body to ensure the RF exposure level is compliant or lower than the reported level. When attaching the device near the body, a belt clip or holster should be used which does not contain metallic components and allows separation of at least 5 mm to be maintained between the device and the body.

RF exposure compliance was not tested or certified with any accessory containing metal worn on the body, and the use of such an accessory should be avoided.

Certification Information (Highest SAR)

  • SAR 10 g limit: 2.0 W/Kg,
  • SAR Value: Head: 0.78 W/Kg, Body: 1.03 W/Kg (5 mm distance).

Legal Information
This device may be operated in all member states of the EU. Observe national and local regulations where the device is used. The usability of this device may be restricted depending on the network provider. Restrictions in the 2.4 GHz band:

Norway: This subsection does not apply to the geographical area within a radius of 20 km from the center of Ny-Ålesund.

Receiver Category 2
Ensure the power adapter used meets the requirements of Clause 6.4.5 in IEC/EN 62368-1 and has been tested and approved according to national or local standards.

Frequency Bands and Power

This mobile phone offers the following frequency bands in EU areas only and maximum radio-frequency power:

  • GSM 900: 35 dBm
  • GSM 1800: 32 dBm
  • UMTS band 1/8: 25 dBm
  • LTE band 1/3/7/8/20/28/38/40: 25.7 dBm
  • Bluetooth: 20 dBm
  • Wi-Fi 2.4 GHz band: 20 dBm


  • Manufacturer (1): Jiangsu Chenyang Electron Co., Ltd.
  • address (1): No.58 Chenyang Road,Hexi Industrial Park,Huangtang
  • Town,212364 Danyang City, Jiangsu Province, PEOPLE’S REPUBLIC OF CHINA Manufacturer (2): Jiangxi Jian Aohai Technology Co.,Ltd.
  • address (2): Xietian, Quanjiang Town, Sichuan, Jian City, Jiangxi, P. R.China, 343900
  • Model: MDY-09-EY
  • Input Voltage: 100-240V~
  • Input Frequency: 50/60Hz
  • Output Voltage: 5.0V
  • Output Current: 2.0A
  • Output power: 10.0W
  • Average active efficiency: ≥79.04%

FAQs About Xiaomi Redmi 9AT


What is the display size of the Xiaomi Redmi 9AT?

The Redmi 9AT features a 6.53-inch IPS LCD display with a resolution of 720 x 1600 pixels.

What processor is used in the Xiaomi Redmi 9AT?

The Redmi 9AT is powered by a MediaTek Helio G25 processor, which is an octa-core processor clocked at 2.0 GHz.

What is the RAM and storage capacity of the Xiaomi Redmi 9AT?

The Redmi 9AT comes with 2GB of RAM and 32GB of internal storage. It also has a dedicated microSD card slot that supports up to 512GB of additional storage.

What is the battery capacity of the Xiaomi Redmi 9AT

The Redmi 9AT is equipped with a large 5000mAh battery that supports 10W fast charging.

Does the Xiaomi Redmi 9AT have a fingerprint sensor?

No, the Redmi 9AT does not have a fingerprint sensor. However, it does have a face unlock feature for biometric authentication.

What is the price of the Xiaomi Redmi 9AT?

The price of the Redmi 9AT varies depending on the region and retailer, but it is generally considered to be an affordable smartphone option.

What operating system does the Xiaomi Redmi 9AT run on?

The Redmi 9AT runs on Android 10 with Xiaomi’s MIUI 12 skin on top.

What are the camera specifications of the Xiaomi Redmi 9AT?

The Redmi 9AT features a single 13MP rear camera with f/2.2 aperture and a 5MP front-facing camera with f/2.2 aperture.

Does the Xiaomi Redmi 9AT have a headphone jack?

Yes, the Redmi 9AT has a 3.5mm headphone jack, which is located at the bottom of the device.

Is the Xiaomi Redmi 9AT water-resistant?

No, the Redmi 9AT is not water-resistant, and it does not have an official IP rating for water resistance.

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