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Xiaomi Redmi Note 9 4G
The Redmi Note 9 4G is the seventh model in the Redmi Note 9 series. It was released alongside the Redmi note 9 5G and Redmi Note 9 Pro 5G,primarily targeting the Chinese market.The device features a 6.53-inch IPS LCD display with a resolution of 1080 x 2340 pixels and a dewdrop notch housing the front camera.
The phone is powered by the Qualcomm Snapdragon 662 processor, which runs at a maximum clock speed of 2.0 GHz. Graphics are handled by the Adreno 610 GPU. Memory options include 4GB, 6GB, or 8GB of RAM, paired with either 128GB or 256GB of UFS 2.2 internal storage. Storage can be expanded via a microSD card.
On the rear, the Redmi Note 9 4G has a triple-camera setup. The primary sensor is a 48-megapixel unit with phase detection autofocus (PDAF) and an f/1.8 aperture. It is accompanied by an 8-megapixel ultrawide lens and a 2-megapixel depth sensor. An LED flash is positioned alongside the cameras. The front-facing camera is an 8-megapixel sensor located within the notch.
The device includes a side-mounted fingerprint sensor for biometric security. It is indeed equipped with a 6000mAh battery that supports 18W fast charging. Audio output is provided by dual stereo speakers. Connectivity options include dual Nano SIM slots with 4G VoLTE support. The phone runs on Android 10 with MIUI 12 as the user interface. Available colors are Gray, Green, Blue, and Orange.
Full Specifications
NETWORK
| Technology | GSM / HSPA / LTE |
| 2G Network Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network Bands | LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500) |
| 5G Network Bands | Does not have support for 5G Network |
| Speed | HSPA 42.2/11.5 Mbps, LTE-A (2CA) Cat6 300/75 Mbps |
LAUNCH
| Also Known As |
- - |
BODY
| Dimensions | 162.3 x 77.3 x 9.6 mm |
| Weight | 162.3 grams |
| Build |
Glass front (Gorilla Glass 3), - Plastic back - Plastic frame |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) |
DISPLAY
| Display Type | IPS LCD capacitive touchscreen, 16M colors |
| Size | 6.53 inches, 104.7 cm2 (~83.4% screen-to-body ratio) |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) |
PLATFORM
| Operating System | Android 10. MIUI v12 |
| Chipset | Qualcomm SM6115 Snapdragon 662 (11 nm) |
| CPU | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
| GPU | Qualcomm Adreno 610 |
MEMORY
| RAM + ROM | 4/6/8 GB |
| Card Slot | Yes, up to 512 GB via microSD card (uses dedicated slot) |
MAIN CAMERA
| Camera Type | Triple Lenses |
| Camera Sensor(s) | 48 MP + 8 MP + 2 MP main camera |
| Camera Features |
Autofocus Continuous shooting Digital zoom Optical zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode RAW Sensor size - 1/2" Pixel size - 1.6 μm (4-in-1 pixel binning) Phase detection Laser autofocus Contrast autofocus Sapphire crystal glass lens cover 6-element lens 8 MP ultra-wide camera 2 MP, f/2.4, (depth) |
| Video Resolution | 1080p@30fps |
SELFIE CAMERA
| Camera Type | Single Lens |
| Camera Sensor(s) | 8-megapixel |
| Camera Features |
f/2.1 aperture Autofocus |
| Video Resolution | 1080p@30fps |
SOUND
| Loudspeaker | Yes |
| Speaker Location | Chin, below display |
| Audio Jack Type | Yes, 3.5mm audio jack, |
CONNECTIVITY
| Bluetooth | Bluetooth 5.0, A2DP, LE, aptX HD |
| NFC | |
| GPS | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS |
| FM Radio | Yes |
BATTERY
| Battery Capacity | Non-removable Li-Po 6000 mAh battery |
| Wireless Charging | No |
| Talk Time Talk Time is the longest time that a single battery charge will last when you are constantly talking on the phone under perfect conditions, Ambient temperature and highly dependent on the cellular network environment such as the distance to the closest cell network tower. | Up to 32 hours |
| Stand-by | Up to 560 hours |
OTHER FEATURES
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Box Contents | Charging Brick / USB cable |
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Note: Specifications may not be 100% accurate.
