Chinese smartphone manufacturer Xiaomi has announced the Redmi brand high-end smartphone “Redmi K40S” equipped with Snapdragon 870 in China. Learn more about the full features, specifications and price of this Android smartphone.
Xiaomi Redmi K40S Features
Redmi K40S is a high-end Android smartphone equipped with a 6.67-inch FHD+ (2400 x 1080) display, Snapdragon 870 5G SM8250-AC 3.2GHz octa-core CPU, 6GB/8GB/12GB RAM, 128GB/256GB storage capacity, a triple main camera comprising 48 megapixels + 8 megapixels + 2 megapixels and a 20 megapixels front selfie camera.
This smartphone features a 120Hz Refresh Rate AMOLED display with a punch hole and a 4500mAh battery that supports 67W quick charging.
It is waterproof with an IP53 rating, comes with a USB Type-C connection port, has no earphone jack, biometric authentication supports fingerprint authentication (side-mounted) and face authentication.

Xiaomi Redmi K40S Key Specs
Here are the Xiaomi Redmi K40S key specifications…
| KEY SPECS | |
| Display | 6.67-inch FHD+ (2400 × 1080) 20: 9, E4 AMOLED, 120Hz |
| OS | Android 12 (MIUI 13) |
| Processor | Snapdragon 870 5G SM8250-AC 3.2GHz Octa-core |
| Storage | 6GB / 8GB / 12GB + 128GB / 256GB |
| Camera | Triple 48MP + 8MP + 2MP Rear/20MP Front |
| Battery | 4500mAh (67W quick charge) |
| Price | Starts 1799 yuan (about ₦118,000 in Nigeria) for the 6GB/128GB model |
Xiaomi Redmi K40S Price and Availability
It is available in four colours: Black, Green, Aurora, and Silver. It was announced in China in March 2022, the price of the Redmi K40S is 1799 yuan (about ₦118,000 in Nigeria) for the 6GB/128GB model, 1999 yuan (about ₦130,000) for the 8GB/128GB model, 2199 yuan (about ₦144,000) for the 8GB/256GB model and 2399 yuan (about ₦157,000) for the 12GB/256GB model.
Xiaomi also announced the Redmi K50 Pro and Redmi K50 at the same time.

Xiaomi Redmi K40S Full Specifications
General Features |
|
| Product Type: | Smartphone |
| Platform: | Android 12 (MIUI 13) |
| Processor: | Snapdragon 870 5G SM8250-AC 3.2GHz Octa-core |
| GPU: | Adreno 650 |
| Colours: | Black, Green, Aurora, Silver |
| Dimension: | 163.2 x 75.95 x 7.7 mm |
| Weight: | 195g |
| SIM Type: | Nano SIM |
| SIM Count: | Dual SIM |
| Announced: | March 2022 |
| Models: | – |
Display |
|
| Display: | 6.67-inch FHD+ (2400 × 1080) 20: 9, E4 AMOLED, 120Hz, 107.4 cm² (~86.6% screen-to-body ratio) |
| Protection: | Corning Gorilla Glass 5 |
Camera |
|
| Rear Camera: | Triple, 48 MP (f/1.8, wide, 1/2″, 0.8µm, PDAF, OIS) + 8 MP (119˚ ultrawide) + 2 MP (f/2.4, macro) |
| Rear Camera Features: | Dual-LED dual-tone flash, HDR, panorama, Video – 4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS |
| Front Camera: | Single, 20 MP (wide) |
| Front Camera Features: | Video 1080p@30/120fps |
Storage |
|
| Memory: | 6GB/8GB/12GB LPDDR5 |
| Built-in Storage: | 128GB/256GB UFS 3.1 |
| Memory Card Support: | No |
Battery |
|
| Battery: | 4500mAh |
| Fast Charging: | Yes, (67W) |
| Others: | Power Delivery 3.0, Quick Charge 4 |
Internet & Connectivity |
|
| Technology: | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2 CDMA 800 |
| 3G Network: | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1x |
| 4G Network: | 1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42 |
| 5G Network: | 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA |
| Network Speed: | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| WLAN: | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot |
| Wi-Fi Hotspot: | Yes |
| Bluetooth: | Yes, v5.2, A2DP, LE |
| NFC: | Yes |
| Infrared Blaster: | Yes |
| USB Port: | USB Type-C 2.0, USB On-The-Go |
Audio & Video |
|
| Music Player: | MP3/WAV/eAAC+/Flac player |
| Video Player: | XviD/MP4/H.265 player |
| FM Radio: | No |
| Loudspeaker: | Yes, with stereo speakers |
| 3.5mm Jack: | No |
| Others: | 24-bit/192kHz audio |
Navigation |
|
| GPS: | Yes, with A-GPS. Up to tri-band: GLONASS (1), BDS (3), GALILEO (2), QZSS (2), NavIC |
| Maps: | Yes |
Sensors & Control |
|
| Digital Compass: | Yes |
| Accelerometer: | Yes |
| Proximity Sensor: | Yes |
| Light Sensor: | – |
| Barometer: | – |
| SpO2: | – |
| Pedometer: | – |
| Heart Rate Monitor: | – |
| Gyroscope: | Yes |
| Fingerprint Scanner: | Yes (side-mounted) |
| Face Unlock: | Yes |
| Intelligent Digital Assistant: | Yes |
| Motion Sensing/Gesture Control: | Yes |
| Voice Control: | Yes |
| Others: | Colour Spectrum |
Other Features |
|
| Video Streaming: | Yes |
| Active Noise Cancellation: | Yes |
| Wireless Charging: | No |
| Built-in Mobile Payment: | – |
| Water Resistant: | Yes (IP53) |
| Dust Resistant: | Yes (IP53) |
| Image Editor: | Yes |
| Video Editor: | Yes |
| Document Viewer: | Yes |
| Document Editor: | Yes |
| Others: | Dual SIM (NanoSIM), 4G VoLTE, Dolby Atmos, high resolution, NFC, Glass front (Gorilla Glass 5), plastic back |
Where to Buy Redmi K40S Online
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More on Xiaomi Phones
- Xiaomi 12X Equipped With Snapdragon 870 and 6.28-inch AMOLED Display Announced Globally
- Xiaomi 12 Global Variant Announced With Snapdragon 8 Gen 1, 6.28-inch 120Hz Display and 50MP Triple Camera (OIS)
- Xiaomi 12 Pro Announced Globally, Smartphone With 6.73-inch Display, Snapdragon 8 Gen1, New IMX707 Sensor and 120W Fast Charging
- Xiaomi Redmi Note 11E Pro Announced in China, Equipped With SD695 and 6.67-inch AMOLED Display

