Xiaomi announced the launch of the Redmi K40s smartphone in 2022. The manufacturer is offering the Xiaomi Redmi K40s phone with 6.67 inches display, Qualcomm Snapdragon 870 chipset, 6 GB of RAM and 128 GB of internal storage.
The Xiaomi Redmi K40s comes with Android OS v12.0 out of the box, and a Li-Po 4500 mAh, non-removable battery. The 6.67 inches phone comes with AMOLED display (1080 x 2400 px). The AMOLED is a display technology and stands for Active Matrix Organic Light Emitting Diodes, it is a type of OLED display and is used in smartphones.
Xiaomi Redmi K40s specifications
Brand | Xiaomi |
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Name | Redmi K40s |
Model | REDMIK40S |
Release date | 2022 |
Body
The weight of Xiaomi Redmi K40s is about 6.88 oz with battery, which is average compared to most of the smartphones with same size. The dimensions of this Xiaomi phone are average (6.43 x 2.99 x 0.3 inches).
Weight | 6.88 oz |
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Dimensions | 6.43 x 2.99 x 0.3 inches |
Colors | black, blue, gray, green |
SIM type | Nano SIM |
System
The Xiaomi Redmi K40s comes with Android OS v12.0 out of the box, but it is upgradable to the next OS.
OS version | Android OS v12.0 |
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SoC | Qualcomm Snapdragon 870 |
CPU | Octa-core, Single-core 3.2 GHz Kryo 585, Triple-core 2.4 GHz Kryo 585, Quad-core 1.8 GHz Kryo 385 |
GPU | Adreno 650 |
Display
The size of Redmi K40s screen is measured diagonally, from corner to corner. The 6.67 inches AMOLED display of Xiaomi Redmi K40s with 1080 x 2400 px resolution is multitouch capable.
Display type | AMOLED |
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Screen size | 6.67 inches |
Resolution | 1080 x 2400 px |
Multitouch support | yes |
Memory
The internal memory of Xiaomi Redmi K40s (6 GB) cannot be expanded, but the internal storage (128 GB) can be expanded with a compatible microSD card.
RAM | 6 GB |
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Internal storage | 128 GB |
Memory card slot | microSD |
Camera
The camera of the Redmi K40s is equipped with autofocus. An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area. Very few Android cameras come without autofocus. The main camera of Redmi K40s has optical image stabilization (OIS) to counteract camera shake. Optical image stabilization is a must for anyone shooting without a tripod with a long lens or in low light conditions.
Selfie camera | 20 MP |
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Main camera | 48 + 8 + 2 MP, 8000 x 6000 px, autofocus, optical image stabilization |
Flash | Dual LED |
Connectivity
The Xiaomi Redmi K40s supports 2G, 3G and 4G/LTE networks. This phone has a built-in GPS. GPS is a highly accurate navigation system using signals from satellites to determine a location on the Earth's surface, irrespective of weather conditions. Most phones have a GPS unit on board. The Redmi K40s comes with NFC (Near Field Communication) functionality. Near Field Communication (NFC) is a short-range wireless connectivity technology that makes life easier and more convenient for consumers around the world by making it simpler to make transactions, exchange digital content, and connect electronic devices with a touch. The Redmi K40s phone doesn't have built-in FM radio.
GSM 2G bands | 850 / 900 / 1800 / 1900 |
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Network coverage | 2G / 3G / 4G / 5G |
Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac |
Bluetooth | v5.2, A2DP |
GPS | A-GPS, GLONASS, Beidou, GALILEO |
NFC | yes |
FM radio | no |
USB | USB Type-C |
Headphone | no |
Battery
The Li-Po 4500 mAh, non-removable battery gives the smartphone a good battery backup. The lithium polymer (Li-Po) battery is a thin, light-weight, rechargeable battery. No periodic discharge is needed and charging can be done at random. The battery of Redmi K40s isn't removable without voiding the warranty.
Type | Li-Po 4500 mAh, non-removable |
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Features
Smartphones today come with a wealth of sensors to facilitate a better user experience. The accelerometer is a sensor that measures the tilting motion and orientation of the phone. The Redmi K40s phone has a fingerprint scanner. This sensor identifies and authenticates the fingerprints of an individual in order to grant or deny access to a smartphone. This Xiaomi phones comes with proximity sensor. This proximity sensor detects how close the phone is to an outside object, such as your ear. The Dual SIM capability of Xiaomi Redmi K40s phone is ideal for businesses wishing to provide staff with a mobile device that can offer separate numbers and bills for both personal and business use. This smartphone supports fast charging technology, which comes in handy when you need quick juice on your device.
Sensors | accelerometer, color spectrum, compass, fingerprint, gyroscope, light, proximity |
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Specials | Dual SIM, Fast charging, Hi-Res Audio, MIUI, Corning Gorilla Glass 5 |
The specifications above are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Xiaomi Redmi K40s, then don’t hesitate and signal the problem to us.
Xiaomi Redmi K40s pictures

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