Redmi K40S

100% of 100
As low as $399.00
In stock
  • 6.67-inch E4 AMOLED True Tone display with 120Hz refresh rate.
  • Qualcomm Snapdragon 870 processor with Adreno 650 GPU.
  • 6GB/8GB/12GB LPDDR5 RAM, 128GB/256GB UFS 3.1 storage.
  • 48MP+8MP+2MP rear Triple cameras with OIS, a 20MP front camera.
  • 4500mAh battery, 67W Fast Flash Charge.
  • MIUI 13 base on Android 12 OS, updating supported.
  • Language: English/Chinese.

 Things to know: 

  1. This phone is Chinese edition, comes with Global version software installed, includes Google Play Service, and OTA updating supported.
  2. This phone supports multi-language: English, Chinese, Spanish, Portuguese, German, Italian, Arabic, Russian and more.
  3. This phone supports these network bands:
    4G: FDD-LTE B1/B2/B3/B4/B5/B8/B18/B19/B26.
    5G: n1/n3/n28A/n38/n41/n78/n79.


Redmi K40S Main Features

MIUI 13 Based on Android 12 OS

Redmi K40S is pre-installed with MIUI 13 Based on Android 12 OS that offers a fresh, fast platform to help you stay connected and productive while you're on the go.

Multi-language Supported

Offers English, Chinese, Spanish, Portuguese, German, Italian, Arabic, Russian and more.

Compatible with Asia / Europe / Australia Bands

Redmi K40S 5G offers 5G: n1/n3/n28A/n38/n41/n78/n79; 4G LTE-FDD bands: B1/B2/B3/B4/B5/B8/B18/B19/B26, TDD-LTE: B34/B38/ B39/B40/B41/B42.

5G LTE Speed

Provides fast Web connection for downloading apps, streaming content, and staying connected with social media.

Snapdragon 870 Octa-core Processor Up to 12GB of RAM

Redmi K40S 5G is powered with a 7nm Qualcomm Snapdragon 870 processor that includes one Kryo 585 Prime CPU working at 3.2GHz. It is paired with Adreno 650 GPU, the 8GB of RAM delivers outstanding overall performance for opening and running applications, flipping through menus, running home screens, and more.

6.67" Samsung E4 Super AMOLED Display

Redmi K40S 5G features a 6.67-inch E4 AMOLED True Tone display with an FHD+ resolution of 1080 x 2400 pixels. The display has a DCI-P3 color gamut, HDR10+, and a maximum brightness of 1300 nits. The screen supports a 120Hz refresh rate and a 360Hz touch sampling rate.

48MP+8MP+2MP Triple Rear Cameras

Redmi K40S 5G has a 48MP+8MP+2MP triple-camera setup, including a 48MP f/1.79 Sony IMX582 primary camera with optical image stabilization (OIS), an 8-megapixel ultra-wide-angle and a 2-megapixel macro lens. There is a 20MP shooter with support for 120 fps slo-mo videos.

128GB/256GB Internal Memory

Redmi K40S 5G features up to 12GB of LPDDR5 RAM and 256GB of UFS 3.1 storage. Provides plenty of storage space for your contacts, music, photos, apps, and more.

4500mAh Battery 67W Fast Charge

Redmi K40S 5G is equipped with a 4500mAh battery supporting 67W fast charging. It takes around 38 minutes to charge fully. 

Access to Google Play

Browse and download apps, magazines, books, movies, and television programs directly to your phone.


To keep the temperature in check, Redmi K40S 5G features VC cooling technology that with a total area of 3112mm².

Use Your Smartphone As a Mobile Hotspot

Share your 5G/4G data connection with other compatible wireless devices.

Listen to Your Favorite Tunes

Store and play your MP3 files on your phone.

Dual Nano SIM Card Dual Standby

Dual 4G Dual VoLTE. When using both SIM card slots, either card can be set as the primary card, which supports 5G/4G+/4G/3G/2G calling and data.

Other Features

The other features of Xiaomi Redmi K40 5G are with a side-mounted fingerprint scanner, Dolby Atmos support, X-axis linear motor, NFC, infrared remote control, Bluetooth 5.2, WiFi 6, Hi-Res Audio, and Hi-Res Audio Wireless, and more.

More Information
Manufacturer Xiaomi
Model Redmi K40S 5G
Color Blue, Gray, Purple, White
Operating System MIUI 13 base on Android 12 OS
Network GSM, WCDMA, TDD-LTE, LTE-FDD, SA & NSA 5G networks
Band 5G: n1/n3/n5/n8/n28A /n38/n40/n41/n77/n78; 4G LTE-FDD: B1 / B2 / B3 / B4 / B5 / B8 / B18 / B19 / B26; TDD-LTE: B34/B38/B39/B40/B41/B42;2G GSM: B2/3/5/8, CDMA 1X: BC0; 3G WCDMA: B1/2/4/5/6/8/19, CDMA EVDO: BC0,
Carrier Unlocked
Language English, Chinese, support Google Play Store
Screen 6.67-inch E4 AMOLED True Tone display, 120Hz refresh rate and a 360Hz touch sampling rate
Processor CPU: Qualcomm Snapdragon 870 Octa-core processor; Adreno 650 GPU
ROM 128GB/256GB UFS 3.1 storage
Rear Camera 48MP+8MP+2MP
Front Camera 20MP
Battery 4500mAh non- removable battery, 67W fast charging
SIM Card Dual Nano SIM card slots
Dimension 163.2 x 76 x 7.7 mm
Weight 195g
In the box Phone, USB Type-c Cable, Charger, English Manual, SIM needle
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