Redmi K40 (8GB/128GB/Full Netcom/5G Edition) Parameters and Phone Configuration Introduction

Basic parameters
Domestic release date	February 25, 2021
E-commerce offer	¥2199
Launch date	March 07, 2021
Usage Scenarios	5G mobile phone>, 4G mobile phone>, 3G mobile phone>, smart phone>, tablet mobile phone>, camera mobile phone>, music mobile phone>
Fuselage Material	Glass Back Shell> View Exterior View>
body color	Glossy Black, Clear Snow, Mirage, Ink Feather View Appearance>
fingerprint recognition	Side fingerprint recognition>
facial recognition	be in favor of

contour
lengths	163.7mm
height	76.4mm
thicknesses	7.8mm
weights	196g

software
CPU Model	Qualcomm Snapdragon 870More Qualcomm Snapdragon 870 phones >, phone performance ranking >
CPU frequency	3.2Ghz A771+2.4GHz A773+1.8GHz A55*4
CPU core count	Octa-Core>
GPU Model	Qualcomm Adreno 650
RAM capacity	8GB>The game runs smoothly
RAM storage type	LPDDR5>
ROM capacity	128GB>26,000 photos11,000 songs
ROM storage type	UFS 3.1>
memory card	Capacity expansion is not supported>
factory kernel	Android 11>
operating system	MIUI 12
vibration motor	X-axis linear motor
speakers	Stereo dual speakers

screen (TV, computer or movie)
screen size	6.67 in.
Screen Type	Full screen (center cut-out screen), straight screen>
aspect ratio	20:9
resolution (of a photo)	2400x1080px
Screen Material	AMOLED (E4)>
screen refresh rate	120Hz>
Touch Screen Type	Capacitive screen, multi-touch
Touch Sample Rate	360Hz
screen color	True Tone ambient color temperature, 8bit primary color screen
Other screen parameters	Sunny Screen 3.0 with 2.76mm screen opening
HDR technology	HDR 10+>
contrast (balance of black and white in TV screen setup)	5000000:1
screen brightness	1300nits peak brightness, 900nits global brightness
screen technology	Corning 5th Generation Gorilla Glass, MEMC Motion Compensation Technology, SGS Eye Protection Certification>

surveillance camera
Total number of cameras	4
Camera Name	Rear Main Camera: Main Camera Rear Ultra Wide Angle Lens: Ultra Wide Angle Lens Rear telephoto macro lens: telephoto macro lens Front main camera: main camera
pixels	Rear main camera: 48 megapixels Rear ultra wide-angle lens: 8 megapixels Rear telephoto macro lens: 5 megapixels Front main camera: 20 megapixels
aperture	f/1.79
panoramic	119°
Rear photo function	48M Ultra HD, AI Magic Split, Front and Back Dual View, AI Magic Kaleidoscope, AI Camera, Super Night View, Document Mode, Cinema Lens, ID Shadow Print Mode, Moe Shot, Rear Beauty-Sculpting, Cinema Filter, Voice Subtitle, Portrait Mode Background Bokeh, Professional Mode, Dynamic Photo, Timed Continuous Shot, Sonic Photography, Countdown Photography, Leveling Gauge, Reference Line Front AI Camera, Front and Back Dual View Front AI Camera, Front and Back View, Voice Subtitle, Voice-activated Photo, Moe Shot, Movie Filter, Portrait Mode, 3D Makeup & Beauty, Front Panorama, Front Night View, Dynamic Photo, Timed Burst Photo, Full-screen Frame for Photo, Gesture Photo
Rear video capture	4K (3840×2160, 30 fps) video recording 1080p (1920×1080, 60 fps, 30 fps) video recording 720p (1280×720, 30 fps) video recording slow motion 1080p (1920×1080, 960 fps, 240 fps, 120 fps) video recording slow motion 720p (1280×720, 960 fps, 240 fps, 120 fps) Video Recording
Front camera function	Screen fill light, countdown photo, AI intelligent beauty, movie light effect, AI human scene separation
Front video capture	1080p (1920×1080, 30 fps) video recording 720p (1280×720, 30 fps) video recording Slow motion 720p (1280×720, 120 fps) video recording
flash bulb (photography)	LED fill light>

Networking and Connectivity
Network type	5G>, 4G>, 3G>
network band	2G: GSM 850/900/1800/1900MHz 2G: CDMA 1X BC0 3G: WCDMA B1/B2/B4/B5/B6/B8/B19 3G: CDMA EVDO BC0 4G: FDD-LTE B1/B2/B3/B4/B5/B7/B8/B18/B19/B26/B28A 4G: TDD-LTE B34/B38/B39/B40/B41/B42 5G: n1/n3/n28A/n41/n77/n78
SIM card type	Dual SIM (Nano SIM)>
WLAN functionality	Dual-band WiFi, WiFi6 (IEEE 802.11 a/b/g/n/ac/ax), 2×2 MIMO, HE160, 1024 QAM, 8×8 Sounding for MU-MIMO
navigation and positioning	BeiDou Navigation (B1+B2a), GPS Navigation (L1+L5), Galileo Navigation (E1+E5a), GLONASS Navigation (G1), QZSS Navigation (L1+L5), NavIC, A-GPS Technology>, A-GLONASS, A-BDS, Data Network Positioning, Wi-Fi Network Positioning, Sensor-Assisted Positioning
bluetooth	Bluetooth 5.1, support AAC/LDAC/LHDC
NFC	Support NFC (after opening in Tianxing Financial Wallet App, use Xiaomi Bus, Mi Pay, door card, eID, electronic car key by double-tapping the power button for public transportation, mobile payment, cell phone door opening and other scenarios)
infrared function	be in favor of
Connect and Share	WLAN Hotspot, VoLTE
Fuselage Interface	USB Type-C connector
Other network parameters	Dual-mode 5G

Battery & Range
Battery Type	Non-removable battery
battery capacity	4520mAhlarge battery
wired charge	33w(Support QC3+/PD3.0 fast charging protocol)

Functions and Services
inductor (elec.)	Distance Sensor, Ambient Light Sensor, Acceleration Sensor, Gyroscope, Electronic Compass, Color Temperature Sensor, Infrared Remote Controller
Audio Support	Support MP3/FLAC/APE/AAC/OGG/WAV/WMA/AMR-NB/AMR-WB formats
Video Support	MP4/MKV/AVI/WMV/WEBM/3GP/ASF and other formats
Image Support	Supports JPEG/PNG/GIF/BMP formats

Cell Phone Accessories
Packing List	Cell phone x1 Power Adapter x1 Protective case for cell phone x1 Protective film for cell phone (attached) x1 USB Type-C cable x1 SIM card pin x1 Three packs voucher x1 Instruction manual x1

Warranty Information
Warranty Policy	National warranty, enjoy three packages
Warranty Time	1 year
Warranty Remarks	1 year for main unit, 1 year for battery, 1 year for charger
customer service hotline	400-100-5678
Telephone Remarks	Monday to Sunday: 8:00 - 18:00 (local call charges only)
Details	Since the date of purchase (subject to the purchase invoice), if there is any quality problem or malfunction, with the quality inspection certificate from the manufacturer's repair center or authorized repair point, you can enjoy the three-package service, such as returning the product within 7 days, exchanging the product within 15 days, and enjoying the free warranty within the warranty period for more than 15 days! Note: Users who buy cell phone accessories separately, please keep the accessories packaging and the original invoice intact, if you can't provide the above proof, you will not be able to carry out the normal accessories warranty or replacement. Enter the official website>>>

*For reference only, please refer to the actual local sales product information; if you find the information is wrong, please feedback.

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