Xiaomi Redmi K40S 5G 8GB+256GB Silver
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| Location: | Asia |
|---|---|
| Possibility to return: | Yes, within 14 days to warehouse in USA / UK or EU |
| Length of warranty | 12 months |
| Warranty Extension: | At promotional terms, up to 24 months (during checkout) |
| Dual Sim | Yes |
| 5G | Yes |
| Rom: | Global or Original (Chinese+English) - select above |
| Processing time for warranty service from | 6 weeks |
| Processing time for warranty repair to | 12 weeks |
Other variants / accessories
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Unavailable - order on demand
$ 375.99
No tax included
Device rom
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Dear, this product is factory unlocked, should work in your country. If it's smartphone or have GSM model it might be wise to compare it's LTE/5G frequencies with the LTE/5G frequencies of your network to confirm coverage compatibility (they are listed in the product description). If frequencies aren't listed there, please contact us.
List of the package contents is usually listed at the end of the product description.
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OTA updates are most likely going to work in most of the devices bought at our website and they should not change system sate ex. removing multi-language and google apps.
However, there are devices where OTA will not work, we usually inform about it on the product page, in the "ROM" section. If you'll not be able to make automatic updates, you may always try to make manual system update, which may require some skills or tools (ex. ADB) installed on your computer. It may also remove system customisations installed before ex. multi-language support. For more info you may ask us a question from product page.
NFC will most likely work on the most of the devices bought on our website.
Exception are some, but not all, devices sold with unlocked bootloader, due to Global rom installation ex. Xiaomi. Some other devices with Global rom installed on original rom, and unlocked bootloader shouldn't have problems with NFC payments - ex. Realme devices. Root can also cause NFC banking applications not work, but our store in current time don't sell rooted devices at all (state for January 2024).
If you have doubts if your device will have NFC payments working you should ask us every time by product questions available at product page or checks questions of the other customers at the bottom of the product page.
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Locally - to addresses in the UK, Germany or the USA (check exceptions)
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Product description
Redmi K40S
Word of mouth is the true flagship, and it will be upgraded in 2022
- Classic Snapdragon 870
- Classic Samsung E4 flagship straight screen
- Newly upgraded VC cooling
- Newly upgraded 67W flagship fast charge
- Newly upgraded OIS Optical image stabilization Reckless
- new design
- This K40S is born to be a ruthless character
*Using the 67W charger in the box and testing it with the screen off, the data comes from Xiaomi Labs.
*"Honor of Kings" 120 frames, 20 minutes in performance mode, the data comes from Xiaomi Labs.
*"Honor of Kings" 120 frames, 20 minutes in performance mode, the data comes from Xiaomi Labs.
The new "Trend Small Standing Edge"
this time, thin fly
this time, thin fly
The classic "trend small standing edge" refreshes everyone's expectations again. Compared with the K40, it is 0.1 mm thinner and 1 g lighter.
Get started, have edges and corners, no burden.
Get started, have edges and corners, no burden.
Thin about
as light as
7.7mm _
195g _
*Data from Xiaomi Lab, compared to K40 design. The specific data may be slightly biased due to different test environments.
Dreamy and beautiful
Snapdragon 870, a generation of word-of-mouth gods, U strength conquers people's hearts
Equipped with the classic Snapdragon 870, the word-of-mouth flagship chip. Has CPU Kryo 585 architecture and a maximum frequency of 3.2GHz.
Video entertainment, large-scale games, and file collaboration are all freely retractable.
Video entertainment, large-scale games, and file collaboration are all freely retractable.
15 TOPS *
15 trillion operations per second
3.2GHz
Ultra-high frequency CPU
*Data from Xiaomi Labs
Added VC liquid cooling system
to unleash gaming-grade performance
to unleash gaming-grade performance
The upgraded three-dimensional cooling system increases the total area of liquid cooling by 400%*.
With AI multi-level intelligent temperature control, 9 temperature sensors, various algorithms, multi-level control.
Escort for more scene hot experience.
With AI multi-level intelligent temperature control, 9 temperature sensors, various algorithms, multi-level control.
Escort for more scene hot experience.
3112 mm² _
Liquid cooling cooling area
7th floor
graphite covering
+400 %*
Liquid-cooled heat dissipation area is increased compared to K40
* The data comes from Xiaomi Labs, and the specific data may be slightly different due to different test environments.
The newly added "Honor of Kings" 120-frame mode
team battle is also super smooth
team battle is also super smooth
The heat dissipation has been greatly improved, and the game performance is very close to full frame performance even in team battles.
Average frame rate 120 fps* | Ambient temperature 25 ℃
* King of Glory 120 frames, 20 minutes of actual time usage in performance mode, the data is from the Xiaomi laboratory, the actual
situation will be slightly different due to different test environments, test software, etc.
situation will be slightly different due to different test environments, test software, etc.
LPDDR5
UFS3.1
super fast storage
super flash
67W fast charge
4500mAh large battery
takes only 38 minutes * to charge to 100%
4500mAh large battery
takes only 38 minutes * to charge to 100%
The new battery life lets you say goodbye to battery anxiety completely.
67W fast charge, it only takes 38 minutes to fully charge.
4500mAh large power, carry long battery life.
67W fast charge, it only takes 38 minutes to fully charge.
4500mAh large power, carry long battery life.
*Data sourced from Xiaomi Lab, using the 67W charger in the box, and the test results when the screen is off.
Smarter battery protection technology
has endured battery life and good blood recovery
has endured battery life and good blood recovery
Precisely control the charging temperature to avoid high charging temperature, and charging is fast and safe.
health
battery manager
Time domain intelligent charging
Prompt battery health to
know
know
Strictly control battery aging scenarios according to usage scenarios
High temperature start battery protection
Samsung E4 AMOLED flagship straight screen
is super bright, super true, super gorgeous
is super bright, super true, super gorgeous
Samsung E4 flagship good screen, with professional screen experience, ambient color temperature
sensing , front and rear dual light perception and other good screen qualities, dare to compete with professional monitors.
sensing , front and rear dual light perception and other good screen qualities, dare to compete with professional monitors.
Support Dolby Vision
for a private cinema in the palm of your hand
for a private cinema in the palm of your hand
Professional primary color screen
true restoration, delicate presentation
true restoration, delicate presentation
Delta E≈0.34
professional color standard
professional color standard
Professional monitors are Delta E <2
JNCD≈0.26
screen color standard
screen color standard
JNCD=1 is the smallest unit for the human eye to distinguish colors
Automatic brightness adjuster,
every eye is comfortable
every eye is comfortable
Front and rear dual light sensing technology, adaptive ambient dimming makes the eyes not afraid of color temperature changes, and the
comfort is greatly liberated.
comfort is greatly liberated.
Sun screen
Front and rear dual light sense
SGS eye protection certification
See more clearly in bright light
Accurate capture of ambient light
Greatly reduced blue light
120Hz high refresh rate
360Hz high touch sampling rate
10X super-resolution touch*
360Hz high touch sampling rate
10X super-resolution touch*
Ultra-fast gaming experience, one touch to fight, one hit to hit.
*Super-resolution touch data are all from Xiaomi Labs, and the actual situation may vary slightly depending on the test environment, test software, etc.
2.76mm pinhole screen
with ultra-small medium hole, less occlusion
with ultra-small medium hole, less occlusion
OIS optical image stabilization
48 million pixel camera
this time, the picture is stable
48 million pixel camera
this time, the picture is stable
Sony's 48 million camera, with the blessing of OIS optical image stabilization, the professional
level is upgraded. Shooting at will , the film completion rate is improved, not only that, the upgraded
computational photography can make you play better.
level is upgraded. Shooting at will , the film completion rate is improved, not only that, the upgraded
computational photography can make you play better.
48 million
Sony OIS main camera
20000000
sony selfie camera
8 million ultra-wide-angle lens
2 million macro lens
48MP OIS flagship main camera
Other lenses are also wonderful
119° ultra wide-angle lens
2MP macro lens
Super night scene mode
stabilizes the whole night
stabilizes the whole night
Thanks to the four-in-one 1.6μm fusion large pixel and super night scene algorithm, more possibilities for night shooting.
At the same time, OIS helps in secret, easily stabilizing the whole night.
At the same time, OIS helps in secret, easily stabilizing the whole night.
AI Computational Photography
Plays while Shooting, Doubles the Happiness
Plays while Shooting, Doubles the Happiness
Magic Day 4.0
Self-adaptive algorithm to identify the image environment adaptively change the sky. Like a sunny day, like a rainy day, you can switch the sky.
Magic Dispel 2.0
APU algorithm support, accurate analysis of image data, one-click elimination of cluttered pictures, allowing you to easily save waste films.
Dolby Atmos dual speakers are
thick and three-dimensional, and the sound is immersive
thick and three-dimensional, and the sound is immersive
1216 ultra-linear large-amplitude speakers + 1012 speakers, the ultimate stereo sound experience;
Dolby Atmos panoramic sound professional tuning blessing, natural and realistic.
Dolby Atmos panoramic sound professional tuning blessing, natural and realistic.
Dolby Atmos
Hi-Res Double Gold Certification
X-axis linear motor
feedback is real and strong
feedback is real and strong
Daily typing is more delicate, and game feedback is more realistic. Different scenes have different vibrations, and the game is more exciting.
Multifunctional NFC
Mobile phone is bank card, bus card
Dual frequency GPS
Precise navigation on complex roads
Infrared remote control
The phone is the remote
Type-C
Can be used in both pros and cons
Wi-Fi 6
Faster Internet Speed, Lower Latency
game mode
The atmosphere of the game is full
Video Toolbox
11 Viewing Filters
life splash proof
Mobile phone comes with "invisible raincoat"
Redmi
Redmi is a technology brand for young people under the Xiaomi Group. It aims to create high-quality mobile phones and smart hardware products with flagship experience and exceeding expectations for young people around the world. Adhere to the brand concept of "Desperate Love" and stand with young people around the world. Wang Yibo, who has the same spirit of love, is the global spokesperson of the Redmi mobile phone brand.
- Snapdragon 870 Koubei flagship core
- LPDDR 5 ｜UFS 3.1 ｜ Wi-Fi 6
- 3112mm² liquid-cooled VC heat dissipation area
- 67W fast charge
- 4500mAh high power
- Samsung E4 AMOLED flagship straight screen
- 48MP OIS anti-shake camera
- Dolby Atmos｜Stereo dual speakers
- 7.7mm thin , 195g light
physical dimension
Length: 163.2mm
Width: 75.95mm
Thickness: 7.7mm
Weight: 195g
*The above data is the test data of Xiaomi laboratory, and the actual results may be slightly different depending on the different measurement methods in the industry.
mobile platform
Qualcomm Snapdragon 870
CPU architecture technology: Kryo 585 architecture, 7nm process
CPU frequency: octa-core processor, large-core A77, maximum frequency 3.2GHz
GPU: Adreno 650 graphics processor
Memory Capacity
12GB + 256GB up to optional
Running memory: 6GB/8GB/12GB
LPDDR5 high-speed memory
Body storage: 128GB/256GB
UFS3.1 high-speed storage
* The actual available capacity will be reduced and vary due to many factors: due to the operating system running occupied part of the memory (RAM), the actual available space is less than the marked memory capacity; due to the installation of the operating system and pre-installed programs occupy part of the storage (ROM) ), the actual available storage space is less than the identified storage capacity.
screen display
120Hz E4 AMOLED high-brush straight screen
Size: 6.67 inches
Screen opening: 2.76mm
Screen resolution: 2400 X 1080 FHD+
Touch sampling rate: up to 360Hz
Contrast ratio: 5,000,000:1
Peak brightness: 1300nit
Global brightness: 900nit
primary color screen丨8bit丨MEMC Frame Rate Compensation丨
Eye Protection Reading Mode丨Sunshine Screen丨HDR10+
Corning®️5th Generation Gorilla®️ Glass
imaging system
rear camera
48 million flagship main camera
IMX582, 1/2" sensor, f/1.79 large aperture, OIS
119° ultra-wide-angle lens
8 million pixels, AI distortion correction algorithm
macro lens
2 megapixel macro
rear camera support
48 million ultra-clear丨AI magic clone丨front and rear double scenes丨AI magic kaleidoscope
AI Camera丨Super Night Scene丨Document Mode丨Cine Lens
ID card photocopying mode丨cute shot丨beauty at the back丨VLOG video
Time Lapse Photography丨Film Filters丨Voice Subtitles|Video Beauty丨Video Stabilization
960fps slow motion shooting丨Macro video shooting丨Short video recording
Portrait mode background blur丨Pro mode丨Dynamic photos丨Timed continuous shooting
Voice-activated photography丨Countdown photoshoot丨Level meter丨Reference line
Rear video capture frame rate
4K video capture: 30fps
1080P video shooting: 30fps/60fps
720P video shooting: 30fps
Slow motion frame rate
1080P video shooting: 120fps
720P video shooting: 120fps, 240fps, 960fps
Front 20 million AI beauty
Front camera support
Front and back dual scenes | Voice subtitles | Voice-activated photography丨Moeshot丨Film filter
Video Beauty丨Front Slow Motion丨Portrait Mode | 3D Beauty
Front Panorama丨Front Night Scene|Dynamic Photos丨Timed Continuous Shooting
Taking pictures in full screen | Gestures taking pictures | Front screen fill light
Countdown to take photos丨AI smart beauty丨Film light effect
Front video capture frame rate
1080p video capture: 30fps
720p video capture: 30fps
Slow motion frame rate
720p slow motion video capture: 120fps
battery life
4500mAh (typ)
built-in lithium-ion polymer battery, non-removable
USB Type-C charging port
Mobile phone supports QC3+ / PD3.0 fast charging protocol
Standard 67W charger
network frequency
5G | Dual SIM | Full Netcom 7.0
Support dual Nano card slots, any operator can be 5G on the network ①Support
China Mobile/Unicom/Telecom 5G/4G/3G/2G ②Support
dual SIM 5G dual mode SA/NSA(Sub-6G) ③Support
dual SIM VoLTE HD Voice④
Note ①: Whether to support 5G depends on the local operator network; when using two telecom cards, the secondary card can only be registered with the telecom VoLTE network, if the secondary card or the local network does not support telecom VoLTE services, it cannot be used;
Note ②: Not supported TD-SCDMA (Mobile 3G);
Note ③: Whether to support SA/NSA depends on the local operator's network and service deployment; the secondary card does not support SA
Note ④: VoLTE services of China Mobile/Unicom/Telecom are supported, and the actual usage depends on Operator's local network and service deployment
Note ②: Not supported TD-SCDMA (Mobile 3G);
Note ③: Whether to support SA/NSA depends on the local operator's network and service deployment; the secondary card does not support SA
Note ④: VoLTE services of China Mobile/Unicom/Telecom are supported, and the actual usage depends on Operator's local network and service deployment
Supported frequency bands
5G: n1/n3/n5/n8/n28A①/n38/n40/n41/n77/n78
4G: FDD-LTE: B1/B2/B3/B4/B5/B8/B18/B19/B26
TDD-LTE: B34/B38/B39/B40/B41②/B42
3G: WCDMA: B1/B2/B4/B5/B6/B8/B19
CDMA EVDO: BC0
2G: GSM: 850/900/1800/1900MHz;
CDMA 1X: BC0
Note ①: n28A (TX: 703-733MHz, RX: 758-788MHz)
Note ②: B41 (2496-2690MHz)
Note ②: B41 (2496-2690MHz)
Data Connections
Wi-Fi 6 support
WLAN Protocol: Wi-Fi 6, Wi-Fi 5, Wi-Fi 4 and 802.11a/b/g
WLAN Frequency: 2.4G Wi-Fi | 5G Wi-Fi
Wi-Fi Direct, Miracast
Bluetooth: Bluetooth 5.2
supports AAC / LDAC/LHDC
NFC function
Navigation and positioning
Beidou: B1I + B2a | GPS: L1 + L5 | Galileo: E1 + E5a
| GLONASS: G1 | QZSS: L1 + L5 | NavIC: Support
AGNSS: A-GPS, A-GLONASS, A-BDS | Data network positioning | WiFi Network positioning sensor assisted positioning
video playback
Dolby Vision certified
MP4, MKV, AVI, WMV, WEBM, 3GP, ASF
supports high dynamic range display when playing HDR10 video content
Music player
Dolby Atmos Certified
MP3, FLAC, APE, AAC, OGG, WAV, AMR-NB/AMR-WB
Hi-Res Audio Certified | Hi-Res Audio Wireless Certified | Dolby Atmos Certified Stereo Dual Speakers
sensor
360° Ambient Light Sensor | Acceleration Sensor | Gyroscope | Electronic Compass | Color Temperature Sensor | Linear Motor |
operating system
MIUI 13
packing list
Mobile phone / power adapter / USB Type-C data cable / mobile phone protective case
film (already covered on the screen) / pin / instruction manual (including three packs of certificates)
*This list is only for the packaging of the whole machine. According to different sales packages, the accessories packages provided outside the whole machine packaging are slightly different, and the user's choice at the time of purchase shall prevail.
Special Note:
1. In terms of memory and capacity, the actual available capacity will be reduced and different due to many factors: because the operating system occupies part of the memory (RAM), the actual available space is less than the marked memory capacity; due to the installation of the operating system and pre-installed programs Occupies part of the flash memory (ROM), and the actual available storage space is less than the indicated flash memory capacity.
2. The screen diagrams and product description display diagrams provided on this website are all reference diagrams, and the actual situation shall prevail in kind.
3. Product pictures, models, data, functions, performance, specifications, user interface and other product information are for reference only. Redmi may improve the above content. For specific information, please refer to the actual product and product manual. Unless otherwise specified, the data involved in this website are the results of Xiaomi's internal tests, and the comparisons involved are all compared with Redmi products.
4. The general mobile phones compared on the page are all Redmi's own mobile phones. The product site does not specifically point out that all data are provided by our company's laboratory data, design technical parameters and suppliers. The actual situation of the whole site data will be slightly different due to different test software versions, specific test environments and specific versions. The structural pictures displayed on the whole site are all functional schematic diagrams, not the absolute actual structure, and the actual object shall prevail.
Special Note
* The body weight is 1g lighter than K40 and 0.1 mm thinner than K40.
*Using the 67W charger in the box and testing it with the screen off, the data comes from Xiaomi Labs.
*Honor of Kings 120 frames, measured in 20 minutes performance mode.
*4500mAh is the typical value of Redmi K40 battery capacity.
*Compared with K40, the cooling area of liquid cooling is increased by 400%. The data comes from Xiaomi Lab.
*Super-resolution touch data are all from Xiaomi Labs, and the actual situation may vary slightly depending on the test environment, test software, etc.
* The data comes from Xiaomi Lab, the body weight is 1g lighter than the K40, and the thickness is 0.1 mm thinner than the K40.
*The general mobile phones compared on the page are Redmi's own mobile phones. The product station is not specially pointed out, all of which are our laboratory data, involving technical parameters and data provided by suppliers, the actual situation of the whole station data will be slightly different due to different test software versions. The structural pictures displayed on the whole site are all functional schematic diagrams, not the absolute actual structure, and the actual object shall prevail.
*Using the 67W charger in the box and testing it with the screen off, the data comes from Xiaomi Labs.
*Honor of Kings 120 frames, measured in 20 minutes performance mode.
*4500mAh is the typical value of Redmi K40 battery capacity.
*Compared with K40, the cooling area of liquid cooling is increased by 400%. The data comes from Xiaomi Lab.
*Super-resolution touch data are all from Xiaomi Labs, and the actual situation may vary slightly depending on the test environment, test software, etc.
* The data comes from Xiaomi Lab, the body weight is 1g lighter than the K40, and the thickness is 0.1 mm thinner than the K40.
*The general mobile phones compared on the page are Redmi's own mobile phones. The product station is not specially pointed out, all of which are our laboratory data, involving technical parameters and data provided by suppliers, the actual situation of the whole station data will be slightly different due to different test software versions. The structural pictures displayed on the whole site are all functional schematic diagrams, not the absolute actual structure, and the actual object shall prevail.
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