Introductions

Redmi K40S is the beautiful device that already officially announces at March 2022, this device adopting modern design with added multiple great features that can be use all their user directly.

The Redmi K40S weight is 195 gram and the body dimension of Redmi K40S is 163.2 x 76 x 7.7 mm which is this the ideal physical body number dimension for modern devices today and the for the last introduction before we can do to the deeper things is the device also available on the Black, Gray, Blue, Green color user options.

But, the color options availability itself may be different on the specific market country, some the device color option will only available for limited number such as because the specific event time, after the event ended the color option may be not available for the buyer.

Build Quality

The Redmi K40S using Plastic combination body material, that is very common build material typically found on the entry-level up to middle level devices on the market, plastic material body is not really bad on this modern era, but still this material body it's not solid on hand, look cheap and it may easily to scratch. So, the plastic body material should not be use for flagship devices on higher price range, if you found this material on the latest flagship device it should be minus thing for the user.

Screen & User Navigation

Display screen configuration is very important factor for the user experience, in this Redmi K40S the setup of display screen are ideal which is bring 1080 x 2400 pixels on the screen resolution combined with 6.67" screen size. Then the display screen also have several configuration that are 20:9 ratio, (~395 ppi density), 120Hz, HDR10+, Corning Gorilla Glass 5.

Other the important thing on the display screen is the display panel hardware, good display panel hardware will drive more best experience to the user. Redmi K40S using AMOLED display hardware panel, which is the one of very good screen panel that exist today, typically AMOLED display panel can bring more experience to the user, it will be more bright on the screen, clear to view although in the very sunny days at the outdoor, produce more real color and the screen will produce more detail image.

The physical button on Redmi K40S is made very clear by it's own function, also for design and positioning of the physical button is ideal and can be easily used by user for navigating the device, such as for powering up device or adjusting the volume master.

CPU & GPU Performance

Processor is very vital hardware for processing any task on the device software, this is also included for the Graphic hardware that have main function for rendering graphic image on the device, the both of hardware is related each other every times, on the Redmi K40S we can see this device use Qualcomm Snapdragon 870 for CPU model and Adreno 650 for GPU model, are them good enough?

Yes, they are a good combination, this CPU and GPU setup can be use for handling multiple purpose on this device, such as for run some games, opening some apps, also have good performance when processing and rendering 3D image on the specific level that they can do at the maximal limit.

Memory

Besides CPU and GPU hardware, memory hardware is also very important sector for getting best experience for user when use that device for any multiple purpose, the memory sector itself are combination from the RAM capacity, internal memory storage and support for external expansion memory, then does Redmi K40S is good enough on term of memory performance?

When we see the memory combination specification we can see the Redmi K40S have 6GB / 8GB / 12GB amount of RAM, then also have 128GB / 256GB internal memory storage capacity and sadly, Redmi K40S does not support for external memory expansion, but it fine by the way because the capacity amount from the internal memory storage is good enough for the user, although without the external memory expansion feature support.

Thus, is Redmi K40S have a good memory performance? from the spec said Redmi K40S it's good for use to any purpose in the modern use, but it's also depending from the user perspective need.

Camera

Just like other modern smart devices that exist today, Redmi K40S also have camera feature for bringing best experience to their user, on the main / rear camera feature we can found Triple Setup camera configuration feature that exist on there.

The main / rear camera specification on Redmi K40S are (Main) 48 MP, f/1.8, 1/2", 0.8µm, PDAF, OIS for the main camera configuration setup. There was also available for secondary camera feature with spec (Ultrawide) 8 MP, 119˚. The Redmi K40S still have third camera feature with spec detail (Macro) 2 MP, f/2.4.

Redmi K40S have Single Setup for front / selfie camera feature. The main selfie camera spec on Redmi K40S are 20 MP.

Mobile Network

Redmi K40S fully support for using the mobile network broadband, Redmi K40S already supporting by Dual SIM, Nano SIM Card feature. The mobile network technology that using on Redmi K40S are 2G / 3G / 4G / 5G / CDMA / EVDO, user can freely choose the mode of mobile network on this device, because they can switch easily every times when the user needed.

Connectivity features

Actually, the best device for the modern use it should have multiple connectivity features on it, on the basic perspective the Redmi K40S are already have complete connectivity features.

The wireless connectivity on Redmi K40S that are already supporting by the Wi-Fi technology with the complete spec Wi-Fi 802.11 a/b/g/n/ac, Dual Band/6 and also supported by Bluetooth version 5.2, A2DP, LE. The other great things that available on Redmi K40S is fully support for NFC technology.

Redmi K40S also supported by using wired connectivity that use USB Type-C Port technology. So, this feature can be very useful to their user for connecting Redmi K40S to the other device such as Desktop Computer or other.

OS & Security

Because Redmi K40S designed for the modern user, that mean Redmi K40S should be operated by the smart Operating System, and the good thing is the Redmi K40S already use smart OS that known as Android 12. The vendor of this device also make some customization from the basic Android 12 firmware then known as MIUI 13 ROM, the goal of this thing will increasing more best experience for the user, because the more feature will be added on the MIUI 13 ROM, that may can't be found on the basic OS.

Now, how about the security technology on Redmi K40S? The Redmi K40S have a powerful security protection because this device using default security system from the software OS then combined with the Fingerprint (at the side) security hardware technology, then it will give more secure from the stranger access.

Speaker & Sound

Speaker hardware on Redmi K40S is very same as most other devices, there was a speaker hardware with using good loudspeaker quaility for calling and play some music and the other feature on this sector that are Redmi K40S fully supported by Stereo Speaker technology, which is very good by the way.

Battery

Redmi K40S comes with 4500 mAh battery capacity and have Li-Po battery model, this battery specification basically can be use for all long day use in normal term. But, take it easy if the device on the low battery state, because Redmi K40S already support Fast charging 67W technology, in the mean the charging time will go shortly depending on how big the (Watt) number on the fast charging feature, normally battery can be fully under 2 hours, 1 hours or 40 minutes.

This device also comes USB Type-C that it's very good because the USB Type-C is the universal charger Port that can be easy suitable for most charger cable on the most modern phone that exist today.

Common frequently asked questions