Redmi K40S has been announced in China alongside the Redmi K50 and K50 Pro. The K40S is a sibling to the Redmi K40 that was launched last year. The K40 was a popular device with its cumulative sales volume put at over 10 million units. The wide popularity of the K40 may have triggered the need for the CHinese tech giant to launch the K40S despite moving on to the K50 series.

While retaining the strengths of the K40, the Redmi K40S improves on the design and features with several enhancements. One aspect that got upgraded is the cooling system. The Redmi K40S utilises a 3112 square mm VC liquid-cooled heat dissipation system instead of the liquid- cooled copper tube used on the K40. The new cooling area is increased by 400%. As a result of the enhanced cooling system, the new model supports the 120-frame mode of multiplayer online battle arena (MOBA) games.

Another aspect where the K40S is upgraded is in the charging technology. The K40 supports 67W fast charging twice more than the 33W fast charging onboard the Redmi K40. Thus, the charging time is shortened from 52 minutes to 38 minutes.

The Redmi K40S also features an upgraded camera system. Despite packing a Sony IMX582 48-megapixel main camera just like its predecessor, the main camera comes with optical image stabilization (OIS) which brings stability during photo and video recording while on the move. The main camera teams up with an 8-megapixel ultra-wide-angle and a 2-megapixel macro lens.

Finally, the Redmi K40 comes with some enhancements in its design. The device ditches the curved edge design of its predecessor for a trendy small vertical edge design, which is tougher and sharp. It comes in slightly lighter and thinner at 195 gram and 7.7 mm thickness.

In other aspects, the Redmi K40S is powered by a Qualcomm Snapdragon 870 chipset paired with 6/8/12GB LPDDR5 memory and 128/256GB UFS 3.1 flash memory. The phone sports a 6.67-inch Samsung E4 AMOLED straight screen with an FHD+ resolution and support for a 120Hz refresh rate. It crams a 4500mAh battery under the hood.

The Redmi K40S comes with a side fingerprint recognition and a 20-megapixel selfie camera. You also get Wi-Fi 6, Dolby Atmos support, X-axis linear motor, NFC, infrared remote control, and more.

As for the price, the Redmi K40S is slightly higher than the price of the K40. It starts at 1799 yuan (~$283) for the 6+128GB variant. Others are;

• 8+128GB 1999 yuan (~$315)
• 8+256GB 2199 yuan (~$346)
• 12+256GB 2399 yuan (~$378)

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