SafeRooting
Xiaomi Redmi K40
Xiaomi

Xiaomi Redmi K40

Released: 2021, February 25Price: About 280 EURStatus: Available. Released 2021, March 04

Root Support Available

Bootloader unlock, Magisk root, recovery notes, and expert support are available for this device family.

Full Specifications

OSAndroid 11, MIUI 12
CPUOcta-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
GPUAdreno 650
NFCYes
SIMNano-SIM + Nano-SIM
USBUSB Type-C 2.0, OTG
Size6.67 inches, 107.4 cm, 2, (~85.9% screen-to-body ratio)
TypeSuper AMOLED, 120Hz, HDR10+, 1300 nits (peak)
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
BrandXiaomi
ModelXiaomi Redmi K40
PriceAbout 280 EUR
RadioNo
SpeedHSPA, LTE, 5G
Video1080p@30fps, 720p@120fps
ColorsBlack, White, Aurora
ModelsM2012K11AC
Single20 MP, f/2.5, (wide), 1/3.4", 0.8µm
StatusAvailable. Released 2021, March 04
Triple48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF, 8 MP, f/2.2, 119˚ (ultrawide), 5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm
Weight196 g (6.91 oz)
ChipsetQualcomm SM8250-AC Snapdragon 870 5G (7 nm)
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compass
2G bandsGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42
5G bands1, 3, 28, 41, 77, 78 SA/NSA/Sub6
Charging33W wired, PD3.0, QC3, 100% in 52 min
FeaturesHDR
Internal128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Released2021, February 25
Announced2021, February 25
Bluetooth5.1, A2DP, LE
Card slotNo
3.5mm jackNo
Dimensions163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)
ProtectionCorning Gorilla Glass 5
Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
LoudspeakerYes, with stereo speakers
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC
Infrared portYes

Xiaomi Redmi K40 Overview

About Xiaomi Redmi K40 Xiaomi Redmi K40 is another flagship from Xiaomi's popular line of first class Android phones, released in the 2021. Xiaomi Redmi K40 has a wide variety of great specifications such as 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM with Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) , as well as ultrasonic fingerprint sensor. The thing that makes this decent smartphone special is its sleek design and an amazing all-screen design with no notches at all.

Rooting Information

Xiaomi Redmi K40 can generally be rooted with a bootloader unlock and Magisk patched boot image workflow. Always match firmware build numbers before flashing.

Bootloader Information

Most Android rooting methods begin with bootloader unlock. Unlocking may wipe data, affect warranty, and disable some security features.

Recovery Information

Custom recovery support depends on chipset, kernel source availability, and community builds. Fastboot-based Magisk installation can work even when TWRP is unavailable.

FAQ

Can I root the Xiaomi Redmi K40?

The Xiaomi Redmi K40 supports rooting through Magisk. You'll need to unlock the bootloader first, then flash a patched boot image. Check the rooting status card on this page for availability.

Does Xiaomi Redmi K40 support custom recovery (TWRP)?

Many Xiaomi devices support TWRP. Check our device page for recovery compatibility. If TWRP isn't available, you can still use Magisk through fastboot method.

Will rooting Xiaomi Redmi K40 void warranty?

Yes, rooting the Xiaomi Redmi K40 will void the manufacturer warranty. However, you can unroot using the stock firmware to potentially restore warranty coverage.

What Android version does Xiaomi Redmi K40 run?

Check the specifications section above for the current OS version and upgrade history of your Xiaomi Redmi K40.