SafeRooting
LG K40S
LG

LG K40S

Released: 2019, AugustPrice: About 160 EURStatus: Available. Released 2019, September

Root Support Available

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

Full Specifications

OSAndroid 9.0 (Pie), upgradable to Android 10
CPUOcta-core 2.0 GHz Cortex-A53
GPUPowerVR GE8320
NFCYes (market/region dependent)
SIMNano-SIM, Nano-SIM + Nano-SIM
USBmicroUSB 2.0, OTG
Dual13 MP, f/2.2, 26mm (wide), PDAF, 5 MP, (ultrawide)
Size6.1 inches, 92.9 cm, 2, (~80.4% screen-to-body ratio)
TypeIPS LCD
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
BrandLG
ModelLG K40S
PriceAbout 160 EUR
RadioNo
SpeedHSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Video1080p@30fps
ColorsNew Aurora Black, New Moroccan Blue
ModelsLMX430HM, LM-X430
Single13 MP, f/2.0, 1/3.1", 1.12µm
StatusAvailable. Released 2019, September
Weight186 g (6.56 oz)
ChipsetMediatek MT6762 Helio P22 (12 nm)
SensorsFingerprint (rear-mounted), accelerometer, proximity
2G bandsGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100
4G bands1, 3, 7, 8, 20
FeaturesLED flash, panorama, HDR
Internal32GB 2GB RAM, 32GB 3GB RAM
Released2019, August
Announced2019, August
Bluetooth5.0, A2DP, LE
Card slotmicroSDXC (dedicated slot)
3.5mm jackYes
Dimensions156.3 x 73.9 x 8.6 mm (6.15 x 2.91 x 0.34 in)
Resolution720 x 1520 pixels, 19:9 ratio (~276 ppi density)
TechnologyGSM / HSPA / LTE
LoudspeakerYes
PositioningGPS, GLONASS

LG K40S Overview

About LG K40S LG K40S is another flagship from LG's popular line of first class Android phones, released in the 2019. LG K40S has a wide variety of great specifications such as 32GB 2GB RAM, 32GB 3GB RAM with Mediatek MT6762 Helio P22 (12 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

LG K40S 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 LG K40S?

The LG K40S 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 LG K40S support custom recovery (TWRP)?

Many LG 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 LG K40S void warranty?

Yes, rooting the LG K40S will void the manufacturer warranty. However, you can unroot using the stock firmware to potentially restore warranty coverage.

What Android version does LG K40S run?

Check the specifications section above for the current OS version and upgrade history of your LG K40S.