LG K40

LG K40
  • 5.7" 720x1440 pixels
  • 16MP 1080p
  • 2/3GB RAM Helio P22
  • 3000mAh Li-Ion
Released 2019, April 144g, 8.3mm thickness Android 8.1, LG UX 7 32GB storage, microSDXC
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Also known as LG K12+, LG K12 Plus, LG X4 (2019)
Versions: LMX420EMW

Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bands HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 7, 8, 20
Speed HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
Announced 2019, February
Status Available. Released 2019, April
Dimensions 153 x 71.9 x 8.3 mm (6.02 x 2.83 x 0.33 in)
Weight 144 g (5.08 oz)
Build Glass front, plastic back, plastic frame
SIM Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
 MIL-STD-810G compliant*
*does not guarantee ruggedness or use in extreme conditions
Size 5.7 inches, 83.8 cm2 (~76.2% screen-to-body ratio)
Resolution 720 x 1440 pixels, 18:9 ratio (~282 ppi density)
OS Android 8.1 (Oreo), LG UX 7
Chipset Mediatek MT6762 Helio P22 (12 nm)
CPU Octa-core 2.0 GHz Cortex-A53
GPU PowerVR GE8320
Card slot microSDXC (dedicated slot)
Internal 32GB 2GB RAM, 32GB 3GB RAM
 eMMC 5.1
Main Camera
Single 16 MP, f/2.0, 1/3.1", 1.0┬Ám, PDAF
Features LED flash, panorama, HDR
Video 1080p@30fps
Selfie Camera
Single 8 MP, f/2.0
Features LED flash
Video 1080p@30fps
Loudspeaker Yes
3.5mm jack Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Bluetooth 5.0, A2DP, LE
Positioning GPS, GLONASS
NFC Yes (market/region dependent)
Radio No
USB microUSB 2.0, OTG
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass
Type Li-Ion 3000 mAh, non-removable
Colors Black, New Moroccan Blue, New Platinum Gray
Models LMX420, LMX420EMW, LM-X420
Price About 140 EUR

User opinions and reviews

  • Anonymous
  • 30 Mar 2023
  • Q64

It def is a cheap phone but it is functional

  • Frustrated
  • 04 Jan 2023
  • 8b8

I talked to a tech person who told me they sell u these phones and they work for about a year then they break down because YOUR PROVIDER wants you to buy a new phone ! If youre not paying a high monthly bill, they get u from the back end selling u ...

  • Jolpe
  • 01 Dec 2022
  • 6tC

This is the worst phone I have ever had. Just a year after getting it (suspicious because that's the warranty) it became ultra slow, crashed on basic stuff, I even uninstalled everything except for messagers like whatsapp and fb messenger and it...

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