Overview LG X420HM(LMX420HM) aka LG K40

Compare

Specification LG X420HM(LMX420HM) aka LG K40

Model and Features
Model LG X420HM
Series LG K40
Release Date April, 2019
Depth 8.3 mm (0.33 in)
Size (width x height) 153.2 x 71.9 mm (6.03 x 2.83 in)
Weight 144 g (5.08 oz)
Operating System Android 8.x Oreo Mirror Release 1
Hardware
CPU 2.0GHz MediaTek MT6762
CPU Cores Octa-core
RAM Memory 2GB
Internal Storage 32GB
External Storage microSD, up to 1 TB
Network and Data
Number of sim slots 1 Nano-Sim
2G network GSM 850/900/1800/1900 MHz
3G network HSDPA 850/900/1900/2100 MHz
4G network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 25(1900), 26(850), 28(700), 40(2300), 41(2500), 46, 48, 66(1700/2100)
5G network -
Data GPRS/EDGE
Display
Screen size 5.7 inches (~75.4% screen-to-body ratio)
Display Type IPS LCD capacitive touchscreen
Display Resolution 720 x 1440 pixels (~284 ppi density)
Display Colors 16M colors
Battery and Keyboard
Battery Capacity Non-removable Li-Ion 3000 mAh
Physical keyboard -
Interfaces
Audio output 3.5mm jack
Bluetooth version 5.0, A2DP, LE, aptX HD
DLNA Yes
GPS Yes, with A-GPS, GLONASS
Infrared port No
NFC No
USB microUSB 2.0
WiFi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot

Firmwares LG X420HM(LMX420HM) aka LG K40

LG Phone firmwares regions descriptions
Region File name OS Size Date Downloads
ARG
  • Argentina
 X420HM10f_00_OPEN_SCA_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.08 GiB 2019-09-12 670 time(s)
ARG
  • Argentina
 X420HM20a_00_OPEN_SCA_OP_1203.kdz Android 9 Pie 2.35 GiB 2020-03-19 394 time(s)
ARG
  • Argentina
 X420HM20b_00_OPEN_SCA_OP_0703.kdz Android 8.x Oreo Mirror Release 1 2.37 GiB 2020-08-20 56 time(s)
CAD
  • Dominica
 X420HM10b_00_CLR_COM_OP_0508.kdz Android 8.x Oreo Mirror Release 1 2.35 GiB 2019-07-25 55 time(s)
CAD
  • Dominica
 X420HM10e_00_CLR_COM_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-09-26 9 time(s)
CAD
  • Dominica
 X420HM10f_00_CLR_COM_OP_1023.kdz Android 8.x Oreo Mirror Release 1 2.42 GiB 2019-12-05 18 time(s)
CAD
  • Dominica
 X420HM20a_01_CLR_COM_OP_0127.kdz Android 9 Pie 2.72 GiB 2020-04-05 22 time(s)
CAD
  • Dominica
 X420HM20b_00_CLR_COM_OP_0311.kdz Android 9 Pie 2.72 GiB 2020-04-23 9 time(s)
CAD
  • Dominica
 X420HM20c_00_CLR_COM_OP_0507.kdz Android 9 Pie 2.72 GiB 2020-06-11 13 time(s)
CAD
  • Dominica
 X420HM20d_00_CLR_COM_OP_0708.kdz Android 9 Pie 2.72 GiB 2020-08-13 2 time(s)
CAD
  • Dominica
 X420HM20e_00_CLR_COM_OP_0831.kdz Android 9 Pie 2.72 GiB 2020-10-01 6 time(s)
CAD
  • Dominica
 X420HM20f_00_CLR_COM_OP_1030.kdz Android 9 Pie 2.72 GiB 2020-12-05 6 time(s)
CAD
  • Dominica
 X420HM20g_00_CLR_COM_OP_0112.kdz Android 9 Pie 2.72 GiB 2021-02-18 4 time(s)
CAD
  • Dominica
 X420HM20h_00_CLR_COM_OP_0303.kdz Android 9 Pie 2.72 GiB 2021-03-25 15 time(s)
CAO
  • Unknown
 X420HM10b_00_CLR_COM_OP_0508.kdz Android 8.x Oreo Mirror Release 1 2.35 GiB 2019-07-25 21 time(s)
CAO
  • Unknown
 X420HM10e_00_CLR_COM_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-10-10 14 time(s)
CAO
  • Unknown
 X420HM20a_00_CLR_COM_OP_1125.kdz Android 9 Pie 2.72 GiB 2020-02-13 68 time(s)
CAO
  • Unknown
 X420HM20e_00_CLR_COM_OP_0714.kdz Android 9 Pie 2.73 GiB 2020-08-20 27 time(s)
CHL
  • Chile
 X420HM10c_00_OPEN_SCA_OP_0425.kdz Android 8.x Oreo Mirror Release 1 2.04 GiB 2019-07-25 280 time(s)
CHL
  • Chile
 X420HM10d_00_OPEN_SCA_OP_0617.kdz Android 8.x Oreo Mirror Release 1 2.05 GiB 2019-08-29 31 time(s)
CHL
  • Chile
 X420HM10f_00_OPEN_SCA_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.08 GiB 2019-10-17 62 time(s)
CHL
  • Chile
 X420HM20a_00_OPEN_SCA_OP_0319.kdz Android 9 Pie 2.36 GiB 2020-11-12 61 time(s)
CLA
  • Chile
 X420HM10c_00_CLR_COM_OP_0604.kdz Android 8.x Oreo Mirror Release 1 2.36 GiB 2019-08-08 22 time(s)
CLA
  • Chile
 X420HM10e_00_CLR_COM_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-09-19 26 time(s)
CLA
  • Chile
 X420HM20a_00_CLR_COM_OP_0319.kdz Android 8.x Oreo Mirror Release 1 2.72 GiB 2020-11-26 8 time(s)
CLP
  • Peru
 X420HM10b_00_CLR_COM_OP_0508.kdz Android 8.x Oreo Mirror Release 1 2.35 GiB 2019-07-25 201 time(s)
CLP
  • Peru
 X420HM10c_00_0711.kdz Android 8.x Oreo Mirror Release 1 2.35 GiB 2019-08-22 44 time(s)
CLP
  • Peru
 X420HM10e_00_CLR_COM_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-09-19 82 time(s)
CLP
  • Peru
 X420HM10f_00_CLR_COM_OP_0906.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-10-24 22 time(s)
CLP
  • Peru
 X420HM10g_00_CLR_COM_OP_1105.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-12-12 37 time(s)
CLP
  • Peru
 X420HM20a_00_CLR_COM_OP_1128.kdz Android 9 Pie 2.72 GiB 2020-01-09 158 time(s)
CLP
  • Peru
 X420HM20b_00_CLR_COM_OP_0120.kdz Android 9 Pie 2.72 GiB 2020-03-11 15 time(s)
CLP
  • Peru
 X420HM20c_00_CLR_COM_OP_0306.kdz Android 9 Pie 2.72 GiB 2020-04-09 23 time(s)
CLP
  • Peru
 X420HM20d_00_CLR_COM_OP_0507.kdz Android 9 Pie 2.72 GiB 2020-06-10 22 time(s)
CLP
  • Peru
 X420HM20e_00_CLR_COM_OP_0714.kdz Android 9 Pie 2.73 GiB 2020-08-13 20 time(s)
CLP
  • Peru
 X420HM20f_00_CLR_COM_OP_0831.kdz Android 9 Pie 2.73 GiB 2020-10-14 7 time(s)
CLP
  • Peru
 X420HM20g_00_CLR_COM_OP_1030.kdz Android 9 Pie 2.73 GiB 2020-11-26 13 time(s)
CLP
  • Peru
 X420HM20h_00_CLR_COM_OP_0112.kdz Android 9 Pie 2.73 GiB 2021-02-22 20 time(s)
CLP
  • Peru
 X420HM20i_00_CLR_COM_OP_0303.kdz Android 9 Pie 2.73 GiB 2021-04-08 60 time(s)
CMC
  • Colombia
 X420HM10b_00_CLR_COM_OP_0508.kdz Android 8.x Oreo Mirror Release 1 2.35 GiB 2019-07-25 96 time(s)
CMC
  • Colombia
 X420HM10c_00_0711.kdz Android 8.x Oreo Mirror Release 1 2.35 GiB 2019-08-15 49 time(s)
CMC
  • Colombia
 X420HM10e_01_CLR_COM_OP_0903.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-10-10 35 time(s)
CMC
  • Colombia
 X420HM10f_00_CLR_COM_OP_1107.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-11-28 25 time(s)
CMC
  • Colombia
 X420HM20a_00_CLR_COM_OP_1125.kdz Android 9 Pie 2.72 GiB 2020-01-23 85 time(s)
CMC
  • Colombia
 X420HM20b_00_CLR_COM_OP_0120.kdz Android 9 Pie 2.72 GiB 2020-02-13 24 time(s)
CMC
  • Colombia
 X420HM20c_00_CLR_COM_OP_0306.kdz Android 9 Pie 2.72 GiB 2020-04-09 24 time(s)
CMC
  • Colombia
 X420HM20d_00_CLR_COM_OP_0507.kdz Android 9 Pie 2.72 GiB 2020-06-10 11 time(s)
CMC
  • Colombia
 X420HM20e_00_CLR_COM_OP_0714.kdz Android 9 Pie 2.73 GiB 2020-08-27 16 time(s)
CMC
  • Colombia
 X420HM20f_00_CLR_COM_OP_0831.kdz Android 9 Pie 2.73 GiB 2020-10-08 12 time(s)
CMC
  • Colombia
 X420HM20g_00_CLR_COM_OP_1030.kdz Android 9 Pie 2.73 GiB 2020-12-05 56 time(s)
CMC
  • Colombia
 X420HM20h_00_CLR_COM_OP_0112.kdz Android 9 Pie 2.73 GiB 2021-02-18 8 time(s)
CMC
  • Colombia
 X420HM20i_00_CLR_COM_OP_0303.kdz Android 9 Pie 2.73 GiB 2021-03-22 14 time(s)
COL
  • Colombia
 X420HM10e_00_OPEN_SCA_OP_0702.kdz Android 8.x Oreo Mirror Release 1 2.05 GiB 2019-07-25 97 time(s)
COL
  • Colombia
 X420HM10f_00_OPEN_SCA_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.08 GiB 2019-10-10 35 time(s)
COL
  • Colombia
 X420HM20a_00_OPEN_SCA_OP_1125.kdz Android 9 Pie 2.33 GiB 2019-12-21 112 time(s)
CRI
  • Costa Rica
 X420HM10a_02_ICE_CR_OP_0508.kdz Android 8.x Oreo Mirror Release 1 2.11 GiB 2019-07-25 84 time(s)
CRI
  • Costa Rica
 X420HM10a_03_ICE_CR_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.15 GiB 2019-10-03 9 time(s)
CRI
  • Costa Rica
 X420HM20a_00_ICE_CR_OP_1128.kdz Android 9 Pie 2.39 GiB 2020-01-30 29 time(s)
CTI
  • Argentina
 X420HM10d_00_0725.kdz Android 8.x Oreo Mirror Release 1 2.34 GiB 2019-08-22 8 time(s)
CTI
  • Argentina
 X420HM10e_00_CLR_COM_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-09-05 11 time(s)
CTI
  • Argentina
 X420HM20a_00_CLR_COM_OP_1125.kdz Android 9 Pie 2.72 GiB 2020-01-30 26 time(s)
CTI
  • Argentina
 X420HM20c_00_CLR_COM_OP_0306.kdz Android 9 Pie 2.72 GiB 2020-04-09 12 time(s)
CTI
  • Argentina
 X420HM20d_00_CLR_COM_OP_0507.kdz Android 9 Pie 2.72 GiB 2020-06-05 7 time(s)
CTI
  • Argentina
 X420HM20e_00_CLR_COM_OP_0708.kdz Android 9 Pie 2.72 GiB 2020-08-20 4 time(s)
CTI
  • Argentina
 X420HM20f_00_CLR_COM_OP_0831.kdz Android 9 Pie 2.72 GiB 2020-10-07 2 time(s)
CTI
  • Argentina
 X420HM20g_00_CLR_COM_OP_1030.kdz Android 9 Pie 2.72 GiB 2020-11-26 6 time(s)
CTI
  • Argentina
 X420HM20h_00_CLR_COM_OP_0112.kdz Android 9 Pie 2.72 GiB 2021-02-11 6 time(s)
CTI
  • Argentina
 X420HM20i_00_CLR_COM_OP_0303.kdz Android 9 Pie 2.72 GiB 2021-03-25 2 time(s)
EPT
  • Ecuador
 X420HM10b_00_CLR_COM_OP_0508.kdz Android 8.x Oreo Mirror Release 1 2.35 GiB 2019-07-25 18 time(s)
EPT
  • Ecuador
 X420HM10e_00_CLR_COM_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-09-12 8 time(s)
EPT
  • Ecuador
 X420HM20a_00_CLR_COM_OP_1125.kdz Android 9 Pie 2.72 GiB 2020-01-09 21 time(s)
PRN
  • Argentina
 X420HM10d_00_OPEN_SCA_OP_0604.kdz Android 8.x Oreo Mirror Release 1 2.05 GiB 2019-09-12 10 time(s)
PRN
  • Argentina
 X420HM10f_00_OPEN_SCA_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.08 GiB 2019-10-31 9 time(s)
PRN
  • Argentina
 X420HM20a_00_OPEN_SCA_OP_1128.kdz Android 9 Pie 2.33 GiB 2020-03-26 9 time(s)
TCL
  • Mexico
 X420HM10a_02_0507.kdz Android 8.x Oreo Mirror Release 1 2.26 GiB 2019-07-25 148 time(s)
TCL
  • Mexico
 X420HM10a_03_0705.kdz Android 8.x Oreo Mirror Release 1 2.28 GiB 2019-08-01 20 time(s)
TCL
  • Mexico
 X420HM10a_04_0827.kdz Android 8.x Oreo Mirror Release 1 2.28 GiB 2019-09-12 25 time(s)
TCL
  • Mexico
 X420HM20a_00_1010.kdz Android 9 Pie 2.66 GiB 2019-11-14 126 time(s)
TCL
  • Mexico
 X420HM20a_01_1111.kdz Android 9 Pie 2.66 GiB 2019-12-05 40 time(s)
TCL
  • Mexico
 X420HM20a_02_0106.kdz Android 9 Pie 2.67 GiB 2020-02-13 38 time(s)
TCL
  • Mexico
 X420HM20a_03_0310.kdz Android 9 Pie 2.67 GiB 2020-04-01 6 time(s)
TCL
  • Mexico
 X420HM20a_04_0505.kdz Android 9 Pie 2.67 GiB 2020-06-05 6 time(s)
TCL
  • Mexico
 X420HM20a_05_0708.kdz Android 9 Pie 2.67 GiB 2020-08-13 5 time(s)
TCL
  • Mexico
 X420HM20a_06_0831.kdz Android 9 Pie 2.67 GiB 2020-10-08 4 time(s)
TCL
  • Mexico
 X420HM20a_07_1030.kdz Android 9 Pie 2.67 GiB 2020-11-26 13 time(s)
TCL
  • Mexico
 X420HM20a_08_0112.kdz Android 9 Pie 2.67 GiB 2021-02-18 10 time(s)
TCL
  • Mexico
 X420HM20a_09_0303.kdz Android 9 Pie 2.67 GiB 2021-03-25 20 time(s)
TFH
  • Chile
 X420HM10d_00_OPEN_SCA_OP_0604.kdz Android 8.x Oreo Mirror Release 1 2.05 GiB 2019-08-15 16 time(s)
TFH
  • Chile
 X420HM10f_00_OPEN_SCA_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.08 GiB 2019-10-24 10 time(s)
TFH
  • Chile
 X420HM20a_00_OPEN_SCA_OP_0319.kdz Android 9 Pie 2.36 GiB 2020-11-12 4 time(s)
TFR
  • Ecuador
 X420HM10e_00_OPEN_SCA_OP_0702.kdz Android 8.x Oreo Mirror Release 1 2.05 GiB 2019-08-01 24 time(s)
TFR
  • Ecuador
 X420HM10f_00_OPEN_SCA_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.08 GiB 2019-09-26 9 time(s)
TFS
  • Argentina
 X420HM10e_00_OPEN_SCA_OP_0702.kdz Android 8.x Oreo Mirror Release 1 2.05 GiB 2019-08-22 20 time(s)
TFS
  • Argentina
 X420HM20a_00_OPEN_SCA_OP_1128.kdz Android 9 Pie 2.33 GiB 2020-03-26 13 time(s)
TGO
  • Unknown
 X420HM10b_00_TGO_COM_OP_0508.kdz Android 8.x Oreo Mirror Release 1 2.04 GiB 2019-07-25 37 time(s)
TGO
  • Unknown
 X420HM10c_00_TGO_COM_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.08 GiB 2019-08-29 12 time(s)
TGO
  • Unknown
 X420HM20a_00_TGO_COM_OP_1128.kdz Android 9 Pie 2.35 GiB 2020-01-30 42 time(s)
TPO
  • Mexico
 X420HM10a_02_0507.kdz Android 8.x Oreo Mirror Release 1 2.26 GiB 2019-07-25 72 time(s)
TPO
  • Mexico
 X420HM10a_03_0705.kdz Android 8.x Oreo Mirror Release 1 2.28 GiB 2019-08-01 11 time(s)
TPO
  • Mexico
 X420HM10a_04_0827.kdz Android 8.x Oreo Mirror Release 1 2.28 GiB 2019-09-12 11 time(s)
TPO
  • Mexico
 X420HM20a_00_1010.kdz Android 9 Pie 2.66 GiB 2019-11-14 42 time(s)
TPO
  • Mexico
 X420HM20a_01_1111.kdz Android 9 Pie 2.66 GiB 2019-12-05 25 time(s)
TPO
  • Mexico
 X420HM20a_02_0106.kdz Android 9 Pie 2.67 GiB 2020-02-13 14 time(s)
TPO
  • Mexico
 X420HM20a_03_0310.kdz Android 9 Pie 2.67 GiB 2020-04-02 6 time(s)
TPO
  • Mexico
 X420HM20a_04_0505.kdz Android 9 Pie 2.67 GiB 2020-06-05 4 time(s)
TPO
  • Mexico
 X420HM20a_05_0708.kdz Android 9 Pie 2.67 GiB 2020-08-20 9 time(s)
TPO
  • Mexico
 X420HM20a_06_0831.kdz Android 9 Pie 2.67 GiB 2020-10-08 8 time(s)
TPO
  • Mexico
 X420HM20a_07_1030.kdz Android 9 Pie 2.67 GiB 2020-11-26 19 time(s)
TPO
  • Mexico
 X420HM20a_08_0112.kdz Android 9 Pie 2.67 GiB 2021-02-18 8 time(s)
TPO
  • Mexico
 X420HM20a_09_0303.kdz Android 9 Pie 2.67 GiB 2021-03-25 27 time(s)
URY
  • Uruguay
 X420HM10f_00_OPEN_SCA_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.08 GiB 2019-09-12 22 time(s)
URY
  • Uruguay
 X420HM20a_00_OPEN_SCA_OP_1203.kdz Android 9 Pie 2.35 GiB 2020-01-09 30 time(s)

Articles LG X420HM(LMX420HM) aka LG K40

Video LG X420HM(LMX420HM) aka LG K40

How to Enable Developer Options & USB Debugging on LG ? How to Enable Developer Options & USB Debugging on LG ?
How to Factory Reset through menu on LG Aristo MS210? How to Factory Reset through menu on LG Aristo MS210?
How to Flash Stock Firmware on LG Smartphone using LG Flash Tool 2014? How to Flash Stock Firmware on LG Smartphone using LG Flash Tool 2014?
How to Flash Stock Firmware on LG Smartphone using LG UP? How to Flash Stock Firmware on LG Smartphone using LG UP?
How to Hard Reset on LG G5 H850? How to Hard Reset on LG G5 H850?
TOP 5 SECRET CODES for LG! TOP 5 SECRET CODES for LG!

0 Comments

to post a comment.

Others model from this series

LG K40 X420EM
LG K40 X420MM
LG K40 X420PR
LG K40 X420QM
LG K40 X420QM6
LG K40 X420QN
LG K40 X420TM
LG K40 X420ZM
LG K40 X420ZMW
To Top
GDPR