Overview LG X420HM(LMX420HM) aka LG K40

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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 2019-09-12 374 time(s)
ARG
  • Argentina
 X420HM20a_00_OPEN_SCA_OP_1203.kdz Android 9 Pie 2.35 GiB 2020-03-19 175 time(s)
ARG
  • Argentina
 X420HM20b_00_OPEN_SCA_OP_0703.kdz Android 8.x Oreo Mirror Release 1 2.37 GiB 2020-08-20 9 time(s)
CAD
  • Dominica
 X420HM10b_00_CLR_COM_OP_0508.kdz Android 8.x Oreo Mirror Release 1 2.35 GiB 2019-07-25 37 time(s)
CAD
  • Dominica
 X420HM10e_00_CLR_COM_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-09-26 8 time(s)
CAD
  • Dominica
 X420HM10f_00_CLR_COM_OP_1023.kdz Android 8.x Oreo Mirror Release 1 2.42 GiB 2019-12-05 12 time(s)
CAD
  • Dominica
 X420HM20a_01_CLR_COM_OP_0127.kdz Android 9 Pie 2.72 GiB 2020-04-05 7 time(s)
CAD
  • Dominica
 X420HM20b_00_CLR_COM_OP_0311.kdz Android 9 Pie 2.72 GiB 2020-04-23 6 time(s)
CAD
  • Dominica
 X420HM20c_00_CLR_COM_OP_0507.kdz Android 9 Pie 2.72 GiB 2020-06-11 9 time(s)
CAD
  • Dominica
 X420HM20d_00_CLR_COM_OP_0708.kdz Android 9 Pie 2.72 GiB 2020-08-13 1 time(s)
CAD
  • Dominica
 X420HM20e_00_CLR_COM_OP_0831.kdz Android 9 Pie 2.72 GiB 2020-10-01 2 time(s)
CAO
  • Unknown
 X420HM10b_00_CLR_COM_OP_0508.kdz Android 8.x Oreo Mirror Release 1 2.35 GiB 2019-07-25 17 time(s)
CAO
  • Unknown
 X420HM10e_00_CLR_COM_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-10-10 11 time(s)
CAO
  • Unknown
 X420HM20a_00_CLR_COM_OP_1125.kdz Android 9 Pie 2.72 GiB 2020-02-13 47 time(s)
CAO
  • Unknown
 X420HM20e_00_CLR_COM_OP_0714.kdz Android 9 Pie 2.73 GiB 2020-08-20 12 time(s)
CHL
  • Chile
 X420HM10c_00_OPEN_SCA_OP_0425.kdz Android 8.x Oreo Mirror Release 1 2.04 GiB 2019-07-25 233 time(s)
CHL
  • Chile
 X420HM10d_00_OPEN_SCA_OP_0617.kdz Android 8.x Oreo Mirror Release 1 2.05 GiB 2019-08-29 25 time(s)
CHL
  • Chile
 X420HM10f_00_OPEN_SCA_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.08 GiB 2019-10-17 53 time(s)
CHL
  • Chile
 X420HM20a_00_OPEN_SCA_OP_0319.kdz Android 9 Pie 2.36 GiB 2020-11-12 2 time(s)
CLA
  • Chile
 X420HM10c_00_CLR_COM_OP_0604.kdz Android 8.x Oreo Mirror Release 1 2.36 GiB 2019-08-08 20 time(s)
CLA
  • Chile
 X420HM10e_00_CLR_COM_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-09-19 21 time(s)
CLA
  • Chile
 X420HM20a_00_CLR_COM_OP_0319.kdz Android 8.x Oreo Mirror Release 1 2.72 GiB 2020-11-26 0 time(s)
CLP
  • Peru
 X420HM10b_00_CLR_COM_OP_0508.kdz Android 8.x Oreo Mirror Release 1 2.35 GiB 2019-07-25 140 time(s)
CLP
  • Peru
 X420HM10c_00_0711.kdz Android 8.x Oreo Mirror Release 1 2.35 GiB 2019-08-22 33 time(s)
CLP
  • Peru
 X420HM10e_00_CLR_COM_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-09-19 70 time(s)
CLP
  • Peru
 X420HM10f_00_CLR_COM_OP_0906.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-10-24 17 time(s)
CLP
  • Peru
 X420HM10g_00_CLR_COM_OP_1105.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-12-12 20 time(s)
CLP
  • Peru
 X420HM20a_00_CLR_COM_OP_1128.kdz Android 9 Pie 2.72 GiB 2020-01-09 108 time(s)
CLP
  • Peru
 X420HM20b_00_CLR_COM_OP_0120.kdz Android 9 Pie 2.72 GiB 2020-03-11 9 time(s)
CLP
  • Peru
 X420HM20c_00_CLR_COM_OP_0306.kdz Android 9 Pie 2.72 GiB 2020-04-09 22 time(s)
CLP
  • Peru
 X420HM20d_00_CLR_COM_OP_0507.kdz Android 9 Pie 2.72 GiB 2020-06-10 20 time(s)
CLP
  • Peru
 X420HM20e_00_CLR_COM_OP_0714.kdz Android 9 Pie 2.73 GiB 2020-08-13 12 time(s)
CLP
  • Peru
 X420HM20f_00_CLR_COM_OP_0831.kdz Android 9 Pie 2.73 GiB 2020-10-14 2 time(s)
CLP
  • Peru
 X420HM20g_00_CLR_COM_OP_1030.kdz Android 9 Pie 2.73 GiB 2020-11-26 0 time(s)
CMC
  • Colombia
 X420HM10b_00_CLR_COM_OP_0508.kdz Android 8.x Oreo Mirror Release 1 2.35 GiB 2019-07-25 55 time(s)
CMC
  • Colombia
 X420HM10c_00_0711.kdz Android 8.x Oreo Mirror Release 1 2.35 GiB 2019-08-15 36 time(s)
CMC
  • Colombia
 X420HM10e_01_CLR_COM_OP_0903.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-10-10 31 time(s)
CMC
  • Colombia
 X420HM10f_00_CLR_COM_OP_1107.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-11-28 20 time(s)
CMC
  • Colombia
 X420HM20a_00_CLR_COM_OP_1125.kdz Android 9 Pie 2.72 GiB 2020-01-23 42 time(s)
CMC
  • Colombia
 X420HM20b_00_CLR_COM_OP_0120.kdz Android 9 Pie 2.72 GiB 2020-02-13 21 time(s)
CMC
  • Colombia
 X420HM20c_00_CLR_COM_OP_0306.kdz Android 9 Pie 2.72 GiB 2020-04-09 17 time(s)
CMC
  • Colombia
 X420HM20d_00_CLR_COM_OP_0507.kdz Android 9 Pie 2.72 GiB 2020-06-10 10 time(s)
CMC
  • Colombia
 X420HM20e_00_CLR_COM_OP_0714.kdz Android 9 Pie 2.73 GiB 2020-08-27 9 time(s)
CMC
  • Colombia
 X420HM20f_00_CLR_COM_OP_0831.kdz Android 9 Pie 2.73 GiB 2020-10-08 4 time(s)
COL
  • Colombia
 X420HM10e_00_OPEN_SCA_OP_0702.kdz Android 8.x Oreo Mirror Release 1 2.05 GiB 2019-07-25 75 time(s)
COL
  • Colombia
 X420HM10f_00_OPEN_SCA_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.08 GiB 2019-10-10 28 time(s)
COL
  • Colombia
 X420HM20a_00_OPEN_SCA_OP_1125.kdz Android 9 Pie 2.33 GiB 2019-12-21 84 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 75 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 22 time(s)
CTI
  • Argentina
 X420HM10d_00_0725.kdz Android 8.x Oreo Mirror Release 1 2.34 GiB 2019-08-22 7 time(s)
CTI
  • Argentina
 X420HM10e_00_CLR_COM_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.41 GiB 2019-09-05 9 time(s)
CTI
  • Argentina
 X420HM20a_00_CLR_COM_OP_1125.kdz Android 9 Pie 2.72 GiB 2020-01-30 25 time(s)
CTI
  • Argentina
 X420HM20c_00_CLR_COM_OP_0306.kdz Android 9 Pie 2.72 GiB 2020-04-09 11 time(s)
CTI
  • Argentina
 X420HM20d_00_CLR_COM_OP_0507.kdz Android 9 Pie 2.72 GiB 2020-06-05 6 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 0 time(s)
EPT
  • Ecuador
 X420HM10b_00_CLR_COM_OP_0508.kdz Android 8.x Oreo Mirror Release 1 2.35 GiB 2019-07-25 15 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 15 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 8 time(s)
PRN
  • Argentina
 X420HM20a_00_OPEN_SCA_OP_1128.kdz Android 9 Pie 2.33 GiB 2020-03-26 8 time(s)
TCL
  • Mexico
 X420HM10a_02_0507.kdz Android 8.x Oreo Mirror Release 1 2.26 GiB 2019-07-25 116 time(s)
TCL
  • Mexico
 X420HM10a_03_0705.kdz Android 8.x Oreo Mirror Release 1 2.28 GiB 2019-08-01 14 time(s)
TCL
  • Mexico
 X420HM10a_04_0827.kdz Android 8.x Oreo Mirror Release 1 2.28 GiB 2019-09-12 21 time(s)
TCL
  • Mexico
 X420HM20a_00_1010.kdz Android 9 Pie 2.66 GiB 2019-11-14 86 time(s)
TCL
  • Mexico
 X420HM20a_01_1111.kdz Android 9 Pie 2.66 GiB 2019-12-05 36 time(s)
TCL
  • Mexico
 X420HM20a_02_0106.kdz Android 9 Pie 2.67 GiB 2020-02-13 34 time(s)
TCL
  • Mexico
 X420HM20a_03_0310.kdz Android 9 Pie 2.67 GiB 2020-04-01 5 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 0 time(s)
TFH
  • Chile
 X420HM10d_00_OPEN_SCA_OP_0604.kdz Android 8.x Oreo Mirror Release 1 2.05 GiB 2019-08-15 13 time(s)
TFH
  • Chile
 X420HM10f_00_OPEN_SCA_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.08 GiB 2019-10-24 9 time(s)
TFH
  • Chile
 X420HM20a_00_OPEN_SCA_OP_0319.kdz Android 9 Pie 2.36 GiB 2020-11-12 1 time(s)
TFR
  • Ecuador
 X420HM10e_00_OPEN_SCA_OP_0702.kdz Android 8.x Oreo Mirror Release 1 2.05 GiB 2019-08-01 18 time(s)
TFR
  • Ecuador
 X420HM10f_00_OPEN_SCA_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.08 GiB 2019-09-26 6 time(s)
TFS
  • Argentina
 X420HM10e_00_OPEN_SCA_OP_0702.kdz Android 8.x Oreo Mirror Release 1 2.05 GiB 2019-08-22 18 time(s)
TFS
  • Argentina
 X420HM20a_00_OPEN_SCA_OP_1128.kdz Android 9 Pie 2.33 GiB 2020-03-26 8 time(s)
TGO
  • Unknown
 X420HM10b_00_TGO_COM_OP_0508.kdz Android 8.x Oreo Mirror Release 1 2.04 GiB 2019-07-25 28 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 28 time(s)
TPO
  • Mexico
 X420HM10a_02_0507.kdz Android 8.x Oreo Mirror Release 1 2.26 GiB 2019-07-25 36 time(s)
TPO
  • Mexico
 X420HM10a_03_0705.kdz Android 8.x Oreo Mirror Release 1 2.28 GiB 2019-08-01 7 time(s)
TPO
  • Mexico
 X420HM10a_04_0827.kdz Android 8.x Oreo Mirror Release 1 2.28 GiB 2019-09-12 6 time(s)
TPO
  • Mexico
 X420HM20a_00_1010.kdz Android 9 Pie 2.66 GiB 2019-11-14 17 time(s)
TPO
  • Mexico
 X420HM20a_01_1111.kdz Android 9 Pie 2.66 GiB 2019-12-05 19 time(s)
TPO
  • Mexico
 X420HM20a_02_0106.kdz Android 9 Pie 2.67 GiB 2020-02-13 12 time(s)
TPO
  • Mexico
 X420HM20a_03_0310.kdz Android 9 Pie 2.67 GiB 2020-04-02 5 time(s)
TPO
  • Mexico
 X420HM20a_04_0505.kdz Android 9 Pie 2.67 GiB 2020-06-05 3 time(s)
TPO
  • Mexico
 X420HM20a_05_0708.kdz Android 9 Pie 2.67 GiB 2020-08-20 7 time(s)
TPO
  • Mexico
 X420HM20a_06_0831.kdz Android 9 Pie 2.67 GiB 2020-10-08 5 time(s)
TPO
  • Mexico
 X420HM20a_07_1030.kdz Android 9 Pie 2.67 GiB 2020-11-26 0 time(s)
URY
  • Uruguay
 X420HM10f_00_OPEN_SCA_OP_0806.kdz Android 8.x Oreo Mirror Release 1 2.08 GiB 2019-09-12 14 time(s)
URY
  • Uruguay
 X420HM20a_00_OPEN_SCA_OP_1203.kdz Android 9 Pie 2.35 GiB 2020-01-09 21 time(s)

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