Overview LG X420HM(LMX420HM) aka LG K40
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
|
X420HM10f_00_OPEN_SCA_OP_0806.kdz | Android 8.x Oreo Mirror Release 1 | 2.08 GiB | 2019-09-12 | 164 time(s) |
|
ARG
|
X420HM20a_00_OPEN_SCA_OP_1203.kdz | Android 9 Pie | 2.35 GiB | 2020-03-19 | 13 time(s) |
|
CAD
|
X420HM10b_00_CLR_COM_OP_0508.kdz | Android 8.x Oreo Mirror Release 1 | 2.35 GiB | 2019-07-25 | 20 time(s) |
|
CAD
|
X420HM10e_00_CLR_COM_OP_0806.kdz | Android 8.x Oreo Mirror Release 1 | 2.41 GiB | 2019-09-26 | 6 time(s) |
|
CAD
|
X420HM10f_00_CLR_COM_OP_1023.kdz | Android 8.x Oreo Mirror Release 1 | 2.42 GiB | 2019-12-05 | 5 time(s) |
|
CAD
|
X420HM20a_01_CLR_COM_OP_0127.kdz | Android 9 Pie | 2.72 GiB | 2020-04-05 | 0 time(s) |
|
CAO
|
X420HM10b_00_CLR_COM_OP_0508.kdz | Android 8.x Oreo Mirror Release 1 | 2.35 GiB | 2019-07-25 | 12 time(s) |
|
CAO
|
X420HM10e_00_CLR_COM_OP_0806.kdz | Android 8.x Oreo Mirror Release 1 | 2.41 GiB | 2019-10-10 | 6 time(s) |
|
CAO
|
X420HM20a_00_CLR_COM_OP_1125.kdz | Android 9 Pie | 2.72 GiB | 2020-02-13 | 17 time(s) |
|
CHL
|
X420HM10c_00_OPEN_SCA_OP_0425.kdz | Android 8.x Oreo Mirror Release 1 | 2.04 GiB | 2019-07-25 | 101 time(s) |
|
CHL
|
X420HM10d_00_OPEN_SCA_OP_0617.kdz | Android 8.x Oreo Mirror Release 1 | 2.05 GiB | 2019-08-29 | 16 time(s) |
|
CHL
|
X420HM10f_00_OPEN_SCA_OP_0806.kdz | Android 8.x Oreo Mirror Release 1 | 2.08 GiB | 2019-10-17 | 23 time(s) |
|
CLA
|
X420HM10c_00_CLR_COM_OP_0604.kdz | Android 8.x Oreo Mirror Release 1 | 2.36 GiB | 2019-08-08 | 14 time(s) |
|
CLA
|
X420HM10e_00_CLR_COM_OP_0806.kdz | Android 8.x Oreo Mirror Release 1 | 2.41 GiB | 2019-09-19 | 8 time(s) |
|
CLP
|
X420HM10b_00_CLR_COM_OP_0508.kdz | Android 8.x Oreo Mirror Release 1 | 2.35 GiB | 2019-07-25 | 70 time(s) |
|
CLP
|
X420HM10c_00_0711.kdz | Android 8.x Oreo Mirror Release 1 | 2.35 GiB | 2019-08-22 | 17 time(s) |
|
CLP
|
X420HM10e_00_CLR_COM_OP_0806.kdz | Android 8.x Oreo Mirror Release 1 | 2.41 GiB | 2019-09-19 | 27 time(s) |
|
CLP
|
X420HM10f_00_CLR_COM_OP_0906.kdz | Android 8.x Oreo Mirror Release 1 | 2.41 GiB | 2019-10-24 | 7 time(s) |
|
CLP
|
X420HM10g_00_CLR_COM_OP_1105.kdz | Android 8.x Oreo Mirror Release 1 | 2.41 GiB | 2019-12-12 | 13 time(s) |
|
CLP
|
X420HM20a_00_CLR_COM_OP_1128.kdz | Android 9 Pie | 2.72 GiB | 2020-01-09 | 63 time(s) |
|
CLP
|
X420HM20b_00_CLR_COM_OP_0120.kdz | Android 9 Pie | 2.72 GiB | 2020-03-11 | 2 time(s) |
|
CLP
|
X420HM20c_00_CLR_COM_OP_0306.kdz | Android 9 Pie | 2.72 GiB | 2020-04-09 | 1 time(s) |
|
CMC
|
X420HM10b_00_CLR_COM_OP_0508.kdz | Android 8.x Oreo Mirror Release 1 | 2.35 GiB | 2019-07-25 | 17 time(s) |
|
CMC
|
X420HM10c_00_0711.kdz | Android 8.x Oreo Mirror Release 1 | 2.35 GiB | 2019-08-15 | 10 time(s) |
|
CMC
|
X420HM10e_01_CLR_COM_OP_0903.kdz | Android 8.x Oreo Mirror Release 1 | 2.41 GiB | 2019-10-10 | 20 time(s) |
|
CMC
|
X420HM10f_00_CLR_COM_OP_1107.kdz | Android 8.x Oreo Mirror Release 1 | 2.41 GiB | 2019-11-28 | 14 time(s) |
|
CMC
|
X420HM20a_00_CLR_COM_OP_1125.kdz | Android 9 Pie | 2.72 GiB | 2020-01-23 | 14 time(s) |
|
CMC
|
X420HM20b_00_CLR_COM_OP_0120.kdz | Android 9 Pie | 2.72 GiB | 2020-02-13 | 12 time(s) |
|
CMC
|
X420HM20c_00_CLR_COM_OP_0306.kdz | Android 9 Pie | 2.72 GiB | 2020-04-09 | 1 time(s) |
|
COL
|
X420HM10e_00_OPEN_SCA_OP_0702.kdz | Android 8.x Oreo Mirror Release 1 | 2.05 GiB | 2019-07-25 | 52 time(s) |
|
COL
|
X420HM10f_00_OPEN_SCA_OP_0806.kdz | Android 8.x Oreo Mirror Release 1 | 2.08 GiB | 2019-10-10 | 19 time(s) |
|
COL
|
X420HM20a_00_OPEN_SCA_OP_1125.kdz | Android 9 Pie | 2.33 GiB | 2019-12-21 | 32 time(s) |
|
CRI
|
X420HM10a_02_ICE_CR_OP_0508.kdz | Android 8.x Oreo Mirror Release 1 | 2.11 GiB | 2019-07-25 | 38 time(s) |
|
CRI
|
X420HM10a_03_ICE_CR_OP_0806.kdz | Android 8.x Oreo Mirror Release 1 | 2.15 GiB | 2019-10-03 | 6 time(s) |
|
CRI
|
X420HM20a_00_ICE_CR_OP_1128.kdz | Android 9 Pie | 2.39 GiB | 2020-01-30 | 4 time(s) |
|
CTI
|
X420HM10d_00_0725.kdz | Android 8.x Oreo Mirror Release 1 | 2.34 GiB | 2019-08-22 | 3 time(s) |
|
CTI
|
X420HM10e_00_CLR_COM_OP_0806.kdz | Android 8.x Oreo Mirror Release 1 | 2.41 GiB | 2019-09-05 | 4 time(s) |
|
CTI
|
X420HM20a_00_CLR_COM_OP_1125.kdz | Android 9 Pie | 2.72 GiB | 2020-01-30 | 15 time(s) |
|
CTI
|
X420HM20c_00_CLR_COM_OP_0306.kdz | Android 9 Pie | 2.72 GiB | 2020-04-09 | 2 time(s) |
|
EPT
|
X420HM10b_00_CLR_COM_OP_0508.kdz | Android 8.x Oreo Mirror Release 1 | 2.35 GiB | 2019-07-25 | 13 time(s) |
|
EPT
|
X420HM10e_00_CLR_COM_OP_0806.kdz | Android 8.x Oreo Mirror Release 1 | 2.41 GiB | 2019-09-12 | 4 time(s) |
|
EPT
|
X420HM20a_00_CLR_COM_OP_1125.kdz | Android 9 Pie | 2.72 GiB | 2020-01-09 | 7 time(s) |
|
PRN
|
X420HM10d_00_OPEN_SCA_OP_0604.kdz | Android 8.x Oreo Mirror Release 1 | 2.05 GiB | 2019-09-12 | 6 time(s) |
|
PRN
|
X420HM10f_00_OPEN_SCA_OP_0806.kdz | Android 8.x Oreo Mirror Release 1 | 2.08 GiB | 2019-10-31 | 3 time(s) |
|
PRN
|
X420HM20a_00_OPEN_SCA_OP_1128.kdz | Android 9 Pie | 2.33 GiB | 2020-03-26 | 1 time(s) |
|
TCL
|
X420HM10a_02_0507.kdz | Android 8.x Oreo Mirror Release 1 | 2.26 GiB | 2019-07-25 | 75 time(s) |
|
TCL
|
X420HM10a_03_0705.kdz | Android 8.x Oreo Mirror Release 1 | 2.28 GiB | 2019-08-01 | 11 time(s) |
|
TCL
|
X420HM10a_04_0827.kdz | Android 8.x Oreo Mirror Release 1 | 2.28 GiB | 2019-09-12 | 13 time(s) |
|
TCL
|
X420HM20a_00_1010.kdz | Android 9 Pie | 2.66 GiB | 2019-11-14 | 46 time(s) |
|
TCL
|
X420HM20a_01_1111.kdz | Android 9 Pie | 2.66 GiB | 2019-12-05 | 33 time(s) |
|
TCL
|
X420HM20a_02_0106.kdz | Android 9 Pie | 2.67 GiB | 2020-02-13 | 28 time(s) |
|
TCL
|
X420HM20a_03_0310.kdz | Android 9 Pie | 2.67 GiB | 2020-04-01 | 0 time(s) |
|
TFH
|
X420HM10d_00_OPEN_SCA_OP_0604.kdz | Android 8.x Oreo Mirror Release 1 | 2.05 GiB | 2019-08-15 | 5 time(s) |
|
TFH
|
X420HM10f_00_OPEN_SCA_OP_0806.kdz | Android 8.x Oreo Mirror Release 1 | 2.08 GiB | 2019-10-24 | 5 time(s) |
|
TFR
|
X420HM10e_00_OPEN_SCA_OP_0702.kdz | Android 8.x Oreo Mirror Release 1 | 2.05 GiB | 2019-08-01 | 11 time(s) |
|
TFR
|
X420HM10f_00_OPEN_SCA_OP_0806.kdz | Android 8.x Oreo Mirror Release 1 | 2.08 GiB | 2019-09-26 | 6 time(s) |
|
TFS
|
X420HM10e_00_OPEN_SCA_OP_0702.kdz | Android 8.x Oreo Mirror Release 1 | 2.05 GiB | 2019-08-22 | 14 time(s) |
|
TFS
|
X420HM20a_00_OPEN_SCA_OP_1128.kdz | Android 9 Pie | 2.33 GiB | 2020-03-26 | 4 time(s) |
|
TGO
|
X420HM10b_00_TGO_COM_OP_0508.kdz | Android 8.x Oreo Mirror Release 1 | 2.04 GiB | 2019-07-25 | 18 time(s) |
|
TGO
|
X420HM10c_00_TGO_COM_OP_0806.kdz | Android 8.x Oreo Mirror Release 1 | 2.08 GiB | 2019-08-29 | 7 time(s) |
|
TGO
|
X420HM20a_00_TGO_COM_OP_1128.kdz | Android 9 Pie | 2.35 GiB | 2020-01-30 | 11 time(s) |
|
TPO
|
X420HM10a_02_0507.kdz | Android 8.x Oreo Mirror Release 1 | 2.26 GiB | 2019-07-25 | 14 time(s) |
|
TPO
|
X420HM10a_03_0705.kdz | Android 8.x Oreo Mirror Release 1 | 2.28 GiB | 2019-08-01 | 6 time(s) |
|
TPO
|
X420HM10a_04_0827.kdz | Android 8.x Oreo Mirror Release 1 | 2.28 GiB | 2019-09-12 | 5 time(s) |
|
TPO
|
X420HM20a_00_1010.kdz | Android 9 Pie | 2.66 GiB | 2019-11-14 | 12 time(s) |
|
TPO
|
X420HM20a_01_1111.kdz | Android 9 Pie | 2.66 GiB | 2019-12-05 | 11 time(s) |
|
TPO
|
X420HM20a_02_0106.kdz | Android 9 Pie | 2.67 GiB | 2020-02-13 | 9 time(s) |
|
TPO
|
X420HM20a_03_0310.kdz | Android 9 Pie | 2.67 GiB | 2020-04-02 | 0 time(s) |
|
URY
|
X420HM10f_00_OPEN_SCA_OP_0806.kdz | Android 8.x Oreo Mirror Release 1 | 2.08 GiB | 2019-09-12 | 8 time(s) |
|
URY
|
X420HM20a_00_OPEN_SCA_OP_1203.kdz | Android 9 Pie | 2.35 GiB | 2020-01-09 | 12 time(s) |
Manual LG X420HM(LMX420HM) aka LG K40
How to Factory Reset through menu on LG X420HM(LMX420HM) aka LG K40 ?
- Open the Main Menu.
- Go to "Settings".
- In Settings choose "General".
- In General select "Backup & Reset".
- Next, clik on "Reset Phone".
- Confirm by clicking "Erase Everything".
- Finally, press "OK".
- The hard reset is completed now.
- As a result of these actions, the memory of your phone can not be restored.
How to Hard Reset on LG X420HM(LMX420HM) aka LG K40 ?
Type 1:
Type 2:
Type 3:
- Turn off the phone.
- Next press and hold the Power key and Volume down key for ten seconds.
- Release the power key while holding down the volume key.
- Next press the power button again.
- After these actions, the Factory Reset menu will appear on the screen.
Type 1:
Type 2:
- Use the Power key and Volume key to confirm the process.
- The hard reset is completed now.
- As a result of these actions, the memory of your phone cannot be restored.
Video LG X420HM(LMX420HM) aka LG K40
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