Overview LG X420MM(LMX420MM) aka LG K40

Specification LG X420MM(LMX420MM) aka LG K40

Model and Features
Model LG X420MM
Series LG K40
Release Date March, 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 9 Pie
Hardware
CPU 1.8GHz Snapdragon SDM450
CPU Cores Octa-core
RAM Memory 2GB
Internal Storage 32GB
External Storage microSD, up to 2 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 X420MM(LMX420MM) aka LG K40

LG Phone firmwares regions descriptions
Region File name OS Size Date Downloads
MTD
  • United States
X420MM10g_00_MPCS_US_OP_0808.kdz Android 9 Pie 2.72 GiB 2019-08-29 80 time(s)
MTD
  • United States
X420MM10k_00_MPCS_US_OP_0923.kdz Android 9 Pie 2.77 GiB 2019-10-10 37 time(s)
MTD
  • United States
X420MM10n_00_MPCS_US_OP_1129.kdz Android 9 Pie 2.77 GiB 2019-12-26 11 time(s)
MTD
  • United States
X420MM10o_00_MPCS_US_OP_0205.kdz Android 9 Pie 2.77 GiB 2020-02-27 16 time(s)
MTD
  • United States
X420MM10p_00_MPCS_US_OP_0408.kdz Android 9 Pie 2.77 GiB 2020-05-21 4 time(s)
MTK
  • United States
X420MM10g_00_MPCS_US_OP_0808.kdz Android 9 Pie 2.72 GiB 2019-08-29 26 time(s)
MTK
  • United States
X420MM10k_00_MPCS_US_OP_0923.kdz Android 9 Pie 2.77 GiB 2019-10-10 13 time(s)
MTK
  • United States
X420MM10n_00_MPCS_US_OP_1129.kdz Android 9 Pie 2.77 GiB 2019-12-26 22 time(s)
MTK
  • United States
X420MM10o_00_MPCS_US_OP_0205.kdz Android 9 Pie 2.77 GiB 2020-02-27 9 time(s)
MTK
  • United States
X420MM10p_00_MPCS_US_OP_0408.kdz Android 9 Pie 2.77 GiB 2020-05-21 1 time(s)
MTP
  • United States
X420MM10g_00_MPCS_US_OP_0808.kdz Android 9 Pie 2.72 GiB 2019-08-29 25 time(s)
MTP
  • United States
X420MM10k_00_MPCS_US_OP_0923.kdz Android 9 Pie 2.77 GiB 2019-10-09 54 time(s)
MTP
  • United States
X420MM10n_00_MPCS_US_OP_1129.kdz Android 9 Pie 2.77 GiB 2019-12-25 13 time(s)
MTP
  • United States
X420MM10o_00_MPCS_US_OP_0205.kdz Android 9 Pie 2.77 GiB 2020-02-27 21 time(s)
MTP
  • United States
X420MM10p_00_MPCS_US_OP_0408.kdz Android 9 Pie 2.77 GiB 2020-05-21 1 time(s)

Articles LG X420MM(LMX420MM) aka LG K40

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