Firmware LG K40 LMX420MM for your region

Overview LG X420MM(LMX420MM) aka LG K40

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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	239 time(s)
MTD United States	X420MM10k_00_MPCS_US_OP_0923.kdz	Android 9 Pie	2.77 GiB	2019-10-10	52 time(s)
MTD United States	X420MM10n_00_MPCS_US_OP_1129.kdz	Android 9 Pie	2.77 GiB	2019-12-26	20 time(s)
MTD United States	X420MM10o_00_MPCS_US_OP_0205.kdz	Android 9 Pie	2.77 GiB	2020-02-27	39 time(s)
MTD United States	X420MM10p_00_MPCS_US_OP_0408.kdz	Android 9 Pie	2.77 GiB	2020-05-21	25 time(s)
MTD United States	X420MM10q_00_MPCS_US_OP_0619.kdz	Android 9 Pie	2.81 GiB	2020-07-16	14 time(s)
MTD United States	X420MM10r_00_MPCS_US_OP_0805.kdz	Android 9 Pie	2.81 GiB	2020-09-03	12 time(s)
MTD United States	X420MM10s_01_MPCS_US_OP_1031.kdz	Android 9 Pie	2.81 GiB	2020-11-19	8 time(s)
MTD United States	X420MM10t_00_MPCS_US_OP_1120.kdz	Android 9 Pie	2.81 GiB	2020-12-24	8 time(s)
MTK United States	X420MM10g_00_MPCS_US_OP_0808.kdz	Android 9 Pie	2.72 GiB	2019-08-29	38 time(s)
MTK United States	X420MM10k_00_MPCS_US_OP_0923.kdz	Android 9 Pie	2.77 GiB	2019-10-10	34 time(s)
MTK United States	X420MM10n_00_MPCS_US_OP_1129.kdz	Android 9 Pie	2.77 GiB	2019-12-26	38 time(s)
MTK United States	X420MM10o_00_MPCS_US_OP_0205.kdz	Android 9 Pie	2.77 GiB	2020-02-27	16 time(s)
MTK United States	X420MM10p_00_MPCS_US_OP_0408.kdz	Android 9 Pie	2.77 GiB	2020-05-21	7 time(s)
MTK United States	X420MM10q_00_MPCS_US_OP_0619.kdz	Android 9 Pie	2.81 GiB	2020-07-16	5 time(s)
MTK United States	X420MM10r_00_MPCS_US_OP_0805.kdz	Android 9 Pie	2.81 GiB	2020-09-03	7 time(s)
MTK United States	X420MM10s_01_MPCS_US_OP_1031.kdz	Android 9 Pie	2.81 GiB	2020-11-19	1 time(s)
MTK United States	X420MM10t_00_MPCS_US_OP_1120.kdz	Android 9 Pie	2.81 GiB	2020-12-24	4 time(s)
MTP United States	X420MM10g_00_MPCS_US_OP_0808.kdz	Android 9 Pie	2.72 GiB	2019-08-29	59 time(s)
MTP United States	X420MM10k_00_MPCS_US_OP_0923.kdz	Android 9 Pie	2.77 GiB	2019-10-09	87 time(s)
MTP United States	X420MM10n_00_MPCS_US_OP_1129.kdz	Android 9 Pie	2.77 GiB	2019-12-25	18 time(s)
MTP United States	X420MM10o_00_MPCS_US_OP_0205.kdz	Android 9 Pie	2.77 GiB	2020-02-27	30 time(s)
MTP United States	X420MM10p_00_MPCS_US_OP_0408.kdz	Android 9 Pie	2.77 GiB	2020-05-21	20 time(s)
MTP United States	X420MM10q_00_MPCS_US_OP_0619.kdz	Android 9 Pie	2.81 GiB	2020-07-16	7 time(s)
MTP United States	X420MM10r_00_MPCS_US_OP_0805.kdz	Android 9 Pie	2.81 GiB	2020-08-29	24 time(s)
MTP United States	X420MM10s_01_MPCS_US_OP_1031.kdz	Android 9 Pie	2.81 GiB	2020-11-19	11 time(s)
MTP United States	X420MM10t_00_MPCS_US_OP_1120.kdz	Android 9 Pie	2.81 GiB	2020-12-23	9 time(s)