How to Hard/Factory Reset | Bypass screen lock on LG LMX420EM?

All tutorials for LG LMX420EM

How to Hard Reset on LG LMX420EM?

Type 1: Type 2: Type 3: Press the Power button to turn off the phone. Hold down the Power key and the Volume down button for five seconds. Release the Power key but keep holding down the...

How to Factory Reset through menu on LG LMX420EM?

Go to the Main Menu. Select "Settings". In Settings touch "General". Next, select "Backup & Reset". Then, tap "Reset Phone". Tap "Erase...

How to change language on LG LMX420EM?

The device must be on. Go to "Settings" and choose "General". Go for "Language & input". Finally, select "Language". That's all! The...

How to Flash Stock Firmware on LG LMX420EM?

To flash your phone, the following applications should be installed on your PC: LG UP 1.14 LG UP 1.16 UPPERCUT LG Drivers Open LG Up latest version. Turn off your phone and press and hold the Volume up key. Connect...

How to take screenshot on LG LMX420EM?

The device must be turned on. Choose what you want to capture. Press and hold the Power button and the Volume Down key. Excellent! The screenshot has been saved.

Top 5 secret codes for LG LMX420EM

The first is: *#546368#*885# It is a Hidden Menu , in this menu you can test a lot of options on your device . The second is: *#*#4636#*#* In this menu you can find all information about your phone...

Enable Developer mode & USB debugging on LG LMX420EM

Turn on your device. In Settings choose "General". Now select "About phone". Now tap "Software info". Tap "Build number" seven times and return to...

Overview

LG LMX420EM runs on the processor 1.8GHz Snapdragon SDM450 with Octa-core . It has internal memory 32GB and RAM (RAM) 2GB and supports microSD, up to 2 TB. This model also has 3.5mm jack, supports Bluetooth version 5.0, A2DP, LE, aptX HD and GPS technology Yes, with A-GPS, GLONASS . The USB port supports microUSB 2.0 and Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot. Its technical characteristics are also the screen size 5.7 inches (~75.4% screen-to-body ratio), the resolution 720 x 1440 pixels (~284 ppi density) and the type IPS LCD capacitive touchscreen.

SpecificationLG LMX420EMK40

Model and Features
Model	LG LMX420EM
Series	K40
Release Date	March, 2019
Body Depth	8.3 mm (0.33 in)
Body Dimensions	153.2 x 71.9 mm (6.03 x 2.83 in)
Body Weight	144 g (5.08 oz)
OS	Android 9 Pie
Hardware
CPU	1.8GHz Snapdragon SDM450
CPU Cores	Octa-core
RAM	2GB
Internal Memory	32GB
External Memory	microSD, up to 2 TB
Network and Data
SIM	1 Nano-Sim
2G bands	GSM 850/900/1800/1900 MHz
3G bands	HSDPA 850/900/1900/2100 MHz
4G bands	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 bands	-
Technology Data	GSM/HSPA/LTE
Display
Screen size	5.7 inches (~75.4% screen-to-body ratio)
Type	IPS LCD capacitive touchscreen
Resolution	720 x 1440 pixels (~284 ppi density)
Colors	16M colors
Battery and Keyboard
Battery	Non-removable Li-Ion 3000 mAh
Physical keyboard	No
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
WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot