How to Hard/Factory Reset | Bypass screen lock on LG VS870?

Overview

LG VS870 runs on the processor 1.2 GHz Krait Qualcomm MSM8960 Snapdragon S4 Plus with Dual-core . It has internal memory 8GB and RAM (RAM) 1GB and supports microSD, microSDHC, microSDXC up to 64 GB. This model also has 3.5mm jack, supports Bluetooth version 4.0, A2DP, EDR and GPS technology Yes, with A-GPS . The USB port supports microUSB 2.0 and Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot. Its technical characteristics are also the screen size 4.3 in (~66.3% screen-to-body ratio), the resolution 540 x 960 pixels (~256 ppi pixel density) and the type AH IPS LCD.

SpecificationLG VS870Lucid 2

Model and Features
Model	LG VS870
Series	Lucid 2
Release Date	April, 2013
Body Depth	9.8 mm (0.39 in)
Body Dimensions	122.5 x 62.8 mm (4.82 x 2.47 in)
Body Weight	129 g (4.55 oz)
OS	Android 4.1-4.3 Jelly Bean
Hardware
CPU	1.2 GHz Krait Qualcomm MSM8960 Snapdragon S4 Plus
CPU Cores	Dual-core
RAM	1GB
Internal Memory	8GB
External Memory	microSD, microSDHC, microSDXC up to 64 GB
Network and Data
SIM	1 Micro-SIM
2G bands	CDMA 800/1900 MHz
3G bands	-
4G bands	LTE (FDD) Bands 13
5G bands	-
Technology Data	LTE
Display
Screen size	4.3 in (~66.3% screen-to-body ratio)
Type	AH IPS LCD
Resolution	540 x 960 pixels (~256 ppi pixel density)
Colors	16M colors
Battery and Keyboard
Battery	Removable Li-Ion 2460 mAh
Physical keyboard	-
Interfaces
Audio output	3.5mm jack
Bluetooth	version 4.0, A2DP, EDR
DLNA	Yes
GPS	Yes, with A-GPS
Infrared port	No
NFC	No
USB	microUSB 2.0
WLAN	Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot