How to Hard/Factory Reset | Bypass screen lock on LG VS890DU?

Overview

LG VS890DU runs on the processor 1200 MHz Krait 200 with Dual-core . It has internal memory 8GB and RAM (RAM) 1GB and supports microSD, microSDHC, TransFlash, microSDXC up to 32 GB. This model also has 3.5mm jack, supports Bluetooth version 4.0, A2DP and GPS technology Yes, with A-GPS, GLONASS, Geotagging, QuickGPS . The USB port supports microUSB 2.0 , USB charging and Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, Wi-Fi hotspot. Its technical characteristics are also the screen size 4.0 in (~57% screen-to-body ratio), the resolution 480 x 800 pixels (~233 ppi pixel density) and the type TN-TFT LCD.

SpecificationLG VS890DUEnact

Model and Features
Model	LG VS890DU
Series	Enact
Release Date	August, 2013
Body Depth	13.7 mm (0.54 in)
Body Dimensions	64.9 x 122.5 mm (2.56 x 4.82 in)
Body Weight	164 g (5.78 oz)
OS	Android 4.1.2 (Jelly Bean)
Hardware
CPU	1200 MHz Krait 200
CPU Cores	Dual-core
RAM	1GB
Internal Memory	8GB
External Memory	microSD, microSDHC, TransFlash, microSDXC up to 32 GB
Network and Data
SIM	1 Micro-SIM
2G bands	GSM 900/1800 MHz
3G bands	UMTS 1800/2100 MHz
4G bands	LTE 700 (B13)
5G bands	-
Technology Data	GPRS, EDGE, UMTS, HSUPA, HSDPA, HSPA+, LTE
Display
Screen size	4.0 in (~57% screen-to-body ratio)
Type	TN-TFT LCD
Resolution	480 x 800 pixels (~233 ppi pixel density)
Colors	16M colors
Battery and Keyboard
Battery	Removable Li-Ion 2460 mAh
Physical keyboard	Yes
Interfaces
Audio output	3.5mm jack
Bluetooth	version 4.0, A2DP
DLNA	Yes
GPS	Yes, with A-GPS, GLONASS, Geotagging, QuickGPS
Infrared port	No
NFC	No
USB	microUSB 2.0 , USB charging
WLAN	Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, Wi-Fi hotspot