How to Hard/Factory Reset | Bypass screen lock on LG D415RDGO?

Overview

Specification LG D415RDGO Optimus L90

LG D415RDGO runs on the processor 1.2 GHz Cortex-A7 Qualcomm MSM8226 Snapdragon 400 with Quad-core . It has internal memory 8GB and RAM (RAM) 1GB and supports microSD, up to 32 GB (dedicated slot). This model also has 3.5mm jack, supports Bluetooth version 4.0, A2DP, LE, aptX and GPS technology Yes, with A-GPS, GLONASS . The USB port supports microUSB 2.0 and Wi-Fi802.11b/g/n, Wi-Fi Direct, hotspot. Its technical characteristics are also the screen size 4.7 in (~70.1% screen-to-body ratio), the resolution 540 x 960 pixels (~234 ppi pixel density) and the type IPS LCD.

Model and Features
Model	LG D415RDGO
Series	Optimus L90
Release Date	March, 2014
Body Depth	9.7 mm (0.38 in)
Body Dimensions	131.6 x 66 mm (5.18 x 2.60 in)
Body Weight	125 g (4.41 oz)
OS	Android 4.4.2 (KitKat)
Hardware
CPU	1.2 GHz Cortex-A7 Qualcomm MSM8226 Snapdragon 400
CPU Cores	Quad-core
RAM	1GB
Internal Memory	8GB
External Memory	microSD, up to 32 GB (dedicated slot)
Network and Data
SIM	1 Mini-SIM
2G bands	GSM 850/900/1800/1900 MHz
3G bands	HSDPA 900/1900/2100 MHz
4G bands	-0
Technology Data	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
Display
Screen size	4.7 in (~70.1% screen-to-body ratio)
Type	IPS LCD
Resolution	540 x 960 pixels (~234 ppi pixel density)
Colors	16M colors
Battery and Keyboard
Battery	Removable Li-Ion 2540 mAh
Physical keyboard
Interfaces
Audio output	3.5mm jack
Bluetooth	version 4.0, A2DP, LE, aptX
DLNA	Yes
GPS	Yes, with A-GPS, GLONASS
Infrared port	Yes
NFC	No
USB	microUSB 2.0
WLAN	Wi-Fi802.11b/g/n, Wi-Fi Direct, hotspot