How to Hard/Factory Reset | Bypass screen lock on LG AS870?

Overview

LG AS870 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, up to 32 GB (dedicated slot). This model also has 3.5mm jack, supports Bluetooth version 4.0, A2DP and GPS technology Yes, with A-GPS . The USB port supports microUSB 2.0 and Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot, DLNA. Its technical characteristics are also the screen size 4.3 in, 51.0 cm2 (~62.7% screen-to-body ratio), the resolution 540 x 960 pixels 16:9 ratio (~256 ppi density) and the type IPS LCD capacitive touchscreen.

SpecificationLG AS870Optimus F5

Model and Features
Model	LG AS870
Series	Optimus F5
Release Date	May, 2013
Body Depth	9.3 mm (0.37 in)
Body Dimensions	126 x 64.5 mm (4.96 x 2.54 in)
Body Weight	131 g (4.62 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, up to 32 GB (dedicated slot)
Network and Data
SIM	1 Mini-SIM
2G bands	-
3G bands	-
4G bands	LTE band 12(700) MHz
5G bands	-
Technology Data	-
Display
Screen size	4.3 in, 51.0 cm2 (~62.7% screen-to-body ratio)
Type	IPS LCD capacitive touchscreen
Resolution	540 x 960 pixels 16:9 ratio (~256 ppi density)
Colors	16M colors
Battery and Keyboard
Battery	Removable Li-Ion 2150 mAh
Physical keyboard	-
Interfaces
Audio output	3.5mm jack
Bluetooth	version 4.0, A2DP
DLNA	Yes
GPS	Yes, with A-GPS
Infrared port	No
NFC	Yes
USB	microUSB 2.0
WLAN	Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot, DLNA