How to Hard/Factory Reset | Bypass screen lock on LG AS840?

Overview

SpecificationLG AS840Viper LTE

LG AS840 runs on the processor 1.2 GHz Qualcomm MSM8660 with Quad-core . It has internal memory 4GB and RAM (RAM) 1GB and supports microSD, up to 32 GB (dedicated slot), 2 GB included. This model also has 3.5mm jack, supports Bluetooth version 3.0, EDR and GPS technology Yes, with A-GPS . The USB port supports microUSB 2.0 and Wi-Fi802.11b/g/n. Its technical characteristics are also the screen size 4.0 in, the resolution 480 x 800 pixels (~233 ppi pixel density) and the type TFT capacitive touchscreen.

Model and Features
Model	LG AS840
Series	Viper LTE
Release Date	2012
Body Depth	11.9 mm (0.47 in)
Body Dimensions	117 x 62 mm (4.61 x 2.44 in)
Body Weight	137 g (4.83 oz)
OS	Android 2.3 (Gingerbread)
Hardware
CPU	1.2 GHz Qualcomm MSM8660
CPU Cores	Quad-core
RAM	1GB
Internal Memory	4GB
External Memory	microSD, up to 32 GB (dedicated slot), 2 GB included
Network and Data
SIM	1 Micro-SIM
2G bands	-
3G bands	-
4G bands	-
5G bands	-
Technology Data	-
Display
Screen size	4.0 in
Type	TFT capacitive touchscreen
Resolution	480 x 800 pixels (~233 ppi pixel density)
Colors	256K colors
Battery and Keyboard
Battery	Removable Li-Ion 1540 mAh
Physical keyboard	-
Interfaces
Audio output	3.5mm jack
Bluetooth	version 3.0, EDR
DLNA	No
GPS	Yes, with A-GPS
Infrared port	No
NFC	No
USB	microUSB 2.0
WLAN	Wi-Fi802.11b/g/n