How to Hard/Factory Reset | Bypass screen lock on LG US670?

Overview

LG US670 runs on the processor 600 MHz ARM1136EJ-S with Single-core . It has internal memory 512MB and RAM (RAM) 512MB and supports microSD, microSDHC, TransFlash up to 32 GB. This model also has 3.5mm jack, supports Bluetooth version 2.1, A2DP, EDR and GPS technology Yes, with A-GPS, Geotagging, QuickGPS . The USB port supports microUSB 2.0 , USB charging and Wi-Fi802.11b/g, Wi-Fi Tethering, Wi-Fi hotspot. Its technical characteristics are also the screen size 3.2 in (~45% screen-to-body ratio), the resolution 320 x 480 pixels (~180 ppi pixel density) and the type TN-TFT LCD.

SpecificationLG US670Optimus U

Model and Features
Model	LG US670
Series	Optimus U
Release Date	December, 2010
Body Depth	13.2 mm (0.52 in)
Body Dimensions	58.9 x 113.5 mm (2.32 x 4.47 in)
Body Weight	130 g (4.58 oz)
OS	Android 2.2.2 (Froyo)
Hardware
CPU	600 MHz ARM1136EJ-S
CPU Cores	Single-core
RAM	512MB
Internal Memory	512MB
External Memory	microSD, microSDHC, TransFlash up to 32 GB
Network and Data
SIM	1 Mini-SIM
2G bands	CDMA 800/1900 MHz
3G bands	CDMA 800/1900 MHz
4G bands	-
5G bands	-
Technology Data	cdmaOne, CDMA2000 1x, CDMA2000 1xEv-DO, CDMA2000 1xEv-DO Rev A
Display
Screen size	3.2 in (~45% screen-to-body ratio)
Type	TN-TFT LCD
Resolution	320 x 480 pixels (~180 ppi pixel density)
Colors	16M colors
Battery and Keyboard
Battery	Removable Li-Ion 1500 mAh
Physical keyboard	-
Interfaces
Audio output	3.5mm jack
Bluetooth	version 2.1, A2DP, EDR
DLNA	No
GPS	Yes, with A-GPS, Geotagging, QuickGPS
Infrared port	No
NFC	No
USB	microUSB 2.0 , USB charging
WLAN	Wi-Fi802.11b/g, Wi-Fi Tethering, Wi-Fi hotspot