How to Hard/Factory Reset | Bypass screen lock on Samsung GT-I9100G?

Overview

Samsung GT-I9100G runs on the processor 1.2Ghz, Cortex -A9, Mali-400MP4 with Dual-core . It has internal memory 16/32GB and RAM (RAM) 1GB and supports microSD, up to 32 GB (dedicated slot). This model also has 3.5mm jack, supports Bluetooth version 3.1, GAP, SSP, SDAP, HSP, HFP, A2DP, SAP, OPP, PBAT, MAP, AVRCP, HID and GPS technology Yes, with A-GPS . The USB port supports microUSB 2.0 (MHL TV-out), USB Host and Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot. Its technical characteristics are also the screen size 4.3 inches (~63.5% screen-to-body ratio), the resolution 480 x 800 pixels (~217 ppi pixel density) and the type Super AMOLED Plus capacitive touchscreen.

SpecificationSamsung GT-I9100GGalaxy S2

Model and Features
Model	Samsung GT-I9100G
Series	Galaxy S2
Release Date	April, 2011
Body Depth	8.5 mm (0.33 in)
Body Dimensions	125.3 x 66.1 mm (4.93 x 2.60 x 0.33 in)
Body Weight	116 g (4.09 oz)
OS	Android Jelly Bean 4.1.2
Hardware
CPU	1.2Ghz, Cortex -A9, Mali-400MP4
CPU Cores	Dual-core
RAM	1GB
Internal Memory	16/32GB
External Memory	microSD, up to 32 GB (dedicated slot)
Network and Data
SIM	1 Mini-SIM
2G bands	GSM 850/900/1800/1900MHz
3G bands	HSDPA 850/900/1900/2100MHz
4G bands	-
5G bands	-
Technology Data	GPRS/EDGE
Display
Screen size	4.3 inches (~63.5% screen-to-body ratio)
Type	Super AMOLED Plus capacitive touchscreen
Resolution	480 x 800 pixels (~217 ppi pixel density)
Colors	16M colors
Battery and Keyboard
Battery	Removable Li-Ion 1650 mAh
Physical keyboard	-
Interfaces
Audio output	3.5mm jack
Bluetooth	version 3.1, GAP, SSP, SDAP, HSP, HFP, A2DP, SAP, OPP, PBAT, MAP, AVRCP, HID
DLNA	Yes
GPS	Yes, with A-GPS
Infrared port	-
NFC	Yes
USB	microUSB 2.0 (MHL TV-out), USB Host
WLAN	Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot