How to Hard/Factory Reset | Bypass screen lock on Samsung SM-G3812B?

All tutorials for Samsung SM-G3812B

How to Hard Reset on Samsung SM-G3812B?

Make sure you turned off your phone. Hold down the Power key, the Volume Up key and the Home Button for a while. Wait until the Samsung or Android logo appears. Release all the buttons. Now, you'll see...

How to Factory Reset through menu on Samsung SM-G3812B?

The device must be on. Go to the "Settings". In Settings choose "Backup & Reset". After that, go for "Factory data reset". Press "Reset device" to finish...

How to Flash Stock Firmware on Samsung SM-G3812B?

First, download to your PC: Odin3 latest version, Firmware, Samsung Kies, and Samsung Drivers: Samsung Kies Odin3 latest version Samsung Drivers With the phone turned off press and hold the Volume down key, the...

Top 5 secret codes for Samsung SM-G3812B

The first is :*#7353*#. Use this code to open the Quick Test menu that allows you to test different options of your device. The second is :*#0*#. Use this code to enter the General Test Mode where you can test...

Enable Developer mode & USB debugging on Samsung SM-G3812B

Turn on your device and open "Settings". In Settings select "About Phone". Click on "Build number" seven times and go back to "Settings". Finally, select Developer...

How to take screenshot on Samsung SM-G3812B?

The device must be switched on. Choose what you want to capture. Then press the Power key and the Volume down button at one time. Great! Now you have a new screenshot.

Overview

Samsung SM-G3812B runs on the processor 1.2GHz 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, EDR, aptx and GPS technology Yes, with A-GPS, GLONASS . The USB port supports microUSB 2.0 and Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot. Its technical characteristics are also the screen size 4.52 inches, (~64.2% screen-to-body ratio), the resolution 540 x 960 pixels, (~244 ppi density) and the type TFT capacitive touchscreen.

SpecificationSamsung SM-G3812BGalaxy S3 Slim Duos

Model and Features
Model	Samsung SM-G3812B
Series	Galaxy S3 Slim Duos
Release Date	March, 2014
Body Depth	9.7 mm (0.38 in)
Body Dimensions	133 x 66 mm (5.24 x 2.60 in)
Body Weight	139 g (4.90 oz)
OS	Android Jelly Bean 4.2.2
Hardware
CPU	1.2GHz
CPU Cores	Quad-core
RAM	1GB
Internal Memory	8GB
External Memory	microSD, up to 32 GB (dedicated slot)
Network and Data
SIM	1 Micro-SIM
2G bands	GSM 850/900/1800/1900MHz
3G bands	HSDPA 850/2100MHz
4G bands	-
5G bands	-
Technology Data	GPRS/EDGE
Display
Screen size	4.52 inches, (~64.2% screen-to-body ratio)
Type	TFT capacitive touchscreen
Resolution	540 x 960 pixels, (~244 ppi density)
Colors	16M colors
Battery and Keyboard
Battery	Removable Li-Ion 2100 mAh
Physical keyboard	-
Interfaces
Audio output	3.5mm jack
Bluetooth	version 4.0, A2DP, EDR, aptx
DLNA	-
GPS	Yes, with A-GPS, GLONASS
Infrared port	-
NFC	-
USB	microUSB 2.0
WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot