Samsung Galaxy S III/GT-I9300 Full rooting , cwm , ROM's etc GUIDE!

Guides, How-Tos & Tutorials

Entering Recovery & Download Modes 

How to get into Recovery Mode

1. Unplug the USB cable.
2. Shut down the phone.
3. Hold down the 'HOME' + 'VOLUME UP' buttons and press the 'POWER' button for about 5 seconds to enter Recovery Mode.

How to get into Download Mode (eg: for Odin)

1. Unplug the USB cable.
2. Shut down the phone.
3. Hold down the 'HOME' + 'VOLUME DOWN' buttons and press the 'POWER' button for about 2 seconds until a WARNING! Screen appears. Press the 'VOLUME UP' button to enter Download Mode.
4. To get out of Download Mode, simply press and hold the power button until the phone restarts.

Walkthrough Guides 

Stock Firmware - Features Hints and Tips
How to dump, package & CWM flash your current Modem
How to Odin Flash & Root
How to Download Free YouTube Videos and Movies to Galaxy SIII
How to return to Stock from Original CWM Nandroid Backup
How to Unroot the Galaxy SIII and return to Stock (for stock updates/warranty)

 
Video Guides 
Galaxy SIII Unboxing
How to Root Samsung Galaxy S III I9300
Unroot the Galaxy SIII (for stock updates/warranty)
How to SIM unlock your Galaxy SIII
How to Root & Install CWM Recovery & How to Unroot and Get back the Warranty
How to play games with your PS3 controller on your HDTV via MHL
Rooting guide
Guide and overview on the case & screen protector
How to un-root & flash a stock ROM
Information about Triangle Away & GT-I9300 Flash Counter
How to flash ClockworkMod Touch Recovery
Android 4.1 Jelly Bean Port
USB OTG Connector Overview
Samsung EB-H1G6LLUGSTD - Battery Charger
Using a USB JIG/JTAG
Performance in Low-light conditions
How to flash Omega ROM v5.2
How to flash Slim v4.1 Based on 4.0.4 ICS
How to flash WanamLite ROM v1.4
How to flash AOKP (Android Open Kang Project) - Samsung GT-I9300 - Build 40

 
Tools 

Toolkit Drivers, Backup, Root, CWM, BusyBox + MORE mskip
CF-Root SuperSU, CWM & CWMManager Chainfire
ClockWorkMod Recovery
ClockworkMod Touch Recovery (with ext sdcard support) mskip
Cache Ripper Unpack cache.img in seconds using one tool! AdamLange
Triangle Away
Simlock Unlocker


Firmware, ROMs and Kernels 
Samsung Galaxy S III Stock Firmware Collection
Samsung Galaxy S III (GT-I9300) Stock Firmware Collection (direct download, torrent, separate packages for modem/kernel)

[Leaked JB Firmware]
I9300XXDLI1 (4.1.1) 09-03-12 ODIN .tar file
I9300XXDLH7 (4.1.1) 24-08-12 CWM .zip/Rooted
I9300XXDLH7 (4.1.1) 24-08-12 ODIN .tar file
I9300XXDLH7 (4.1.1) OTA 24-08-12
 
ROMs
 
Samsung-based ROMS
Omega ROM series
FoxHound ROM
Android Revolution HD
Dragon's ROM
UltimaROM
CheckROM Resurrection
 
AOSP ROMS
CyanogenMod 9 Nightly
ParanoidAndroid
 
AOKP ROMS
Android Open Kang Project
 
MIUI ROMS
RGUI MIUI
Jimbo's MUI
 
JELLY BEAN AOSP ROMS
CyanogenMod 10 Nightly
SuperNexus
ParanoidAndroid
Sapir
LiquidSmooth
codefireX


Kernels
All in 1 thread: Roms - Kernels - Mods/Fixes - Themes
Kernel source code repository for the Galaxy S III


Custom Kernels
SiyahKernel (capable of dual booting) by gokhanmoral
Ninphetamin3 by netarchy
Perseus by AndreiLux
Phenomenal by fenomeno83
Titanium Kernel by Adi_Pat
GalaXsih Kernel by harunjo
 
Stock Kernels
Fully rooted stock kernel and recovery by ficeto

Accesories

Official CasesDiscussion Thread on XDA for the Samsung Galaxy S3 Official Flip Cover
Video Review - XDA Discussion Link
 
TPU Cases
Diztronic
DBA Ultra
 
Hard Cases
Metal Bumper Discussion Thread on XDA
Rock case,Samsung Galaxy S3 Cases
Case-mate phantom case review on YouTube
 
Gel/Silicon Cases
Pleomax Pudding Jelly Case

Screen Protectors
XtremeGuard screen protectors, plus full body protection
XO Skins Carbon Fiber
XO Skins Screen Protector and Full Body Protector
 
Custom Mods
Wireless charging mod by LER2001 and xda
 
References
"Secret Codes" and Hidden Features
Supported Bluetooth Profiles

Source --> xda  

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