That method we install Clockwork Mod recovery and then gain the root access. However this method rather different from that, first we flash insecure kernel using ODIN, after that install superuser.apk and SU binary files. Insecure kernel means, its a modified stock kernel.
There are many reasons to root and install a custom recovery. Install a custom ROM, install zip files, factory reset are some of the uses. Andorid devices not ship with the root. Therefore user need to take the administrator permission by rooting the device.
- Rooting will void your phone warranty. This method only for the Samsung Galaxy S3 I9300.
- If your device bricked by following this method, i can’t get its risk. If you’re not sure what you are doing, don’t root your device.
- This method use SuperSU v0.93, CWM v5.5 and CWM manager v3.60.
- Backup your phone internal memory ( guide in here)
- Fully charge your device
- Install android SDK ( guide in here)
- Enable USB Debugging on your phone (Settings>Developer options)
How to root Galaxy S3 I9300 easily.
- Extract downloaded insecure kernel, now you will receive “.tar” file
- Extract downloaded Root installer
- Disconnect your Galaxy S3 from the computer
- Power off your phone, and boot into download mode by press and hold “Volume down, home and power” buttons together.
- After you receive warring message screen press “Volume Up” button for continue. If your device display another key use it.
- Now you can see “Downloading…” message screen.
- Run the ODIN application on your computer
- Connect the phone into the computer via USB cable. If ODIN display “Success” under the message and “ID:COM” first part highlighted in yellow color, you can proceed next step. If it not detected, install Samsung Kies.
- On the ODIN click “PAD” button and select downloaded and extracted “.tar” file ( insecure kernel).
- Ensure that ODIN’s “Auto-reboot” is ticked
- Now click “Start” button to flash this insecure kernel.
- After installation process finished, phone will be rebooted automatically.
- Now enable your Galaxy S 3 USB debugging (Settings>Developer Options>USB debugging>Yes)
- Make sure that your phone still connected to the PC, if not reconnect it via USB cable.
- Now go to the android SDK “platform-tools” folder (C:Program FilesAndroidandroid-sdkplatform-tools)
- Copy extracted “sgs3-root-install” files into the “C:Program FilesAndroidandroid-sdkplatform-tools” folder
- Now press “Shift” key on your keyboard and simultaneously right click inside the “platform-tools” folder and on the windows context menu select “Open command window here“.
- Now windows command prompt window will be open
- Type “adb root” without quota and hit the enter key
- Now type following command and press the enter key
- Type following command and hit the enter key
adb shell getprop ! find "ro.product"
- Now type following command on the CMD window and hit the enter key
adb shell mount ! find "system"
- Now copy “install.bat” file path into the CMD window with quota its should be like this,
- Now superuser apk and SU files will be flashed and reboot your phone.
[via XDA forum].
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