Since Android is open source, Android devices can easily be customized but before you customize the device first you’ll have to root the device and if you own a AT&T Samsung Galaxy S3, here’s a rooting method for you, first you’ll install the most popular ClockworkMod custom recovery that will enable you to make the backup of ROMs, wipe device, install .zip files and much more, then you’ll root the device.
Do note that this method will work on just AT&T Samsung Galaxy S3, don’t apply it on any other model or device and rooting will void the warranty of the smartphone, so think before root. The device should be charged and make a backup of your device data such as SMS, internet setting, contacts music files etc because the below procedure may wipe data, you can sync your contacts with Gmail account and for messages use SMS apps, lastly use file expert app to backup apps. Device drivers also should be installed on the computer grab the drivers here.
DISCLAIMER: Please proceed the below guide at your own risk, Android Egis will not be held responsible if your device lost data or get damaged following this guide.
Step #2: Now transfer the downloaded CWM_SuperUser_v3.0.7.zip to the internal SD card of your S3.
Step #3: Make sure that the device isn’t connected with the computer, then extract the downloaded Odin file and double click on Odin3 v3.04.exe to run the file.
Step #4: Turn the device off and put it on download mode, to do so turn it on by holding down the Volume Down, Home and then the Power button, a warning message will show up, then press volume up button to enter in download mode.
Step #5: Once you’re in download mode plug the device to PC using USB cable, the Odin will detect it and ID:COM will turn yellow, a message ADDED will show up which means Odin has detected the phone. If Odin will not detect the device, you have problem in device drivers.
Step #6: Click on PDA Button and select clockworkmod.tar file that you downloaded in first step.
Step #7: Click on Start button to start installation, once the installation done, your device will reboot itself and you’ll see message saying PASS. If the Odin refuse to install or gets stuck or a message FIAL show up, close Odin, unplug the smartphone from PC. Then remove battery from device and re-insert again and turn on in download mode by following the step 3, and then run Odin and start installation from step 5.
Step #8: After installation unplug the device from PC and turn it off.
Step #9: Now reboot the device in CWM recovery, just hold down the Volume Up, Home and the Power buttons until the screen turns on (Note: In recovery mode use volume keys to navigate and power button to select).
Step #10: In recovery mode, select “Install Zip from SD Card” then “Choose Zip from SD Card” and locate the CWM_SuperUser_v3.0.7.zip downloaded file that you’ve transferred in above step and confirm installation. Wait till installation complete.
Step #11: Once the installation is completed, select “Go Back” after that select “Reboot System Now.”
That’s it, you’ve now rooted AT&T Galaxy S3 with ClockworkMod recovery installed, now you have to install the BusyBox app, so download the BusyBox app from here [Google Play Download Link] or open the Google Play store on the phone and download BusyBox and install on the device, then run the BusyBox and allow it root access, then tap the red X to close the appeared pop up and then let the BusyBox app to scan the smartphone. After that tab on the install BusyBox and make the changes you want. Enjoy!
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