How To Root and Install ClockworkMod Recovery On AT&T Samsung Galaxy S2 SGH-I777
Everything should be upgraded even your Android phone, but to upgrade your Android phone with custom ROMs, you must have to root your phone and install custom recovery too. Here’s guide for you to root and install well-know and awesome ClockworMod recover on your AT&T Samsung Galaxy S2.
Before you start first charge the battery of device 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. Disable all system tools such as antivirus, firewall program, use a Windows PC and USB drivers should be installed on PC, you can use Samsung KIES but keep in mind this software should not be running during process. Lastly turn the USB Debugging on, to do so just tap Menu> Settings> Application> Development.
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 #1: Download GalaxyS2ATTRootZedomax.zip and unzip into a single folder.
Step #2: Open the folder where you’ve extracted above file.
Step #3: Run Odin3.
Step #4: Turn the phone off and reboot into download mode by pressing and holding down the Volume Down key + Volume Up key + Power buttons, when “Warning” screen appear press the Volume Up key.
Step #5: Plug the phone to PC, Odin3 will detect the device, you’ll see ID:COM Box yello.
Step #6: Click on PDA button and locate SGH-I777-ATTGalaxyS2RootStockZedomaxKernel.tar from the folder where you’ve extracted the file in first step.
Step #7: Click on Start button to start installation.
Step #8: After installation, you’ll see messaging saying PASS and device will reboot itself. That’s it, enjoy!