How to Root AT&T Samsung Galaxy S2 SGH-I777 on Android 4.1.2 Jelly Bean Firmware I777UCMD8
Android 4.1.2 Jelly Bean update finally arrived on AT&T Samsung Galaxy S2 SGH-I777. With latest Jelly Bean installed on Galaxy S2, your phone is now transformed into a brand new smartphone with lot of exclusive Jelly Bean goodies installed. If you still wondering how to update to latest Jelly Bean firmware, here is the complete guide for you to update to I777UCMD8 firmware and proven working by our reader. Thumb Up!
At the same time, while you are busy testing all of this feature, we try to make you even more excited with working tutorial to root your device. Fear not, it is what you need to unleash the full features on your device without the restriction from the carrier.
In order to avoid any trouble during the rooting process, we highly recommend you to read the pre-requisite and requirements section and do exactly what is told. This might helps to reduce the cases whereby your device is bricked because of a wrong step or you did not follow the steps. If you are facing any problem preparing your device, you are welcomed to drop us a message.
We always prepare the easier tutorial for you to root Galaxy S2 without any hesitation. If you in doubt of any single step in this tutorial, please stop and ask. From here, we ask for your favour to feedback to us if this tutorial is working or not working. We shall update to make sure this guide works for you.
How To Root AT&T Samsung Galaxy S2 SGH-I777 on Android 4.1.2 Jelly Bean Firmware I777UCMD8
Disclaimer: It’s always a risk to modify your device. We, Android Teen are not responsible for any damage or bricks on your device. Your device warranty may void with any mod. Check your devices warranty’s term & conditions before start.(HTC,Samsung,LG, Sony, Motorola). Use this guide on your own risk, contact us for help if you face problem.
Pre-requisites & Requirements
- Samsung Galaxy S2 – AT&T SGH-I777 (Ensure correct device model and firmware; Check device model – Go to Settings -> About Device -> Model Number)
- Windows-based computer or laptop
- Download Samsung Galaxy S2 USB driver for Windows and install in your computer.
- Connect device to computer with USB cable to complete installation.
- Skip this step if you have installed the USB driver.
- Enable USB Debugging on your device. How to Enable USB Debugging Mode on Android Devices.
- Make sure your phone is charged to 60% 80% to avoid battery blackout and interruption during this tutorial.
- We recommend you make a backup on your data and media files before the tutorial. You may restore the data and files if necessary.
- How to Completely Backup Android Without Root
- How to Backup Personal Data on Android Device (Contact, Application Data, Wifi Password, APN Settings)
- Backup SMS and Restore on Android Devices
- How to Backup WhatsApp Messages
- (Complete back up for rooted Android Devices)
Reminder: Ensure you make a backup before proceed. Besides that, ensure you meet the requirements before proceed. Contact us if you face problem.
Download
- Framaroot (framaroot-1.4.2.apk | 2.16 MB) – Source
Instructions
- Browse this webpage using your device.
- Download Framaroot apk file into your device.
- Go to Menu—>Download, locate the Frameroot apk file.
- Press on Frameroot apk file in the Download folder. A pop-out windows ask for confirmation, press confirm/yes to proceed with Framaroot installation.
- Once Framaroot successfully installed on your device, you shall find Framaroot icon in the Menu.
- Press on Framaroot icon in Menu to launch the app.
- In Framaroot user interface, choose Aragorn exploits within the list of exploits.
- You shall now receive a exploit results: “Success
… Superuser and su binary installed. You have to reboot your device”
- If you receive any of the following exploit results, please consult us.
-
- “Failed
… Exploit work but installation of Superuser and su binary have failed”
- “Half-Success :-/ … system partition is read-only, use local.prop trick. Reboot your device and use adb to see if it run as root”, happen when the filesystem in use on system partition is a read only filesystem (ex: squashfs)
- “Failed
… Try another exploit if available”
- “Failed
- After the process completes, you may reboot your device.
- Download root checker to check your root status.
us or give us a if it works for you.
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