With some pointers and instructions from some people in xda-developers forum, I've been able to create a rooted system image for the Samsung Stratosphere 2 phone. The link to the rooted system image to apply to a Samsung Stratosphere 2 phone running 4.1.2 (jelly bean / MA3) is here: https://mega.co.nz/#!wZpSURaZ!E3EpjBAbw7KNCiKet2oYvzPmnH1jC0o_39HQyqwlWSs - Just make sure you're already running 4.1.2, because this only replaces the /system partition and I don't know if it would work otherwise. - Setup the usb drivers (same drivers adb uses) - Unzip the downloaded file (it will give you a tar file) - Put your phone in download mode (volume down+power to turn on, volume up to confirm) - Run Odin (I used Odin 3.07). It should detect your phone and say it is ready - Check PDA and supply the tar file for the PDA box. - Flash. It's a bit large and will take around 10 minutes to complete. This uses the SuperSU version of su. I don't think you need to install SuperSU from the market (it is included in /system/app already) but it couldn't hurt and the market will let you get updates for it. If you'd like more information the genesis of this work is an xda-developers thread here: http://forum.xda-developers.com/showthread.php?t=2078615 While I created this image for the 4.1.2 firmware version, most of the credit should go to Nardholio with the original idea and kado01 who implemented it on the 4.0.4 firmware.