Android 4.3 Rooted Courtesy of Chainfire
The recently released Google Edition Galaxy S4 has been generating a lot of excitement since being announced. What a lot of people did not see coming was Jelly Bean 4.3 leak. Despite containing only a few minor changes likely that would affect the average end user, there may well still be a few differences under the hood that we are yet to discover.
A recently leaked Samsung firmware based on Android 4.3 (JWR66N for those keeping track) has been found to work pretty darn well on the original TouchWiz-laden Snapdragon-powered Galaxy S4. However it was not rootable until today, and therefore somewhat less viable of an option for those who can’t live without their root applications. Cue XDA Elite Recognized Developer Chainfire and his modified version of SuperSU, which is specially adapted for use with 4.3.
The exploit was made public in a Google+ post by Chainfire, and it explains precisely why a modified SuperSU is required. The main difference between this and a regular version of SuperSU, in Chainfires own words, is that:
For this root, SuperSU is running in daemon mode (new feature), and launched during boot.
The daemon handles all su requests, and while this should mostly work just fine, some apps may expect their su session to be running on the same branch on the process tree as the app that launched the session.
Whether these changes are due to Samsung or just Android 4.3 in general remains to be seen. But needless to say, once we see a few more 4.3-based firmwares, we will have an answer. There are also some other differences that will you will want to be aware of, especially those of you using a CWM-based recovery, so I highly recommend checking out that post in full.
If you’re currently running the 4.3 leak on your S4, this is probably something you’ve been looking forward to for a few days now. The flashable zip file itself can be downloaded from the Google+ post, and the current SuperSU thread should be used for any related issues.
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