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Galaxy S3 Android 4.1.1 Jelly Bean test firmware(s) available

Samsung is great when it comes to firmware updates for its flagship phones. Along with the latest version of Android, the company also includes some special features that has been cooked by their developers specially for the phone. Samsung’s 2012 flagship phone, Galaxy S III, packs in a lot of muscle, thanks to its Quad-core 1.4 GHz Cortex-A9 (international versions) and 1 gig of RAM. With that kind of power, of course it has to get the Jelly Bean, besides being the fact that it is a flagship device.

Samsung Mobile reported that Samsung will have the update ready for the S3 users by 29th of this month, and that’s the same day when Samsung is expected to release the Galaxy Note 2 during the IFA event in Berlin, Germany. Samsung will surely steal the limelight in so many levels on this day, however, for those who just can’t wait, and if you’ve been tracking the developments regarding Galaxy S III, a firmware was leaked on the webs.

Previously, Sam Mobile reported that the I9300XXDLG4 firmware was available for download to anyone interested in testing out the Jelly Bean on their Galaxy S III device. Version I9300XXDLG4 is based on Jelly Bean and has a July 31, 2012 build date. Now, a second Galaxy S3 Android 4.1.1 Jelly Bean build has come into existence, the version I9300XXDLH4, and is ready to be flashed on to your Galaxy device.

These firmwares are obviously pre-release ROMs, and you’re definitely going to encounter certain minor bugs, but if you’re an advanced user and know what you’re doing, it’s definitely worth giving a look, but you fall under the other category, it’s better you wait for few days until your device receives the official OTA update of Jelly Bean.
The latest ROM is without doubt better, and you can obtain it from here. Below are the instructions that you need to follow in order to flash your S III with I9300XXDLH4.

• Unzip the file
• Open Odin 3.04 (already included in the firmware package)
• Restart phone in download mode (Home+power+vol down)
• Connect phone and wait until you get a yellow sign in Odin
• Add I9300XXDLH4_I9300OXADLH4_I9300XXLH1_BTU.tar.md5 to PDA
• Make sure re-partition NOT ticked
• Start flash, sit back and wait a few minutes.
• If you encounter any issues with the firmware (Any FC, Bootloop etc)
• Boot into recovery mode (Home+power+vol up)
• Choose to wipe/factory reset. (THIS WILL ERASE ALL OF YOUR DATA INCLUDING YOUR INTERNAL SD CARD!)
• Then choose reboot and you should be good to go!

For those who would like to install the previously leaked firmware, I9300XXDLG4, you can download it from here. Below are the instructions that should be followed in order to flash I9300XXDLG4.

• Make sure to have an ORIGINAL rom before attempting to flash. (could brick if not)
• Unzip the file
• Open Odin 1.85
• Restart phone in download mode (Home+power+vol down)
• Connect phone and wait until you get a yellow sign in Odin
• Add CODE_I9300XXDLG4_11164_REV00_eng_mid_noship.tar.md5 to PDA
• Make sure re-partition NOT ticked
• Start flash, sit back an wait a few minutes.
• Once the phone have booted, you’ll probably get into a boot loop.
• Remove the battery and put it back again.
• Boot into recovery mode (Home+power+vol up)
• Choose to wipe/factory reset. (THIS WILL ERASE ALL OF YOUR DATA!)
• Reboot. and you are good to go! (hopefully)

It’s a good idea to backup your phone before flashing any firmware, and given that it’s a pre release firmware and many users have already reported their SD Card getting formatted, you must backup all your data.

Below are few noticeable features in the Jelly Bean based firmware:

• A new clock (in line with JB vanilla) in the notification bar.
• A function called “Dormant mode”
• “Palm swipe” lets you take a screenshot
• Reboot into “safe mode” (maybe just in test release)
• Google Now is accessed by touching the Google Search widget
• A couple of new Live Wallpapers

It is said that Samsung is trying to stick as close as possible to the original Jelly Bean build so that much manpower isn’t required to finish the development on time. It’s also worth noting that update from Ice Cream Sandwich to Jelly Bean isn’t as major as update from Gingerbread to Ice Cream Sandwich, so development should be relatively easier. Also, Sammy has to be careful while putting new features in its firmware as Apple is always hunting for features that have similarities to its patents. Both companies are currently involved in various legal battles over patent issues in courts across the world. Apple is reportedly preparing to file another patent case against Samsung’s flagship.

Like always, we don’t encourage you to install these firmwares as doing so may brick your device, and if you do brick your device, you are pretty much on your own, so if you don’t know what you’re doing, you may turn your flagship device into an extremely costly paperweight. Responsible advanced users can go ahead. In addition to Sam Mobile, a xda-developer user known as Jack Barrett has repacked the new ROM in a better fashion, and it can be found over here. Barrett’s ROM/backup can be restored on any ROM you want and need not be necessarily the stock ROM. Below are few changes made by him in order to make the overall experience smoother.

– Disabling all animations in developer settings (or at least 0.5 to windows animation)
– Deleting all widgets from the homescreen
– Disable S Voice launch by homescreen and voice turnon (drain battery)
– Freezing/uninstalling all stock bloatware (with Root Uninstaller Pro) [AllShare, Google+, Yahoo News, Weather, Samsung Apps, Video Hub, Music Hub, etc etc]
– GPU rendering

Apparently, he has managed to get 490 MB of free RAM at final.

The official update OTA will come on 29th August, and that’s pretty reasonable since Jelly Bean is still fresh from Google’s lab, so we wouldn’t blame Samsung for that. For now, lets stick to leaked ROMs. Have you installed any on the above two firmware on your Galaxy S III? If yes, how has it been treating you so far? Connect with us using the comment form below.

Xda-Developer support page for these ROMs is over here, so head over there if you have any question in mind.