Samsung Sprint Galaxy S3  L710 users can now upgrade with Android 4.1.2 Jellybean custom firmware based on Avatar ROM. You all know that Sprint Galaxy S3 L710 already comes with Android 4.1.2 Jellybean. But here we are giving installation guide for Android 4.1.2 Jellybean Avatar ROM. Why Avatar ROM because it comes with customize  CM10, it offers well known theme engine of MIUI custom ROM. So after installation you will get all customize CM10 android 4.1.2 Jellybean features like eye candy theme of MIUI ROM. So follow the instructions and get good features with high performance.

Important Note: This Firmware for Sprint Galaxy S3 L710  is taken from a very reliable developer from XDA Forum and is completely safe to install on your device.Yet we would advice you to go for this upgrade at your own risk as neither this site nor the author can be held responsible for any problem in upgradation such as bricking of Device. However, this happens only in rare cases.Also you would lose warranty of the hardware(if any) after upgrade.

To make it easier for Galaxy S3 Sprint L710  users to upgrade your device, the entire upgradation process has been divided into two easy to understand parts:

  • Pre-Upgardation Steps.

  • Final Upgradation Steps.

Please follow all the steps with extra care and donot miss even a single step.

Pre-Upgradation Steps for Sprint Galaxy S3  L710

  • First of all make sure that your device is Sprint Galaxy S3  L710(Check at Settings> About ). Don’t try to run this upgrade on any other version.
  • We would advice the users to first take a complete backup of the existing ROM by using Nandroid Backup and Restore App.
  • Important data such as SMSContacts etc.can also be backed-up on PC or any other device .
  • Also make sure that your Sprint Galaxy S3  L710 is at-least 55% charged as the upgrade will be done on the battery power.
  • Next, we would recommend to disable all the anti-virus(if any) which are running on your Device. Also uninstall the Kies package from the computer which will be used to upgrade.
  • Now the important step,enable USB Debugging on your Sprint Galaxy S3   L710(The option available at Settings > Applications > Development > USB debugging ).
  • With this, your Sprint Galaxy S3  L710 is now ready for upgradation to Android 4.1.2 Jellybean Avatar ROM.

Final Upgradation

  • First of all, download the Avatar ROM 4.1.2 Jelly Bean ROM For Galaxy S3 L710 and Google apps  on your Laptop/PC.
  • After the download is done, transfer the Zipped folders to the SD card using USB cable.
  • Now disconnect you device from PC/Laptop and turn it off (so that it can be started into recovery mode).
  • Now the next step requires you to download the ROM Manager app from the PLAY Store on your device.
  • Then open the ROM manager App in your Sprint Galaxy S3  L710t and select the option “Flash Clock Work Mod Recovery“.
  • Your device will now boot in recovery mode. If it is not, try repeating the above steps.
  • Now in the recovery mode, Select “Wipe data/factory reset” >> “Wipe Cache partition”.
  • Then select “install zip from sd card” >> “choose zip from internal sd card”.
  • Then select the zipped folder(first ROM, then Google Apps) you’ve downloaded and your device will start upgrading.
  • After the upgrade is completed, just restart your cellphone.

With this, you’ve successfully upgraded to Android 4.1.2 Jellybean Avatar ROM. Enjoy your Sprint Galaxy S3  L710 with more efficiency. If you face any issues during upgradation, feel free to ask us in the form of comments below.

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