How To Install Android 4.1.1 Jelly Bean On GSM/HSPA+ Galaxy Nexus Manually [Tutorial]

Android 4.1 Jelly Bean was announced at Google I/O 2012 keynote. It introduced with some amazing 7 features like buttery smoother user interface with Project Butter, along with push notifications system, Google Now, offline voice typing and so on.

While evryone knew that the Jelly Bean update for various devices will not take much as that it took in case of Android 4.0 Ice Cream Sandwich. Since then, Google has released the 4.1.1 update for Jelly Bean for GSM/HSPA+ Galaxy Nexus. You now have two different choices: either automatically get installed on the Nexuses in the coming weeks in the form of an OTA update or install it now without much risk manually. Eager to fo through the tutorial, thene here’s that guide for you right after this jump!

DISCLAIMER: First of all you’ll void your warranty after rooting your device. VSSzone will not be held responsible for any damage done to your device as a result of following this guide. Proceed at your own risk.

Before you get start with, assume that there are many variants of the Galaxy Nexus and each one has a slightly different method of rooting and a different update path to Jelly Beandepending on which version of OS build of Android 4.0.x you’re on. Keeping that in mind this guide made as generic s possible.

Step 1: Unlock bootloader of and root your Galaxy Nexus. Beyond that, Flash ClockworkMod Recovery.

Step 2: Go to Settings > About on your Galaxy Nexus and note the Android version and build number.

Now, Remind you all who’re running an official Yakju or Takju variant on your GSM Galaxy Nexus, simply go to this thread over [XDA-Developers] forum and download the appropriate .zip file to update to Android 4.1.1 Jelly Bean (Build: JRO03C).

Step 3: Transfer the .zip file to the root of the /sdcard directory on your Galaxy Nexus.

Step 4: Now reboot into ClockworkMod (CWM) Recovery.

Step 5: Make a nanadroid backup.

Step 6: Choose install zip from sdcard > choose zip from sdcard > [file you downloaded in Step 2]. This will flash the Jelly Bean update on your Galaxy Nexus.

Step 7: Once flashing process is complete, select reboot system now from CWM’s main menu.

If you followed the tutor correctly, your Galaxy Nexus will now boot into Android 4.1.1 Jelly Bean (Build: JRO03C). Also adds Google Wallet to the array of stock applications, and for more detailed queries, please visit the official thread over at XDA Developers linked to in Step 2.

Share your thoughts on what you think about Android 4.1 Jelly Bean and its worthy features over on Facevbook and Google+ page.

Note: Simple way to check from the build.prop file under /system to confirm if your Galaxy Nexus is a takju or a yakju variant. (going to Settings > About > System Updates).