
Android 4.1 codename “Jelly Bean” has been announced by Google recently although not all devices are getting the update yet. But there is always a leaked build already allowing users who are impatient to install and try its awesomeness earlier before any one else. This time, folks at XDA have leaked Android 4.1 build for Samsung Galaxy Nexus either its GSM or Verizon versions. Yet, there is also the “How-to” guide on how to flash “Jelly Bean” on Galaxy Nexus.

We have summarized the steps as below. We try to keep all the steps as simple as possible. So, if you are impatient, simply follow these steps..
As usual, before proceeding, make sure you’ve made complete backup as the procedure will erase all your phone’s content and settings.
1- Root your phone and install CWM – sorry you need to google it.
2- Download leaked Jelly Bean ROM for Galaxy Nexus:
- For GSM Edition here
- For Verizon Edition here
3- Download flashable CWM SuperSU v0.89 here
4- Now connect your phone to PC with its USB cable
5- Transfer the flashable ROM .zip and SuperSu .zip to the root of your phone’s internal storage
6- Now you can unplug your phone from PC
7- Turn it off
8- Now hold Volume Up + Volume Down + Power buttons at once until you see the bootloader screen
9- Tap Volume Up until you see the Start text turn into Recovery
10- Now press the power button.
11- Once in custom recovery, backup your phone at first.
12- Once done, still in Recovery, select “Install ZIP From SDCard”
13- Select “Choose Zip from SDcard”
14- Now locate and select the ROM .zip file downloaded in step 2
15- Select Yes and wait for it to flash the ROM.
16- Once installed, select “Wipe Data/Factory Reset” and wait for the process to finish.
Rooting Android 4.1 Jelly Bean on Galaxy Nexus
17- Once done, select “Install ZIP from SDcard” again.
18- Select “Choose Zip from SDcard”
19- Now locate and select SuperSU .zip file downloaded from step 3
20- Once flashed, select “Reboot System Now”.
That’s all. Now your Galaxy Nexus should run rooted Android 4.1 Jelly Bean OS. All credit, thanks and donation links can be found at its XDA page.

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