How to Install Jelly Bean 4.1 on Galaxy Nexus GSM i9250! [Developer Version] [Windows]

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This guide will show you got to install the latest OS Android version, Jelly Bean 4.1 onto your Samsung Galaxy Nexus GSM i9250 phone. This is the developer version (the official one has not been released yet)

 Note: Need ClockworkMod Recovery installed. If you don't have ClockworkMod Recovery installed click: Here

1. Plug your phone into your computer 

 2. Download the Jelly Bean ROM here:
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Download bigxie_maguro_JRN84D_v2-signed.zip
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3. Plug in your phone and transfer "bigxie_maguro_JRN84D_v2-signed.zip" into your internal SD card.

4. Power off your phone

5. Hold down the volume up, volume down, and power button. (Keep holding until you see a green start screen)

6. Press the volume up 2x (twice) until you see "Recovery Mode". Press power to select it.

7. Select "Erase Data / Factory Reset" (This will prevent any problems when you flash Jelly Bean on your phone)

8.  Go down and select "Yes"

9. Now select "Install Zip from SD card" then "Choose Zip from SD Card"

 10. Choose "bigxie_maguro_JRN84D_v2-signed.zip" and select "Yes"

 11. After the process is done just reboot and you will have a fresh stock Jelly Bean 4.1. 

 12. Enjoy the latest OS Android version.
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