How to Install 4.2 Stock ROM on Galaxy Nexus GSM! [Pre-Rooted]


This method will just install a stock 4.2 Galaxy Nexus GSM Rooted on your phone. This will NOT unroot your phone! 

If you already have ClockworkMod installed on your Galaxy Nexus GSM this is the best method to get the full stock 4.2, and it's pre-rooted!

You MUST have ClockworkMod Recovery already on your phone
Click here for Windows
Click here for Mac

This will delete all your apps, contacts, settings, ect...! BACKUP your phone. 

1. Download bigxie_maguro_OTA_JOP40C_odexed-signed.zip using the link below and transfer it to your phone. DO NOT unzip it!



2. 
Enter into ClockworkMod Recovery Mode
Power off your phone > Hold the volume up, volume down, and power button at the same time. Keep holding until you feel a vibration. (You will now see a green start screen) > Press the volume up 2x and power button to select "Recovery".



3. Select "Wipe Data/Factory Reset", choose "yes", and then "go back". 


4. Select "Wipe Cache Partition", choose "yes", and then "go back". 



5. Selet "Advanced" > "Wipe Dalvik Cache", choose "yes", and then "go back". 




6. Go back and select "Install zip from sd card" > "Choose zip from sd card" > Find the bigxie_maguro_OTA_JOP40C_odexed-signed.zip file you transfered earlier.  


7. Select "yes".


8. Go back and select "Reboot system now". 


9. Wait at least 10 minutes for your phone to boot up.


10. Setup your phone and enjoy your stock 4.2 rooted!


Credits - XDA
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