How to Install Stock 4.1.2 Jelly Bean on Galaxy Nexus GSM! [ROM] [Pre-Rooted]

This method will just install a stock 4.1.2 Galaxy Nexus GSM Rooted on your phone. This will NOT unroot your phone!

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_JZO54K-signed.zip using the link below and transfer it to your phone. DO NOT unzip it!

Download bigxie_maguro_OTA_JZO54K-signed.zip

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_JZO54K-signed zip file you transfered earlier.