How to Unroot Galaxy Nexus Jelly Bean / Ice Cream Sandwich [GSM] [Mac]

Need to send back your phone to Samsung or your carrier, but you want to send it back without them knowing that you rooted your phone so that you don't void your warranty? This tutorial will help show you how to completely unroot your Samsung Galaxy Nexus .This whole process is very safe to do and will guarantee that Samsung or your carrier will not find out that you rooted your phone as long as you follow the step by step directions.  

Click Here on how to unroot Galaxy Nexus to stock Ice Cream Sandwich for Windows [GSM] 

This will delete EVERYTHING on your phone!

1. Enter phone into bootloader mode (Hold down volume up, volume down, and power all at the same time until you feel a vibration)

2. Connect your phone to your computer via microUSB (Your phone should have a green start screen)

3. Download the Galaxy Nexus Unroot files here:

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Download GalaxyNexusUnrootMac.zip
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4. Extract the zip file 

5. Move the extract folder to your "Downloads" folder

6. Open "Terminal" 

7. Type and press enter after the end of each line 

cd Downloads
cd GalaxyNexusUnroot404
./fastboot-mac flash bootloader bootloader-maguro-primela03.img
./fastboot-mac reboot-bootloader
./fastboot-mac flash radio radio-maguro-i9250xxla02.img
./fastboot-mac reboot-bootloader
./fastboot-mac -w update image-yakju-imm76i.zip

Type ./fastboot-mac oem lock if you are planning on sending your phone back to your carrier or manufacture. 

8. Once your phone has rebooting you will be on a fresh stock 4.0.4 Ice Cream Sandwich for your Galaxy Nexus i9250 GSM

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