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Flash Galaxy Nexus to latest Android

on 16 November, 2012 in Blog | 0 comments

Before we start

Warning 1: This procedure is taken at your own risk as it may result in a bricked phone.

Warning 2: After unlocking the bootloader of your device, ALL data will be wiped.

This procedure may also work for other Nexus devices. I personally tried it on my Galaxy Nexus GSM 4.1.1 yakjuxw using MacOSX and it was successfully updated to 4.2 takju.

 

 Things you need

For Windows: Android SDK Platform-tools, Google USB Driver and Fastboot, Nexus images

For Mac/Linux: Fastboot, Nexus images

If using Windows, install Android SDK Platform-tools and Google USB Driver before connecting your device to the pc.

Make sure to download the CORRECT version of images for your device from Google’s website.

 

Flash/Install Procedure

  1.  Extract Fastboot and Nexus images in the same directory. Move sure that all .img files are located in the same directory (may need to replace boot.img of Fastboot with boot.img of Nexus image)
  2. Turn USB Debugging ON from “Settings” -> “Developer options” and connect the device with the computer.
  3. Turn device off. Turn it on in bootloader mode by keeping pressed up+down volume buttons and power button.
  4.  Using command line navigate to the directory where Fastboot and Nexus Images are placed on your computer.
  5. Unlock bootloader using Fastboot. Note that there are different versions for Windows (fastboot), Mac (fastboot-mac) and Linux (fastboot-linux). Use the correct one!
    # ./fastboot-mac oem unlock
    Choose Yes using up/down buttons. To select press the power button.

    When the bootloader is unlocked you will see something like this:
  6. Reboot in bootloader
    # ./fastboot-mac reboot-bootloader
  7. Flash bootloader image
    # ./fastboot-mac flash bootloader bootloader-maguro-primelc03.img
  8. Reboot in bootloader
    # ./fastboot-mac reboot-bootloader
  9. Flash radio image
    # ./fastboot-mac flash radio radio-maguro-i9250xxlf1.img
  10. Reboot in bootloader
    # ./fastboot-mac reboot-bootloader
  11. Flash system image
    # ./fastboot-mac flash system system.img
  12. Flash userdata image
    # ./fastboot-mac flash userdata userdata.img
  13. Flash boot image
    # ./fastboot-mac flash boot boot.img
  14. Flash recovery image
    # ./fastboot-mac flash recovery recovery.img
  15. Erase cache
    # ./fastboot-mac erase cache
  16. Reboot
    # ./fastboot-mac reboot

Ready to go with your Galaxy Nexus & latest Android version!

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