Samsung Galaxy Nexus 4.1.1 upgrade

Sep 01, 2012

This small tutorial shows how to upgrade your galaxy nexus from *any* version to Jelly Bean 4.1.1 (of course, the very same procedure applies to any given version).

Note that this procedure wipes out all your data, this is not a regular upgrade solution.

Steps :

  • If not done already, download + install Android SDK
  • If not done already, download fastboot
  • Download the factory image
    • V4.1.1 Factory Images "yakju" for Galaxy Nexus "maguro" (GSM/HSPA+)
    • from
  • Plug mobile to your comptuer
    • Install it all! :)

Isolate it all

mkdir TEMP

Android SDK + Fastboot

tar cfzv android-sdk_r20.0.3-linux.tgz
android-sdk-linux/tools/android update sdk
wget # Get fastboot
mv fastboot android-sdk-linux/tools
chmod +x android-sdk-linux/tools/fastboot
chmod +x android-sdk-linux/platform-tools/adb
vi ~/.bashrc
.. --- ~/.bashrc ---
  export PATH=${PATH}:/PATH/android-sdk-linux/tools
  export PATH=${PATH}:/PATH/android-sdk-linux/platform-tools
source ~/.bashrc

Download Factory image

cd ..
tar cfzv yakju-jro03c-factory-3174c1e5.tgz
cd yakju-jro03c

Prepare USB driver

sudo vi /etc/udev/rules.d/70-android.rules
.. --- /etc/udev/rules.d/70-android.rules ---
  # fastboot protocol on maguro (Galaxy Nexus) -> username = whatever you'd like
  SUBSYSTEM=="usb", ATTR{idVendor}=="18d1", ATTR{idProduct}=="4e30", MODE="0666", OWNER="username"
sudo chmod a+rx /etc/udev/rules.d/70-android.rules
sudo service udev restart
sudo killall adb

Install image to device

adb devices # list any devices connected to your computer if any!
adb reboot bootloader # restarts your mobile in bootloader mode == 1) turn off, 2) vol-up+vol-down+power button
cd yakju-jro03c
fastboot devices # list devices connected in bootloader mode
fastboot oem unlock
fastboot reboot-bootloader
fastboot flash bootloader bootloader-maguro-primela03.img
fastboot reboot-bootloader
fastboot flash radio radio-maguro-i9250xxlf1.img
fastboot reboot-bootloader
fastboot flash system system.img
fastboot flash userdata userdata.img
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot erase cache
fastboot reboot



comments powered by Disqus