Jelly Bean update
Galaxy Nexus i9250 gets update. Photo: Google Google

Recently, a flurry of Android devices have relished the stable build of Android 4.1.1 on their phones, thanks to the latest release of Android Open Kang Project based Jelly Bean update. Smartphone users can now enjoy a slick and smooth performance on their Android devices including the Galaxy Nexus i9250 with due credit to the custom ROM update, based on AOSP release of the latest Android 4.1 Jelly Bean firmware.

What New Features You Will Get

  • General
    • Kill all button in Recently Used panel
    • Backlit settings
    • Tablet UI on any device
    • DPI switcher
    • Custom Vibrations for Phone Calls
    • ADB over network
    • National Data Roaming option
    • Volume music controls
    • LED Brightness control
    • Charging LED
    • Boot animation preview
    • Allow full theme support with Contacts & MMS
    • Digital Clock Widget colour customisation
    • Power menu options (airplane, screenshot, navbar toggle)
    • Ability to answer calls using hardware Home button
  • NavBar
    • Custom Ring targets
    • Allow up to 7 Nav buttons on some devices
  • Statusbar
    • IME Toggler
    • Hide ADB icon
    • Allow disabling of volume adjust sound
    • Hide signal bars
    • WeatherPanel
    • WiFi & Cell signal text
  • Lockscreen
    • Allow rotation on any device
    • Added back Info-Lines (Weather, Calendar)
    • Menu unlock
    • Alternative music layout
  • Camera
    • Timer snapshot
    • Volume zoom
    • 720p recording support for grouper (front)
  • MMS
    • Display full date & time

Key Points to Note

  • The ROM and the instructions given in this guide are compatible only with the international version Galaxy Nexus (i9250 maguro) model. It will not work with any other device. Verify your device's model number by navigating to Settings > About phone.
  • IBTimes UK advises users to backup apps, important data and settings to avoid data loss while installing the Android 4.1.1 Jelly Bean update.
  • The instructions provided in this guide are meant for reference purpose only and do not cover any warranty claims involving device damage or issues arising out of using this AOKP firmware update. Users are advised to proceed at their own risk.


  • Ensure that the correct USB drivers are installed for your Samsung Galaxy Nexus device on the computer. Download Samsung Galaxy Nexus USB drivers.
  • Enable USB debugging mode to help connect your Android phone with the computer. To do this, go to Settings > scroll down and tap Developer options. Finally, check or enable the USB debugging option from there.
  • Make sure that your phone battery is fully charged or holds at least 85 percent charge to avoid unexpected battery shutdown while installing the firmware update.
  • Verify that your phone's bootloader is factory unlocked and rooted. Also, ensure that ClockworkMod (CWM) recovery is installed on it before proceeding with the ROM installation procedure.

How to Install AOKP Build 2 Based Jelly Bean Update on Galaxy Nexus i9250

Step 1 - Download Android 4.1.1 AOKP Build 2 Jelly Bean update and Google Apps for Galaxy Nexus on your PC.

Step 2 - Connect and mount your Galaxy Nexus mass storage on your computer using an USB cable.

Step 3 - Copy/paste the AOKP ROM zip and Google Apps zip files to the root folder on your SD card.

Step 4 - Power off your phone and reboot into bootloader mode using a button sequence.

Step 5 - Press and hold the Volume Up, Volume Down and Power buttons together until the device restarts into bootloader mode.

Step 6 - Follow the onscreen instructions to navigate. Choose Bootloader and then enter CWM recovery.

Step 7 - In CWM recovery, perform wipe data first. Then browse and select flash zip from SD card and press the power button to begin flashing.

Step 8 - Press the power button again and hit choose zip from SD card.

Step 9 - Use volume keys, browse to AOKP ROM zip file and select it using the power button. Confirm the ROM installation on next screen and the installation procedure will begin.

NOTE: Repeat this step for installing Google Apps zip file as well.

Step 10 - Once the ROM is installed, hit Go Back and tap reboot system now from the recovery menu. The phone will reboot now into the new ROM. The first boot is time consuming and might take about 5 minutes. So, leave it alone.

AOKP Build 2 based Android 4.1.1 Jelly Bean update is now installed on your phone. Go to Settings > About phone to confirm the firmware version installed.

[Source: Team Android]