Update HSPA+ Samsung Galaxy Nexus US to Official Android 4.1.1 Jelly Bean JRO03C

Galaxy Nexus Jelly Bean 4.1.1 Update

Galaxy Nexus US HSPA+ ( GSM ) device received the official firmware update to Android 4.1.1 Jelly Bean which has the build number JRO03C. It works only with the HSPA+ variant of Galaxy Nexus US. It is the first device to receive the new Jelly Bean JRO03C update and now you can install it on it. Use the instructions listed in this article and you will manage to successfully update your GNex device to the latest Google Android firmware.

This guide is destined to be used by users who don’t want to update OTA or for those whose device’s didn’t receive the OTA Jelly Bean update notification. Use this guide only with the HSPA+ Galaxy Nexus United States edition as with other devices, the files listed in this post won’t work. Before we can start to update your device, you should read the preparation guide and learn what steps you need to take in order to update to Jelly Bean correctly without the risk of bricking your GNex smartphone. Here’s what you need to know:

  • apply the JRO03C Jelly Bean firmware only on HSPA+ Galaxy Nexus ( US version ) with unlocked bootloaders and the CWM Recovery installed. Those of you who own an unlocked and stock Galaxy Nexus phone should wait until Google sends the OTA update notification for your phone.
  • If your device is currently running the Android 4.0.4 IMM76I build number or the preview Jelly Bean with JRN84D version then this tutorial is destined for it. Do not attempt to install the Jelly Bean OTA JRO03C update on other devices. In the tutorial you will find two different updating files, one for those two firmware devices.
  • The JRO03C won’t work with Sprint or Verizon Galaxy Nexus variants nor with the international version of GNex. If your device is the one that works with this firmware update then you should continue reading the rest of this tutorial.
  • If your device is rooted and it has the bootloader unlocked and CWM Recovery installed on it, then you should use this guide to manually flash the update. If you don’t want to do it, then you should wait until Google rolls out the official OTA update.
  • Enable USB Debugging mode.
  • Charge the phone’s battery so that it won’t power down while you’re installing the Jelly Bean 4.1.1 update.
  • Note that the tutorial should be applied by advanced users and if you’re a beginners then you shouldn’t try to flash the JRO03C firmware. Use the comments section to post all your additional questions.
  • Before moving to the tutorial guide you should read the entire article info.

How to update GSM Galaxy Nexus US to Android 4.1.1 Jelly Bean

  1. Download the correct Jelly Bean update files for your phone by clicking the links below:
    • Download Android 4.1.1 Jelly Bean update for IMM761 firmware build number.
    • Download Android 4.1.1 Jelly Bean update for JRN84D firmware build number.
  2. After the download is complete you should connect the phone to your PC.
  3. Move the zip files downloaded at step 2 to your device’s SD Card. Don’t extract its contents.
  4. Next, power off your device and boot into CWM Recovery. Do it by pressing and holding simultaneously ‘volume up’ + ‘volume down’ + ‘power’ until the Galaxy Nexus screen powers on.
  5. Use the volume rocker buttons to highlight ‘Recovery mode’ option and press Power to open it.
  6. Your device will now boot into custom recovery mode and you first need to select ‘install zip from sdcard’.
  7. Select ‘Choose zip from sdcard’ and point the custom recovery screen to the file that you moved on your devices’ SD card at step 3.
  8. Confirm that you wish to flash the JRO03C Jelly Bean 4.1.1 update.
  9. When the installation is complete you should return to the main recovery screen and select ‘reboot system now’.
  10. The Galaxy Nexus will now boot into normal mode and it has been successfully updated to Android 4.1.1 Jelly Bean OTA firmware.

That’s it, now you can begin the testing of the new Google Android 4.1.1 update and make sure to tell us in comments if you found any problems with it. Customize its interface and make sure to test all new features and services that were installed with the new update. If you cannot complete the installation of this update, then you should leave a comment and we will help you finish it.

Remember that now you’re on an official JRO03C Android 4.1.1 update and you should return to our website in the future to find new methods on how to root it and truly benefit from the full Android Jelly Bean experience.

  • daniel

    it’s official

  • Sylvie

    Hello, really strictly for GNex or ok for my graphic tablet ST8002 ? ;) :

    SDK version: 4.0.4 / ID: IMM761 / Linux / 3.0.8-gal f4c93 Dalvik VM version: 1.6.0
    Amlogic Meson6 g26d customer platform Revision: 0 / Name: ARMv7 Processor rev 0 (v70
    1512 MHz / Cores: 2 / Amlogic Meson6 g26d customer platform Revision: 0
    1024×720 DPI: 160×160 Refresh rate: 60 Hz / GPU (OpenGL) Vendor: ARM
    Renderer: Mali-400 MP Version: OpenGL ES 2.0 / MMA 3-axis Accelerometer