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How to Manually Update Official Android Ice Cream Sandwich 4.0.2 OTA Early on Galaxy Nexus(GSM)

Google’s Galaxy Nexus was the first device preloaded with latest Android 4.0 IceCream sandwich recently released in UK and other parts of the world. If you are new to this, Samsung Galaxy Nexus is Google first Android Ice Cream  Sandwich ICS 4.0 running device equipped with 1.2 GHz Dual Core Processoralong with many other advanced hardware and software features such as new Android Beam, Panorama mode, Face Unlock etc.

Now Google has just announced that Android Ice Cream Sandwich ICS 4.0.2 is currently rolling out to the GSM version of the Samsung Galaxy Nexus through OTA update but i am sure if you have one of those then you don’t want wait for getting an OTA message. There is a manual procedure available to update Galaxy Nexus (GSM) on official ICS 4.0.2. Follow the below mentioned step by step guide in order to successfully complete the update on your device.

Whats Needed

  1. You need a GSM Galaxy Nexus. NOT the Verizon Galaxy Nexus.
  2. You need the Android SDK installed. Note the path.
  3. You need fastboot. (Windows | Mac)
  4. You need to unlock your bootloader. If you haven’t done that (and you really should), here’s how.
  5. Download the Android 4.0.2 update from Google here.
  6. Download the latest ClockWorkmod recovery image from here.


  1. Copy the OTA package above to the /sdcard folder on your Galaxy Nexus
  2. Drop the ClockworkMod file in the same folder you have fastboot in on your computer in the SDK folder (either /tools or /platform-tools).  Rename it to cwm.img to make things easy.
  3. Reboot your Galaxy Nexus to bootloader mode (hold volume-up and volume-down, then press power).
  4. Plug your phone into your computer, and open a command prompt or terminal.  Navigate to the folder with fastboot and the cwm.img inside it.
  5. At the command line, type the following: fastboot-windows.exe boot cwm.img (or just fastboot.exe if that’s what you’ve got)
  6. Use the ClockWorkMod recovery menu to flash a zip file from the SD card, and choose the OTA zip file you downloaded earlier.
  7. Let things run their course.

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Via [androidcentral]

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