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Install Gingerbread on NexusOne without waiting for OTA update



Google has made Gingerbread available for NexusOne and if don’t mind waiting a “few weeks” before you receive the “over the air” (OTA) update you probably don’t have to read further. Unfortunately, I have been waiting impatiently for GingerBread update and I can’t wait any further.


At the moment of writing, my NexusOne is rebooting after installing the update (fingers crossed). And jut to be clear, my phone has not been rooted, and what I am going to suggest is not illegal and is not going to void your warranty, whatever is left of it. I have not mentioned Nexus S as I have not tired the steps, but you will find the steps almost similar and other posts for Nexus S.

1. First you need to download the update from the Google server. Download Gingerbread for NexusOne

2. Rename the file. The original file that you download will be named “”. Rename it to “”.

Note: If you find the file name to be 81304b2de707.signed-passion-GRI40-from-FRG83G.81304b2d then rename it to update. The extension “.zip” might have been hidden due to the settings on your computer.

3. Copy the file “” to your Micro-SD card. If you don’t know how to do this, then I would recommend waiting for the OTA update.

4. Shut down your phone.

5. Hold the Volume Down key and then power it back up.

6. Use the Volume key to scroll down to Recovery and then press the Power button.

7. Reboot the phone if it does not do it automatically.

8. You should be getting a screen with a triangle and explanation mark. Press the Volume Up and Power button a few times.

9. Select “Apply” the screen.

10. Watch the droid taking over your phone.

GingerBread appears to be a bit faster, but I actually preferred the old theme. Maybe I will get used to it.

Credit: I followed the steps provided by Geekworld.

About Sunil J

I write ideas that strike me, sometimes just to remember them later, and just once in a while, you might find something useful. :-)

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  1. Thanks for this..I’ve tried and failed and see through the comments here ..fortunately was able to make it..thanks again!

  2. I tried this but installation failed, I got “signature
    verification failed message” and then installation aborted, what to do now? Please

  3. Hi Sunil,

    I would appreciate if you could help me to upgrade my Google Nexus phone from Android version 2.3.1 to 2.3.4. I tried doing by air it didn’t worked out for me. I want to try by manually.

    Here are my phone details.

    Model Number: Nexus One
    Android Version: 2.3.1
    Baseband Version:
    Kernel Version: [email protected]#1
    Build Number: MicroMod v.20 (AOSP GINGERBREAD 2.3.1)
    Network/Carrier/Phone Provider: Vodafone (India)


    • 2.3.4 is a minor update. just clear the cache and try. It should go through. Were you getting any error message when trying to update? I have rooted my phone and installed Cayanogen Mod.

  4. This was driving me crazy, thank you so much for the help.


  5. Looks like the same info in XDA… Good luck. 🙂

  6. Looks like the same info in XDA… Good luck. 🙂

  7. The installation fails.
    Get the following messages:
    Verifying update package…
    E:failed to verify whole-file signature
    E:signature verification failed
    Installation aborted

    Anybody had similar problem?

  8. Thank you very much. I’ve been lost after step 7 and I greatly appreciate this article. Running Gingerbread just great on my N1 now.

  9. Sunil,
    What exactly, in layman’s terms, does GingerBread do?
    Thank you,

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