How to Manually Install Android 2.2 on Nexus One

Posted Saturday, May 22nd, 2010 at 4:56 pm by 30 Comments
How to Manually Install Android 2.2 on Nexus One
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A few days ago Goggle officially announced Android 2.2 at Google I/O 2010 developers conference. There are reports of a few Nexus One owners receiving the automated update alert, however rollout is at a snails pace. If you’re impatient and want Froyo now follow the steps below to manually update Nexus One to Android 2.2:

Caution: update information is from a premature update build. Side effects will cause you not to be able to access some Protected apps in the Android Market.
  1. Update: Google removed their hosted link so we’ve placed the file on our servers so can download the Android 2.2 firmware for the Nexus One here (45MB).
  2. Important: Copy it to the root of your SD card so it resides “sdcard/update.zip”.
  3. Power off your Nexus One
  4. Hold down the “Volume Down” button as you power the phone back on.
  5. The screen should show your phone’s system searching for various files. Scroll down using the “Volume Down” button to select “recovery” by pressing the “Power” button.
  6. The next screen will have the triangle with an exclamation point, press and hold the “Power” and “Volume Up” buttons at the same time.
  7. From the menu that appears, select “Apply sdcard:update.zip” with trackball.
  8. When the screen displays “Install from sdcard complete” select “reboot system now” and wait for the phone to power back up.

Note: If you’ve Rooted your Nexus One you would have to revert back to the stock Android 2.1 in order to update using this manual install. I’m updating and will give results with video. Make a fast phone even faster plus ability to install apps to SD Card… incentive enough! See a list of what’s new in Android 2.2!

[Via Phandroid]

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30 Responses to “How to Manually Install Android 2.2 on Nexus One”

  1. Ruben says:

    is this rooting my phone? is there any chance of bricking it? sorry for the dumb question.

    • Android Tapp says:

      Perfectly legit questions. No, its putting the official ROM that will be released on your phone early. Actually if you have Rooted your phone you have to go back to stock ROM to get this.

      Oh, there is no 100% certainty it wont brick your phone.

  2. Mariano K says:

    always getting error (status 7):( can you help me please? :D

  3. Norberto says:

    wheres the flash??????????????/

  4. Bryanw92 says:

    So far so good.. Had to reinstall swype.. . But my question is, how do I move apps to sd card? The boxes are grayed out (even on new apps).. Any ideas?

  5. Kathy Robinson says:

    Very cool! Much faster. Flash games up and running (install Flash 10.1 from market). I also had to reinstall Swype and re-enter some logins. Waiting for developers to allow apps to move to SD-card…

  6. Roland says:

    Also getting an Error 7, even though the update.zip file is in the root directory. There must be something wrong with the update.zip file.

    Also noted ab error of: E:Can’t open /cache/recovery/command

    before it opens the update.zip file.

    The finding update, opening update, and verifying update all work, but it bombs out during the Installing update with an “assert failed”.

  7. Roland says:

    The zip file is renamed in the windows environment before it is copied to the root of SD card on the N1.

  8. Chris says:

    Does this work on an HTC Desire?

    • Android Tapp says:

      The phones are identical, I’m truly not sure but think not as it seems Google plays favoritism to its Google Phone. It has actually received the late two updates first.

  9. MyquiH says:

    Will this update work on the N1′s for the AT&T frequencies, or is it only for the TMobile flavor? (Thought I’d read that somewhere, now I’m paranoid!)

  10. Borg says:

    I was able to update my Nexus one, no problem because I was at stock Ere27 firmware. So far it’s been good, very happy with the updates….even with the Flash on the browser…i thought Steve Jobs said it would explode on my device and destroy the world…but hey it didn’t turn out so bad. Heres a video of my nexus one running flash on the browser – http://www.theborgcollectives.com/2010/05/flash-on-nexus-one-browser.html

  11. str8balla50 says:

    I take it that your link is no longer valid? getting…

    E:Can’t open /cache/recovery/command

  12. ruslanrvd says:

    Can you post md5 or sha1 sum for update.zip file to make sure it’s downloaded intact?

    thx

  13. Sunil Raja says:

    HI,
    while i am installing Update.zip, i am getting error saying, File have failed valid signature, installation abord.
    Kindly help

  14. Manda says:

    I am not getting the triangle with the exclamation mark in it. I copied the file to my sd card. turned off the phone , held down volume and power at the same time . It offers the recovery option. Selected it but then I just get the nexus X . I tried to proceed. I held the volume up and power but I wasnt given the option to apply sd card update.zip. It does say flash sd card. Can anyone tell me why? or what I need to do?

    • @Manda Question… have you not received the official over-the-air update from Google yet? I received it about a week ago.

      Regarding where you’re stuck, where is update.zip saved on your SD card? This is important.

  15. rezkizuka says:

    please help me, can u post how to upgrade android for 7″ APad iWeb (android platform)? thank u very much

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