How to Install Android 5.0 L Preview on Nexus 5!

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Google has just released Android 5.0 L Preview for Nexus 5 today.  Now this isn’t a consumer’s version but a “preview” version for developers.  There’s plenty bugs and some of your favorite apps may not work so I do suggest making a backup ROM before trying this.

UPDATE: There’s now Android 5.0 L Preview ROM you can install, you do not need to do this anymore!

Also, installing this Android L Preview will erase everything on your phone so make a backup of everything before trying.  YOU’VE BEEN WARNED!

Step 1. Turn your Nexus 5 off then hold down Volume Down + Power buttons until you see Android figure lying down with belly up.

howto-install-android5.0-L-preview-nexus5-1

Step 2. Connect a micro-USB cable from your Nexus 5 to your computer.

howto-install-android5.0-L-preview-nexus5-2

Step 3. Download the Android 5.0 L Preview and Fastboot.zip and unzip both files.  (If you don’t know how to unzip .tar files, get 7-Zip.)

Download:

Download Android 5.0 L Preview

Download Fastboot.zip

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Step 4. Copy all of the files in fastboot directory to hammerhead-lpv79 directory.

howto-install-android5.0-L-preview-nexus5-4

Step 5. Open up a terminal for Linux/Mac or command prompt for Windows, then type:

For Windows:


cd Downloads
cd hammerhead-lpv79-preview-ac1d8a8e
cd hammerhead-lpv79
fastboot flash bootloader bootloader-hammerhead-hhz11k.img
fastboot reboot-bootloader
fastboot flash radio radio-hammerhead-m8974a-2.0.50.2.08.img
fastboot reboot-bootloader
fastboot -w update image-hammerhead-lpv79.zip

For Mac OSX:


cd Downloads
cd hammerhead-lpv79-preview-ac1d8a8e
cd hammerhead-lpv79
chmod 755 *
./fastboot-mac flash bootloader bootloader-hammerhead-hhz11k.img
./fastboot-mac reboot-bootloader
./fastboot-mac flash radio radio-hammerhead-m8974a-2.0.50.2.08.img
./fastboot-mac reboot-bootloader
./fastboot-mac -w update image-hammerhead-lpv79.zip

For Windows:


cd Downloads
cd hammerhead-lpv79-preview-ac1d8a8e
cd hammerhead-lpv79
chmod 755 *
./fastboot-linux flash bootloader bootloader-hammerhead-hhz11k.img
./fastboot-linux reboot-bootloader
./fastboot-linux flash radio radio-hammerhead-m8974a-2.0.50.2.08.img
./fastboot-linux reboot-bootloader
./fastboot-linux -w update image-hammerhead-lpv79.zip

howto-install-android5.0-L-preview-nexus5-5

howto-install-android5.0-L-preview-nexus5-6

howto-install-android5.0-L-preview-nexus5-7

howto-install-android5.0-L-preview-nexus5-8

Step 6. When all done, your Nexus 5 should reboot.  It took about 10 minutes so be patient while it boots.

howto-install-android5.0-L-preview-nexus5-9

Step 7. You should eventually see the welcome screen.  Congratulations!  You’ve installed Android 5.0 L Preview firmware on your Nexus 5!  Welcome to the future!

howto-install-android5.0-L-preview-nexus5-10

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Q&A

Q: How do I go back to KitKat?
A: You can follow How to Unroot Nexus 5!  You will need to root your Nexus 5 again.

 

 

 

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9 thoughts on “How to Install Android 5.0 L Preview on Nexus 5!

  1. titou345

    ./fastboot-linux: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory

    On Linux Ubuntu ….

    Reply
  2. kausik sharma

    fastboot flash bootloader bootloader-hammerhead-hhz11k.img
    after this,iam getting .nothing after that. i’ve been waiting for a looooong time. pls help me

    Reply
  3. kausik sharma

    fastboot flash bootloader bootloader-hammerhead-hhz11k.img
    after this,iam getting waiting for device .nothing after that. i’ve been waiting for a looooong time. pls help me.
    before that i didnt do the third step.cd hammerhead-lpv79 .when i did that,i got ‘the path not founf’

    Reply
  4. Abhi

    Hi ,

    When I try to update the hammerhead image to my phone by using the fastboot -w update image-hammerhead-lpv79.zip command I am getting the following error message
    “archive does not contain ‘boot.sig’
    archive does not contain ‘recovery.sig’
    failed to allocate 699970328 bytes
    error: update package missing system.img “.
    Please help me on this

    Reply
  5. imar


    For Windows:

    cd Downloads
    cd hammerhead-lpv79-preview-ac1d8a8e
    cd hammerhead-lpv79
    chmod 755 *
    ./fastboot-linux flash bootloader bootloader-hammerhead-hhz11k.img
    ./fastboot-linux reboot-bootloader
    ./fastboot-linux flash radio radio-hammerhead-m8974a-2.0.50.2.08.img
    ./fastboot-linux reboot-bootloader
    ./fastboot-linux -w update image-hammerhead-lpv79.zip

    it for linux :)

    Reply
  6. MaryellenX

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    Reply

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