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Wednesday, March 25, 2015

Download Android 5.1 OTA update for Nexus devices


Android 5.1 OTA update files

Google has started rolling out the Android 5.1 Lollipop update to its Nexus devices. In order to make it easier for our readers to download and install the updates, we have put together a list of links to the official OTA update links for the entire Nexus family. As new update files become available, this post will be updated accordingly.

Nexus 9 Wi-Fi

Nexus 9 LTE

Nexus 6 (shamu)

Nexus 5 (hammerhead)

Nexus 4 (occam)

Nexus 7 2013 Wi-Fi (razor)

Nexus 7 2013 LTE (razorg)

Nexus 7 2012 Wi-Fi (nakasi)

Nexus 7 2012 3G (nakasig)

Nexus 10 (mantaray)

Nexus Player (fugu)

How to install OTA zip files on your Nexus device

OTA updates are usually pushed out automatically to the Nexus device and you should receive a notification when the update is available for download on your device. The following guide will show you how to manually download and install these OTA files before the update is pushed through Google.
  1. Download the OTA zip files for your device using the links above.
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  2. Enable developer settings and USB debugging on your device
    • Navigate to Settings > About Phone.
    • Tap on build number seven times until a dialog appears saying you are now a developer.
    • Return to Settings and you will find a new option called Developer options.
    • Click and enter Developer options and make sure USB debugging is checked.
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  3. Now connect your device to your computer, and .make sure you click OK, when you are asked to Allow USB debugging.
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  4. If you have a custom recovery:
    • copy the zip file to your device root folder
    • reboot into custom recovery
    • flash the zip file you downloaded
    • reboot your device
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  5. If you have a stock recovery
    • Reboot your device and enter fastboot mode (power+Volume Up+ Volume Down) (or power+Volume Down)
    • When you are in fastboot mode, press Volume Up until the word Start changes to Recovery. Then press  the Power button.
    • When you see the Android with the exclamation mark, press VolumeUp+Power together and you will see a menu.
    • Select update from adb from the menu.
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  6. Download and install the Android SDK on your computer. You can also download the required files only using the following links to save some time and space.
  7. If you have the SDK installed head over to \adt-bundle\sdk\platform-tools to access ADB/Fastboot. If you downloaded the files create a folder under C:\android and extract the ADB/Fastboot files into it.
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  8. Copy the zip file you downloaded in Step 1 into the same folder.
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  9. Now open a command prompt (cmd in window, terminal in mac) and type the following
    • adb devices
      • you should see the serial number followed by the name of the device. If you don't see the device, you may have to properly install the device drivers.
    • adb sideload [OTA filename].zip
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  10. You will see a message sending: sideload which will progress to 100%
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  11. At this point the device will start installing the update.

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