Nexus 5 and Nexus 7 (2013) tutorial: How to install Android 5.0 Lollipop preview

waiting for update Android 5.0 Lollipop from Nexusit is possible to install the preview for developers. Nexus 5 and Nexus 7 Wi-Fi 2013 Thanks to the recently released system images by Google.

The process is a bit lengthy and requires a few pre-processes, but if you follow the instructions below carefully, you shouldn’t run into any problems.

As you can imagine, this is not relevant. Latest version of Android 5.0 Lollipop It will only be distributed on Nexus devices in the next few weeks, but only as a preview. Therefore, the firmware may contain bugs and does not need to be 100% stable. However, if you want to try the experiment, the following tutorial will help you greatly.

This manipulation is not without risk and will delete all data present on your device. Consider making a backup. Neither Moyens I/O nor the author of this article can be held responsible for any damage that may occur to your device during firmware installation.

Prerequisites

Installing the SDK

on PC :

  • right click My Computer > Settings (“This PC > Settings > Advanced System Settings for Windows 8”)
  • go to tab Developed
  • click Environment Variables
  • in the area “Value of variable”add “; » then the path to the Android SDK on your PC

path variable

on Mac :

  • start a terminal
  • Enter the following command:

export PATH=$PATH:<Chemin du SDK Android>

Installing Google USB Drivers

If you are using WindowsYou will need to install the Google USB drivers included in the SDK files. Java must be installed on your machine. (It is also possible to download them. here). Here’s how:

  • Connect your Android terminal to your PC (in Camera mode under Windows 8)
  • Right-click on Computer (“This PC” in Windows 8), then device Manager
  • Your device will be displayed on the left panel. Right click and then select “Update driver”
  • Manually install the drivers you will find in the path below \extras\google\usb_driver\
  • see you on the menu Settings > System > About… > from your mobile device
  • Activate developer mode tapping the build number repeatedly
  • enable option “USB debugging”
  • Once enabled, allow your PC to connect to your mobile
  • Open a command prompt and type the command “adb devices”If your Nexus appears in the device list, the drivers are installed correctly

Firmware installation

After all these actions are done, you can proceed with the installation of the firmware. Android 5.0 Lollipop on your Nexus 5 or Nexus 7 Wifi (2013). Here’s how:

  • Open a command prompt (or terminal if you’re on a Mac)
  • type the command CD
  • Restart your device in bootloader mode by pressing the keys at the same time Volume Up + Volume Down + Power (Nexus 5) or Volume Down + Power (Nexus 7)
  • Type the following command for unlock the bootloader :

fastboot oem unlock

  • type the command” flash-all.bat » (under Windows) or « ./flash-all.sh » (on Mac)
  • Then the installation will continue. After a few minutes, your device will reboot to Android 5.0 Lollipop.

Relock the bootloader

For security reasons, it’s best to relock the bootloader after installation. To do this, all you need to do is:

  • Restart your device in bootloader mode by pressing Volume Up + Volume Down + Power (Nexus 5) or Volume Down + Power (Nexus 7) keys simultaneously.
  • Type the following command:

fastboot oem lock

Feel free to share your first impressions after the installation is complete.

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