How to Download and Install Android M on Google Nexus 5,
Nexus 6, Nexus 9, and Nexus Player
Android M, the latest version of the world's most popular mobile
operating system, was announced at Google
I/O 2015 on Thursday. Android M is still some time away from being
ready for rollout - the launch to consumers is expected in Q3 of this year -
the preview version for developers is now available.
(Also
see: Android M:
Top New Features in the Next Major Android Release)
This version of the OS is not ready for most people and we
strongly suggest that you do not try installing this on your primary device as
there is a good chance that there are bugs to iron out at this stage. If you
have a spare Nexus device that you want to try the
Android M preview on, then you can go ahead and follow the steps described
later in this article. Before you do that, it's vital to take a full backup of your Android smartphone.
Android M preview is currently available on just four devices - Google Nexus 5, Google Nexus 6,Google Nexus 9, and Google Nexus Player.
Here's how to manually download Android M preview and install it
on your Google Nexus devices.
1.
Download and install the latest Android Studio Preview on your Windows computer. This
installs the ADB and Fastboot programmes, which can be accessed through the
command terminal on your PC.
2.
Add the SDK folder to the PATH by following these steps:
3.
Right click My Computer and click on Properties.
4.
Click on Advanced System Settings.
5.
Click on System Properties > Advanced
> Environment Variables.
6.
In the Window, select Path, then click
on Edit, and then
type in the name of the directory where you installed the SDK, and remember
that each entry is separated by a semi-colon.
7.
Enable USB debugging on your device. First, go to Settings
> About Phone > Software information.
8.
Tap Build number seven times.
9.
Go to Settings > Developer options.
Tick USB debugging.
10. Download the correct
factory image for your device.
Android M for Nexus 5
Android M for Nexus 5
11. Extract the image on
your computer.
12. Connect your device
to your computer over USB.
13. Start the device in fastboot mode.
The easiest
way to do this is to hold a key combination while powering up the device. For
Nexus 5, hold the volume up, volume down and power buttons while powering on
the device. The full list of key combinations for different devices is here.
You can also boot into fastboot mode using the ADB tool: With
the device powered on, go to the command terminal and execute the following: adb
reboot bootloader
If needed, unlock the device's bootloader through your computer
using the command terminal and executing: fastboot oem unlock
1.
Open a command terminal and navigate to the unzipped system
image directory.
2.
Execute flash-all.bat,
which was a part of the unzipped image file. This script installs the necessary
bootloader, baseband firmware(s), and operating system. For this to work, you
need to have added the folder where ADB and Fastboot are installed to the
system's path as described in step 2.
3.
When this is done, Google recommends that you lock the
bootloader for security. You can do that by booting the device in fastboot mode
while still connected via USB, and using the command terminal to execute: fastboot
oem lock.
That will install Android M preview on your Nexus device.
Android M will receive monthly OTA updates until the final version ships,
according to a report, so you won't
have to repeat this complicated process again. We still recommend that you just
wait a while until the OTA update arrives on your device, unless you want to
stay on the bleeding edge of smartphone OS development.
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