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We don’t know what it is called, or even what version number it is, but the new version of Android — Android M — has been unveiled and is ready for testing by users of select Nexus devices.

The Android M Developer Preview is primarily designed for developers to try out new features and ensure their apps are compatible in time for when the consumer rollout begins.

about

But even if you’re just curious to test out some of the new features for yourself, you can install the Developer Preview today. Here’s how.

Official: Install The Android M Developer Preview

Android M won’t be available to install as an over the air update until it launches officially. It’s expected around Q3.

Instead, you can install the Developer Preview today via a system image. This replaces everything on the device — including all your data — with a factory fresh install of the operating system Should You Refresh, Reset, Restore, or Reinstall Windows? Should You Refresh, Reset, Restore, or Reinstall Windows? Ever wanted to reset Windows 7 without losing personal data? Between a factory reset and a reinstall, it was tough. Since Windows 8, we have two new options: Refresh and Reset. Which one is right... Read More .

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android m in hand

The Android M Developer Preview is available for the Nexus 5, Nexus 6, Nexus 9 and the Nexus Player Nexus 6, 9, Player, and Android Lollipop: Everything You Need To Know Nexus 6, 9, Player, and Android Lollipop: Everything You Need To Know It's official: Android 5.0 Lollipop is here and is bringing with it three new devices: the Nexus 6, Nexus 9, and Nexus Player. Here's a comprehensive rundown of all the new hardware and software. Read More .

The install process is much more involved than a typical OS update, while still being fairly straightforward for more advanced users. You’ll need to use your laptop or desktop computer to do it, although it doesn’t matter whether you’re running Windows, Mac, or Linux.

What You Need

Before you begin, you’ll need to download and set up a couple of things.

download system image

  • The system image. Go to the Android developers website and make sure you pick the right version for your device. Download it to your desktop; it’s around 600MB.
  • The Fastboot tool. This is part of the Android SDK (Software Development Kit), and can be found on a different page of the developer website. Go to the SDK Tools section of the Android Studio page and download the Tools package for your desktop OS.

Extract the system image to a folder on your desktop. Once you’ve set up Fastboot, you’ll be ready to flash the image.

Using Fastboot On Windows, Mac, And Linux

Before we get started, a quick word about Fastboot. Fastboot is a tool that enables you to send commands from your PC to your phone New To Android Debug Bridge? How To Make The Process Simple And Easy New To Android Debug Bridge? How To Make The Process Simple And Easy ADB is incredibly useful for sending commands to your Android device from your computer. For the beginners out there, here's a dead simple way to use ADB. Read More  or tablet via USB without the device being booted into Android. In this instance, we’ll be sending and installing the system image from the desktop to the device.

fastboot

You need to boot into Fastboot mode on your device. First, enable USB access on the phone by going into Developer Options in Android and tap Enable USB Debugging What Is USB Debugging Mode On Android? [MakeUseOf Explains] What Is USB Debugging Mode On Android? [MakeUseOf Explains] If you use an Android phone and you’ve searched forums for solutions to problems, you’ve probably heard the term “USB Debugging” every once in a while. You may even have seen it while looking through... Read More . Now, turn the device off, then hold the power and both volume keys simultaneously to reach Fastboot mode.

To set up Fastboot on the desktop:

  • Locate and unzip the SDK Tools folder you downloaded above
  • On Windows, run the SDKManager.exe; on Mac or Linux, double click android in the Tools folder
  • When the SDK Manager window opens, click Deselect All

sdk manager

  • Now select Android SDK Platform-tools, followed by Install
  • Back in the SDK Tools folder you should now see a new folder called platform-tools. Inside here, you’ll find the fastboot app

On the desktop, Fastboot is controlled through the command prompt on Windows 7 Common Tasks The Windows Command Prompt Makes Quick & Easy 7 Common Tasks The Windows Command Prompt Makes Quick & Easy Don't let the command prompt intimidate you. It's simpler and more useful than you expect. You might be surprised by what you can accomplish with just a few keystrokes. Read More or terminal on Mac and Linux.

Each time you use it, you will need to set the terminal or command prompt to use the directory the fastboot app is in. To do this, simply type “cd ” (including the space after “cd”), then drag the folder containing fastboot into the window and hit enter.

All the commands you need will be listed below. On Mac and Linux, the syntax is slightly different — the command fastboot always needs to be preceded by ./ (so, for instance, the command fastboot flash recovery on Windows would be entered as ./fastboot flash recovery on Mac or Linux).

Flash The System Image

Remember, this method will completely wipe all your data, including photos, so make a backup of anything Don't Lose Your Data: 5 Top Backup Solutions For Android Don't Lose Your Data: 5 Top Backup Solutions For Android Everybody needs to back up their data in case something happens to their device. Protect yourself with these amazing backup apps. Read More you want to restore before you continue.

  1. Connect your device to your computer over USB, and then boot into Fastboot mode as described above.
  2. If your device’s bootloader is locked, which it will be if you haven’t previously unlocked it, you must unlock it. Open a terminal window and type the command fastboot oem unlock. This will wipe your device completely. You can skip this step if the bootloader is already unlocked.
  3. Now copy the Fastboot file into the unzipped system image folder on your desktop and change the directory to point to it, as described above.
  4. Enter flash-all.bat to begin.

To summarize, copy the fastboot app to the unzipped system image folder and enter this code at the command prompt:

cd [path to folder where fastboot is saved]

oem unlock bootloader

fastboot flash-all.bat

Install Android M Without Losing Your Data

If you plan to use or test Android M permanently, then flashing the system image and wiping your device is the preferred approach.

android m dev preview

If you just want to give it a quick test to try out some of the new features, then a “dirty flash” is possible. This is where you flash the image without wiping your data. This method is convenient for short term use, but will result in a fair few errors and crashes.

Note that you do still need to have an unlocked bootloader, and unlocking the bootloader will wipe your device completely. If you need to unlocked the bootloader, then follow the official flashing instructions above. If your bootloader is already unlocked, follow along.

flash radio

The process for a dirty flash is similar to the official method, except we need to manually flash each component in turn.

      1. Backup all your data, preferably a Nandroid backup What Is A Nandroid Backup and How Exactly Does It Work? What Is A Nandroid Backup and How Exactly Does It Work? You need that backup at the ready. Read More , then boot into Fastboot mode as in step 1 above.
      2. Copy the Fastboot app into the unzipped system image folder. At the command prompt or terminal window change the directory to point to this folder using the cd command.
      3. Flash the radio .img file using the commands:
        fastboot flash radio [radio*.img]
      4. Unzip the file called image*.zip. Move the fastboot app into that folder and use cd to change to switch to that directory.

flash system image

      1. Flash the boot and system images using the commands:
fastboot flash boot boot.img

fastboot flash system system.img

Do not flash userdata.img. This will wipe your data.

      1. Reboot your phone.

Restoring Lollipop

To return to Lollipop simply repeat the process you used using a Lollipop system image downloaded from the Android developer website, or restore your Nandroid backup.

Android M: The Features You’ll Love

Now that your phone boots into Android M, you’ll find a host of new features to try, as well as performance and usability enhancements. Remember that the Developer Preview is only a beta, so you are likely to encounter bugs. It’s primarily for testing, not for daily use.

Among the best of the new features are:

Refined Permissions

android m permissions

Android M has finally addressed the permissions issue The Seven Deadly Android Permissions: How to Avoid the Sin of Slothful Preparedness The Seven Deadly Android Permissions: How to Avoid the Sin of Slothful Preparedness Everyone with an Android device should know that your private information isn’t treated as private. For example, making an app purchase may expose personal contact information, including one’s name, physical address and email address, to... Read More . You’re now asked whether you want to allow an app to access your contacts, location or other information. Curiously, internet access is now a permission automatically granted to every app.

Simplified Volume Controls

volume

It’s now easy to adjust the volume for apps, calls, music and so on without needing to delve into the settings.

Improved Copy And Paste

copy and paste

You’ll know longer have to try and decipher those obscure icons when attempting to copy and paste text. A new floating toolbar finally makes the process as simple as it should be.

Google Now on Tap

The standout feature of Android M, Google Now on Tap puts Now functionality into every app. Holding down the Home button gives you context-aware suggestions for apps or searches based on whatever is currently on your screen, no matter what app you’re using. Sadly, this isn’t available in the Preview.

Android Pay

tap and pay

Android Pay launches later this year, giving Google a rival to Apple’s walletless payment system Everything You Need to Know about Apple Pay, Samsung Pay, and Android Pay Everything You Need to Know about Apple Pay, Samsung Pay, and Android Pay Android Pay, Samsung Pay, Apple Pay all have their advantages and disadvantages. Let's take a look at exactly how each of them works and who can use them. Read More . It even promises a hands-free option, enabling you to pay for things just by speaking to your phone while it is still in your pocket.

Android M also offers things like built-in fingerprint scanning The History of Biometric Security, and How It's Being Used Today The History of Biometric Security, and How It's Being Used Today Biometric security devices were long held ideals in science fiction movies that seemed plausible enough to actually happen, but a little too far-fetched for real world application. Read More support, although this needs a device with the suitable hardware to test, and numerous under-the-hood enhancements such as Doze, an intelligent power management system that puts apps into standby to prevent them from using resources when they’re not needed.

What Do You Think?

Android M is not the biggest OS update, but in some respects, it is one of the most important.

It completes the process introduced last year with Lollipop, adding a level of polish and refinement to a fresh, cutting edge operating system. With new features like Google Now on Tap, it also shows the direction the OS will be heading in future, narrowing the gap between apps and the Web, and adding greater levels of automation.

If you have a Nexus device, it’s well worth the effort to install the Developer Preview ahead of the rollout of the finished product later in the year.

What are your favorite features of Android M? What are you most looking forward to using when it launches? Let us know in the comments!

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