How to install Android M Developer Preview

Android M

The possibility that android users would get the Android 6.0 Marshmallow any time before November when it is expected to appear first on the new Nexus 5 and new Nexus 6 is slim and almost unlikely. However, users with  Nexus 5, Nexus 6, Nexus 9 or Nexus Player  who really want to lay a first-hand on the Android M can download the Developer Preview today.

We’ll take you through how to install the Android M on your device now.

It is very important to note that the Android M Developer Preview is intended for developers only. Users who choose to install this developer preview version of the Android M should prepare their mind to experience certain bugs and problems. For those who just want to take a peek, you can also go back to Android Lollipop – we’ll tell you how at the end of this article.

You may Like this: Android 6.0 Marshmallow: Release Date and New Features

This process is not for novice users since it is very possible to brick your device if you get it all wrong. Most importantly, be sure to back-up all data on your Android phone before you can begin the process.

How to install Android M Developer Preview

  1. Install Minimal ADB and Fastboot on a Windows PC. You can download it from here.
  2. Make sure you download the appropriate Android M installer for your device, which you’ll find on the Android Developer’s site. The Android M Developer Preview is only compatible with the Nexus 5, Nexus 6, Nexus 9 and Nexus Player only, please do not try to install it on a different device.
  3. Unzip and extract the contents of the downloaded Android M file to a new folder on your desktop, then copy the extracted files into C:Program Files (x86)Minimal ADB and Fastboot. (You might to rename the .tgz file extension as .tar in order to complete this step.)
  4. Navigate to Settings on your Nexus phone or tablet, open ‘About phone/tablet’ and tap on ‘Build Number seven times’. A hidden Developer Option menu within Settings will be revealed. Open Developer Options and enable USB debugging and OEM Unlock.
  5. Connect your Nexus device to your Windows PC via USB and download the Google USB Driver. Extract the contents of the Zip file to a safe place on your system, then navigate through the Start menu to Devices and Printers, right-click on your phone or tablet and choose Properties. Open the Hardware tab, then choose the top entry under Device Functions and click on Properties. Update the driver, pointing Windows to the Google USB driver you’ve just downloaded. A prompt will appear on your device’s screen to ‘Allow USB debugging’; tick the box to ‘Always allow from this computer’, then press Ok.
  6. At this point you need to be sure that your device has been properly backed up unless you really want to lose all data that was previously on your device. Now you’re ready to flash Android M on to your device, launch Minimal ADB and Fastboot. Type adb reboot-bootloader and hit Enter. Your device will boot into Fastboot mode (this can also be done by switching off your device and then simultaneously holding down the power, volume up and volume down buttons).
  7. Check the information on the device screen for LOCK STATE. If this reports that the phone or tablet is unlocked move on to the next step as explained in 8; if it reports that the phone or tablet is locked, in ADB type ‘fastboot oem unlock’ and hit Enter. Use the volume button on your phone or tablet to select Yes, and then use the Power button to confirm your choice.
  8. This is the last stage of the process. All you need do is type ‘flash-all’ and hit Enter. Your device should reboot and you’ll be greeted with Android M.

How to uninstall Android M: Revert to Android Lollipop on Nexus 5, Nexus 6, Nexus 9 and Nexus Player

For users that just wanted to have a peek on the new operating system and really want to uninstall Android M and revert to their your previous operating system, simply download the appropriate system image from here and repeat the above instructions.

Note that you’ll first need to clear out the files from Minimal ADB and Fastboot that you added earlier.

Goodluck!

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