For those of you who really can’t live anywhere else but at the bleeding edge of all things rational and sane, Google has now posted the first preview images for Android M on the Google Developers website. Initially available for the Nexus 5, Nexus 6, Nexus 9 and Nexus Player, the images weigh in at just under the 1GB mark (for the Nexus 6, at least) and are available immediately.

They come with Google’s standard warning for using these previews, which we think you should really carefully read before going down this path. If last year’s Android L preview was anything to go by, these are not builds that you would want running on devices that you use as a primary phone or tablet; they’re usually just a bit too unstable.

Warning: The following Android system images are previews and are subject to change. Your use of these system images is governed by the Android SDK Preview License Agreement. The Android preview system images are not stable releases, and may contain errors and defects that can result in damage to your computer systems, devices, and data. The preview Android system images are not subject to the same testing as the factory OS and can cause your phone and installed services and applications to stop working.

For those of you who’re prepared to take the leap, here are the download links straight from the developer page:

Device Download / Checksums
Nexus 5 (GSM/LTE)
MD5: 9e2631b06c6525e401ceaae3677ff320
SHA-1: 55d76d3a379b18f3363f28d8a462c236ab96fc36
Nexus 6
MD5: 307cbf9dab0a38df4ab2639d02be12aa
SHA-1: c1d6506a74094bdb2f4b8677c7fe4967334f9ea8
Nexus 9
MD5: 8989ce077510a1b814d58dcdb33d160e
SHA-1: d15ad483d0364102984411abda66a4d7b85886c0
Nexus Player
MD5: 815902141a85cc65e7725f005cad31d5
SHA-1: 2406ba0598dea1e69110497ac0bc8e16789bc8fb

Installing these images won’t be difficult for those who are familiar with the process:

  1. Download and uncompress one of the system image packages listed here.
  2. Backup any data you want to preserve from the device.
  3. Follow the instructions at to flash the image onto your device.

If it wrecks your device, you can of course revert back to the latest build of Android Lollipop through the Nexus factory images page, but don’t say we didn’t warn you about using preview images!

Source: Google Developers.
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I really hope these are stable-ish because this will be getting installed on my main (and only) Nexus 5 in a very few short hours.

Daniel Tyson

They’re not bad – haven’t installed a SIM card in the Nexus 6 yet, but it seems Ok.

One note was that if you don’t wipe user data it got ultra-buggy, however mine with a clean wipe was awesome.


Wow, you weren’t joking. Without wiping everything crashed constantly. Wiping defiantly needs to be performed when flashing.

Now just to wait for the backups to restore…