Android developer preview

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How to get the Android 12 beta on your phone

(Pocket-lint) - Google has announced the latest version of Android. It's called Android 12 and the first public beta is being rolled out from now. 

What is the Android 12 public beta?

Public beta tests are released prior to a software's official launch, and they typically follow developer beta tests.

When it arrives, it'll be a nearly finished software build that consumers can test. It's not the final build, however, as that won't arrive until this autumn. To see the full Android 12 release timeline, check out Pocket-lint's Android 12 guide here.

Google offers developer and public betas to collect feedback from developers and everyday users, respectively. In these early phases, when the software is still in development, Google also uses betas to iron out potential issues and to give developers ample time to update their apps.

Because of that, we don't recommend you use the Android 12 public beta on your primary phone. Instead, use a secondary device. If you choose to install the software, be aware that it will be a bit ropey and apps might not work. Hopefully, that will all be worked before the final release.

How to get the Android 12 public beta

Google has said that its first beta for Android 12 is already available and you can sign up on compatible devices right now. It may take a few hours after the opening keynote for it to show for everyone, but hopefully no more than that. Some have been able to sign up for it already. 

Android Beta Program

Google has make it as easy as possible for you to try the Android 12 public beta on your device, by offering the Android Beta Program. This allows anyone enrolled to update their Android device to the public beta and receive over-the-air updates for free.

This same beta program was used for Android Nougat, Oreo, Pie, Android Q/10, and Android 11. It's simple. You don't have to flash updates or anything that complicated.

Here's how you get started:

  1. Visit to sign-up for the Android Beta Program.
  2. Sign in to your Google account when prompted.
  3. Your eligible devices will be listed on the next page, click to enroll in the Beta Program.
  4. Go to Settings > System > Advanced > System Update to check for available downloads. It should show up within a few minutes.

If you've used the Android Beta Program before the Android 12 public beta, you will need to re-enroll your phone. Once you're enrolled, you'll continue to be updated to every new version of the Android 12 beta automatically, over-the-air.

If you don't want those updates, or if you decide you no longer want the beta software, you can follow the steps above, but then click to "unenroll device".

Which phones support the Android 12 beta?

You need one of the following Android devices to install the developer beta:

  • Pixel 3 and 3 XL
  • Pixel 3a and 3a XL
  • Pixel 4 and 4 XL
  • Pixel 4a and 4a (5G)
  • Pixel 5

What about the Android 12 developer preview?

The developer preview is an early version of Android 12 specifically for developers to test. If you're not a developer, join the public beta instead.

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How to get the Android 12 developer preview

The video below walks through how to get the Android 11 preview on your device, but the steps mentioned are pretty much the same for Android 12.

Get your Android phone ready

The first step is getting your Android phone ready. You need to use a Pixel phone for the developer preview. And, to get that device prepared, you have to enable a couple of developer options. Follow the steps below:

  1. Go to Settings > About Phone and now find 'Build Number'.
  2. Tap that repeatedly until you get the pop-up telling you that you're now a developer.
  3. Enter your PIN.
  4. Go to Settings > System > Advanced and find 'Developer Options'.
  5. Now you have to find the toggle near USB debugging and enable that.
  6. Also toggle the option to enable OEM Unlocking.
  7. Type in your PIN again, and hit 'enable'.

Now your phone is ready, and all you need to do is plug it in to your PC or Mac. If you're using Windows, you'll likely need to install a driver, which you can get here. You might also need to select the USB mode from the drop-down shade on your phone and select file transfer mode.

Flash Android 12

At this point, you can flash Android 12 using the Flash Tool page:

  1. Open Chrome, and go to the Android Developer Preview downloads page.
  2. You'll see a list of devices, now click the link next to your device on the list.
  3. The Android Flash Tool page will open.
  4. You'll get a popup asking you for permission to access your ADB keys. Click 'OK'.
  5. Hit 'get started'
  6. Now you'll be told to do all the things we did at the start to get your phone ready.
  7. Now hit 'add a new device'.
  8. A new popup window will show up with any compatible connected devices.
  9. Click on your Pixel, and hit 'Connect'.
  10. Another pop-up will show up on your phone screen that says 'Allow USB debugging'.
  11. Hit the checkmark on the popup on your phone screen to enable it
  12. The phone show as connected on the Android Flash Tool page in your desktop browser.
  13. Click on it, and then on the next screen, it'll show you what it's about to install.
  14. Hit 'Install', and then you need to agree to some terms.
  15. Reselect the device you want to install the preview on.
  16. Unlock your device's bootloader: Hit 'Start' in the Flash Tool on our desktop.
  17. On your phone, you'll see a black screen with text like "Do not unlock the bootloader".
  18. Now press your Pixel's volume down button until it says 'Unlock the bootloader'.
  19. Press the power button to select.

Your phone is completely ready to have the software installed. Watch your Chrome browser, and don't do anything more with your phone. Let the process run itself. Even if your phone screen changes to have the Fastboot menu on it, just let it be, and the process will continue. You'll see it download and install. Eventually, the process will complete and your phone will reboot.

It'll take you through the usual phone setup process, and once that's done, you'll be running the Android 12 developer preview.

Writing by Maggie Tillman and Cam Bunton. Originally published on .

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Android™ developer preview for mobile app developers

Update 15th October 2021

Great news for Nokia X20 Android developer preview program users – a new ADP Beta build (V2.200) is available.

What’s new?

  • You can now upgrade without loss of user data from any Android 11 official build or the earlier ADP build (V2.072). Please note that rollback from ADP to the official Android 11 build will result in loss of user data. Before download (and periodically afterwards), we recommend you back up any important data to avoid potential loss.
  • Security patch updated to September 2021.
  • Issue fixes and performance improvements.

Plan ahead and prepare your apps in readiness for the official market release of Android 12.

Your valued feedback through the Customer Feedback app will also help us deliver the smoothest Nokia phones experience in the future.

Registration for ADP and requests for Upgrade and Rollback builds are only available via the My Device app on your Nokia phone.

Please review the points below before proceeding with the registration process:

  • Android 12 developer preview builds (ADP) are early Android OS releases and are intended for application developers only – they are not recommended for general use.
  • Although strenuously tested by our development team, the builds may exhibit performance and/or stability issues in some cases.
  • Some applications downloaded from the Google Play Store may not be supported (either in full or in part) and may show signs of instability.
  • Online support is limited and may not be available to help users who experience difficulties with flashing the device.

If you have any doubts on whether these builds are suitable for your use, we recommend you do not continue with developer preview registration and await the official market release.


Please note, we may not be able to offer Android developer preview builds to devices on certain network providers.

  • Open the My Device app on your phone, click on the Support banner at the bottom, and scroll down to “Android developer preview”.
  • Allow the app to check your IMEI (so we can check eligibility of device), agree to the software license terms and conditions, and after checking the Important Notes, confirm you’re happy to continue.

Learn more about Android developer builds on the Android Developer Preview site:

Over-the-air (OTA) is the easiest way to get your hands on the new Android developer preview builds. Due to image file size, it is recommended that users download builds over Wi-Fi.

For existing ADP users, the new build will be pushed automatically to your device – no need to request the update.

New ADP users should note that after you request the update, the build will be available to you within 12 hours and you'll get a notification on your device when it is ready to install.

Alternatively, if you want to try and get the build sooner, wait about 20 minutes after requesting the build (so we can get the build synched with your IMEI) and then try a manual push request from Settings > About Phone > System Updates.

You can now test your apps! Don't forget to let us know what you think – you’ll be helping with software improvements and enhancements later down the line.

Please report any issues through the pre-installed Customer Feedback app as this is the quickest way we can take in your issues in for further review.

Also, feel free to discuss your experiences with other developer preview users in the Nokia phones community. 

See Nokia phones Android developer preview license terms. 

We really hope you’ll continue with ADP and give feedback through the Customer Feedback app, but if you’d prefer to return to the official release software, you can do so by requesting a rollback through the My Device app.

Advisory notice:

  • Please remember that rollback to an official market release will result in the loss of user data. We recommend that you periodically back up any important data such as contacts, call logs, pictures, videos, music, installed apps, chat history, SMS history, notes, etc. You may also need to re-install any applications previously downloaded.
  • Ideally, your phone should be fully charged, but a minimum of 60% charge is recommended.
  • Please note you will not be able use the phone – including any attempts to make an emergency call – until the installation is complete and the phone has booted into a stable state.

You’ll still be a member of the Nokia phones Developer preview program and be able to request ADP builds should you so wish.

If you wish to unregister from the Nokia phones Android developer preview program, you must first roll back all devices in your account to the latest general release Android version.

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Help make the next release of Android the best yet.

Android Beta for Pixel

Sign in to view your eligible devices.

About The Beta Program

Android Beta for Pixel offers you a simple way to try pre-release versions of Android, and test drive our new features. The feedback you provide will help us identify and fix issues, and make the platform even better. Enrolled devices will automatically receive updates for the latest beta version of Android. Learn more about eligible devices.

What's new?

Android 12 Beta is now available. Learn more about our new features and known issues by reviewing our blog post. We’re still actively developing the platform and in the process of adding features and fixing issues.

Android 12 beta is now available on devices from additional manufacturers. Visit for details on how to sign up.

Previously enrolled?

If you were previously enrolled in the Android 11 Beta Program, you must enroll again to receive Android 12. Previous enrollment does not carry over to the Android 12 program.

How do I participate?

Sign in to your Google Account to see a list of your eligible devices. After you opt in and accept the Android Beta Program Terms of Service, you can start sharing your thoughts about Android 12 with us directly from your device and by joining the Android Beta Program Reddit community.

Before you enroll

The updates that you’ll receive as a part of this program are pre-release versions, and may contain errors and defects that can affect the normal functioning of your device.

You will not be able to unenroll and revert back to a lower public release version of Android without first wiping all locally saved data on your device. You may also encounter issues restoring a backup. We recommend reviewing the latest Pixel known issues before enrolling in Android Beta.

Your eligible devices

Eligible devices that you have signed into with your Google account as the primary user will show on this page.

Once you're enrolled

Wrench IconPhone updates

While enrolled in the Android Beta Program, you may receive ongoing pre-release updates throughout the Android 12 release cycle including feature drop updates, bug fixes, and improvements to stability and performance ahead of the public release schedule.

Phone Update IconLeaving the beta program

You can opt out of the program at any time to return to the stable, public version of Android. When you opt-out of the program, all user data on the device will be wiped.


Which devices are eligible?

If you’ve signed in to your Google Account on any eligible devices, they will appear on this page.

Any device you have hidden on Google Play won't appear on this page. You can check by going to

Android 12 beta is now available on devices from additional manufacturers. Visit for details on how to sign up.

How long does it take to receive the update after opting in or out?

Updates aren’t always immediate and may take up to 24 hours to arrive. If it has been more than 24 hours, make sure your device is connected to the internet, and check for updates by going to Settings > System > Advanced > System updates.

How often will I receive beta updates?

You can expect to receive up to two updates automatically per month while enrolled in the program. Note: You will not receive separate monthly security updates while enrolled in the program as they will be part of the beta build.

If you manually flashed Android 12 on your device by downloading the image from, you won’t receive updates automatically unless that device is also opted-in to the Android Beta Program for Pixel through this site.

How do I verify that I’m running a beta version of Android?

Android Phones

For Android, there are two ways to do this:

  1. Navigate to Settings > About Phone > Build number. If the build number starts with SPB, you are running a beta version of Android 12.
  2. Restart your device. You will see a message informing you that your device is running a beta version of Android.

How do I get help with Android beta versions?

As this is a beta program, there are no official support channels available. Post your question on the Android Beta Reddit community and a fellow community member may assist you.

How can I opt out and return to a public Android release?

First, make sure you are running a beta version of Android. View devices to find the device you want to remove and click Opt out. Your device will receive an update within 24 hours that will wipe all user data and install the latest stable public version of Android. You will not be able to unenroll and revert back to a lower public release version of Android without first wiping all locally saved data on your device. You may also encounter issues restoring a backup.

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