Download and Install Android 7.1.1 Beta without Losing Data

According to Google, latest Android 7.1 new update is available for developers to download and test on their phones now. If you are a developer user, you can directly get the latest update on your phone by the OTA update now. 
Note: If you are using Nexus 9, Nexus 5X, Nexus 5P or Pixel C, you can just follow this article to direct download Android 7.1.1 beta and enjoy new updates in your phone without losing any data now.

But if your devices are not available with this new update, relax! You can either choose to wait till Android 7.1.1 support your Android phone or try below offered access to direct Android 7.1.1 APK to install on your phone now. 

Step 1. Download Android 7.1.1 beta APK/image

If you are a developer user and is using these Android devices, you can also try to download Android 7.1.1 beta through OTA: 

Go to Settings > About Phone > System Updates > Check for Update > Download > Update now.

Step 2. Backup android data in advance before install Android 7.1.1 update

In order to avoid unnecessary data loss trouble on your Android phones due to Android 7.1.1 update, it's highly recommended for you to backup precious personal files and data such as contacts, text messages, photos, videos etc in advance. 

You can selectively choose to backup data to Cloud service such as Google Drive or just simple extract data to PC as a backup. Here we'd like to recommend you backup and extract all files from Android phone to PC. This will help protect your personal files from leaking on line and you can restore all data to your Android device whenever you need. 

EaseUS MobiSaver for Android  as a professional Android data recovery software supports to scan and extract all your data in your Android phone to PC within only 3 simple steps. Previously deleted data or files on your Phone can also be restored by this tool. Free download it and follow next guide lines to get all your contacts, text messages, reminders, photos or videos etc backed up to PC now:

1. Connect your Android phone to computer
Install and run EaseUS MobiSaver for Android and connect your Android phone to the computer with USB cable. 
Then click "Start" button to let the software read and connect your device.

2. Scan Android phone to find present and lost data
After connected your Android phone, the software will quickly scan the device to find all the existing and lost data including your lost data.

3. Preview and recover data from Android phone
Preview all the recoverable files one by one and then you can select out those you want to backup and extract quickly.
Finally, you can click "Recover" button to extract those selected data and files to a safe spot in your PC now.

Please select a safe location in your PC to save your Android data and then you can follow next steps to perform update to Android 7.1.1 beta without losing data.1 beta.1 now.

Step 3. Flash and install Android 7.1.1 beta image on Android phone

Now you can run downloaded images for Android 7.1.1 and install on your phone by following below steps now:

1. 1. Uncompress/Decompress or UnZip downloaded Android 7.1.1 factory image 
2. 2. Enable USB debugging and connect Android phone with PC
3. 3. Flashing Android 7.1.1 factory image and uninstall Android 7.0 Nougat:

• Open Command Prompt and type: cdandroid-sdkplatform-tools and hit Enter;
• Type: adb reboot bootloader and hit Enter;
• Type: fastboot oem unlock to unlock Android device; (This step will erase everything on your Android phone. Therefore, please do remember to backup or extract your Android data first.)
• Type: flash-all to install the bootloader, baseband firmware(s) and operating system - Android 7.1.1;