https://www.ullright.org/ullWiki/show/android-backup-without-root-helium

******
******      Complete Android backup and restore without root (Helium) (Ubuntu)      ******
******


***   Setup

This needs to be done only once.

Helium Backup allows to backup nearly all data of your Android Smartphone. To ma
ke this possible without rooting the smartphone, Helium uses the Android Debug B
ridge (adb). The adb connects to your smartphone from a PC Desktop or Notebook.

Original Helium installation instructions: https://github.com/koush/support-wiki
/wiki/Helium-Desktop-Installer-and-Android-App


***   Setup Smartphone

    Install "Helium Backup" via Google Play or Yalp Store
    Enable usb debugging: 
       https://www.ullright.org/ullWiki/show/android-enable-usb-debugging-for-adb


***   Setup on PC Desktop or Notebook

You need a working installation of Android Debug Bridge (adb)
   test working:
run: adb devices
you should see something like
    List of devices attached
    BH908JBQ9E    device
Note: your smartphone asks you for permission -> allow !


I personally use Ubuntu Linux, refer to these instructions for other operating systems:
   https://github.com/koush/support-wiki/wiki/Helium-Desktop-Installer-and-Android-App

For some commands you need to open a terminal.


***   Ubuntu Linux (16.04, 18.04)

    Install adb: https://www.ullright.org/ullWiki/show/android-adb-installation-ubuntu
    Create a "bin" folder in your home directory if you don't have one already
        mkdir ~/bin
    Create the helium run script:
        gedit ~/bin/helium-carbon-android-backup-run.sh
        Copy and paste the following content:

            #!/bin/bash
            pkg=$(adb shell pm path com.koushikdutta.backup)
            # apparently pm path appends a carriage return which screws
            # up the class name in dalvikvm invocation
            pkg=$(echo $pkg | cut -d : -f 2 | sed s/\\r//g)
            echo $pkg
            adb shell << EOF
            CLASSPATH=$pkg app_process /system/bin com.koushikdutta.shellproxy.ShellRunner2 $@ &
            exit
            EOF

        Save and exit the editor
        chmod 700 ~/bin/helium-carbon-android-backup-run.sh
    Connect your smartphone via usb and check adb connection as described in the adb installation guide,
    see above: run: adb devices

    Note: the original helium script can be found here:
       https://github.com/koush/support-wiki/wiki/Helium-Desktop-Installer-and-Android-App


***   Perform Backup

Connect Smartphone via USB to PC and select file/data access mode.

On the phone

    Start "Helium Backup" app

Start Helium adb script on PC

    sudo ~/bin/helium-carbon-android-backup-run.sh

On the phone:

    Select apps you want to backup or select all apps
    Uncheck "only app data" (so the apps itself are also backuped when possible)
    Save preferable to external SD-card, otherwise to internal storage
    !!! Copy the backup files to your PC !!! 
        Backup files are stored on your smartphone in directory /carbon/


***   Perform Restore

To restore your data on a different phone you have to copy the /carbon directory
 from above to the new device.
You can connect both phones via usb to your PC and copy the files, or you could 
use an SD card reader.
The only important thing is, that the backup data is available on your second ph
one in /carbon no matter if it's on internal storage or the sd card.

    Make /carbon directory with backup data available on your second phone.
    Hint: Install the apps you want to restore first from your app store.
    It works better that way.
    Launch the Helium app
    The steps are the same as above in section "Perform Backup", except you chooe
     "Restore" in the Helium app and select the apps you want to restore.


***   List of apps where backup is not allowed

    AirKey
    K-9 Mail
    NextcloudPasswords
    PrivacyBrowser
    WienMobil
    YalpStore