Android backup wifi passwords needs androidos v6 and above

[Costas]

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Does anyone know how to recover saved WiFi passwords to a new Android smartphone?
https://productforums.google.com/d/msg/drive/Rt-L8TyjR54/YIXtioYAAwAJ
https://support.google.com/drive/answer/6305834?co=GENIE.Platform%3DAndroid&oco=1

Force Backup with ADB command

src - https://forum.xda-developers.com/pixel-2-xl/how-to/forcing-pixel-2-xl-backup-t3691071
adb shell
bmgr run
bmgr backupnow --all

or (tested & working on S6)

src - https://www.xda-developers.com/android-pie-test-manual-backup-google-drive/
adb devices  
adb shell bmgr backupnow --all

Back up phone - Samsung Galaxy J5
https://www.helpforsmartphone.com/public/en/samsung/galaxy-j5/android-5-1/guides/7/Back-up-phone-Samsung-Galaxy-J5

Sync, Back Up, and Restore Using Samsung Cloud
https://www.samsung.com/us/support/answer/ANS00060517/

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cutted from https://productforums.google.com/d/msg/drive/Rt-L8TyjR54/YIXtioYAAwAJ

If your device runs Android 6.0 and up, you can back up and restore the following items on your Android device:

• Apps
• Call History
• Device Settings
• Contacts
• Calendar
• SMS (Pixel phones only)
• Photos & videos (Pixel phones only)

<div>To turn on Backup, please follow the steps below:</div>
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1. Open your device's Settings app.
2. Tap System 
   
    Backup.
3. Turn on Back up to Google Drive.

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When you add your Google Account to a device that's been set up, what you'd previously backed up for that Google Account gets put onto the device. To restore a backed-up account to a reset device, follow the on-screen steps. You can't restore a backup from a higher Android version onto a phone running a lower Android version. Learn how to check and update your Android version.

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When you reinstall an app, you can restore app settings that you'd previously backed up with your Google Account.

To restore app settings:

1. Open your device's Settings app.
2. Tap System 
   
    Backup 
   
    App data.
3. Turn on Automatic restore.

Note: </b>Not all apps can back up or restore all settings and data.

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Google Drive shot

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