1. jimjones_br's Avatar
    I uninstalled whatsapp and kept its data using:
    Code:
    adb.exe shell pm uninstall -k com.whatsapp
    Then I tried to install an old version of whatsapp, but got the following error message even using the -r -d flags:
    Code:
    >adb install -r -d tmp\LegacyWhatsApp.apk
    1738 KB/s (18329558 bytes in 10.298s)
    Failure [INSTALL_FAILED_VERSION_DOWNGRADE]
    I'm using Windows 10 and Pixel XL android version 7.1.2
    How can I downgrade whatsapp and keep the data folder?
    05-12-2017 12:19 PM
  2. hallux's Avatar
    I'm not an expert, but thinking about it, you might consider temporarily moving the Whatsapp data to a different folder while performing the install. Unfortunately, the app may have done some database upgrades/changes during an app update, rendering the database useless with an older version of the app.
    05-12-2017 12:26 PM
  3. jimjones_br's Avatar
    I have no access to the application data folder, because my phone is not rooted.
    05-12-2017 01:07 PM

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