Android: how to flush cached data?

  • Hi all,

    I have, sometimes, problems when trying to install APK on Android device.
    I've got an error "INSTALL_FAILED_INSUFFICIENT_STORAGE", but a check on my internal storage gives 2.5GB are free!

    When I restart the device, APK installation is working well!
    So, I think there are some "cached data", which are not flushed and this will block the APK installation.

    Is there a way to trigger a "flush" of those data per software?

    I didn't find anything relevant with google, perhaps there is an Android expert here who could my give some advice?

    Best regards

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