Go through the steps one by one and make your unit perform better even on low internal storage.
Internal storage can be needed to install apps and also can be used to store up the data.
So to manage the space on internal storage you has to avoid installing heavy and not useful apps.

This can hence cover the internal storage space so to avoid that you should clean up your unit regularly.
you’re free to use theClean Master appfor that very purpose.
you’re free to use the Dropbox or the Google Photos to store your media and documents.

And this can consume up lots of memory.
So better is to turn Automatic download off.
And whenever you lost any data then it will easily get revert back in your android.

But the case with devices working on low internal memory is that they can start showing some issues.
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