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I've just bought a TvBox with Android 10 in it, and i've soon discovered that no app can write on the external HDD/flashdrives i attach to the USB port (seen as /storage/<long_number_here> ).

This is a problem 'cause the internal storage of the TvBox isn't enough for the apps i want to use (KODI is a good example: it generate a lot of thumbnails, taking up much space, but i can't configure it to use the HDD folder 'cause it can't write to it) or 'cause i'd like to use a wifi connection to update the files in the HD (the file manager which provide the connection cannot do anything on the HD).

While i'm not an android/linux expert, i'm not afraid on using ADB, rooting the device if necessary, etc, so i'm asking what should i do to obtain writing permission on every external device i may plug in the USB port.

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  • Sadly, i don't have any of that options in my developer options. I have one that says (translating from italian to english, sorry) "do not keep activities (delete any activity once interrupted by the user)" and "Force autorisation on external memory (allow the installation of whatever app on the external memory, no matter manifest values).
    – Parduz
    Jan 2 at 21:55
  • "Force autorisation on external memory (allow the installation of whatever app on the external memory, no matter manifest values)"
    – alecxs
    Jan 2 at 22:13
  • @alecxs, This does not work. File manager still can't write on external disk.
    – Parduz
    Jan 3 at 10:11
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    @alecxs: NO APP can write on the external drive(s), not just the file explorer (which is Xplore). Even the internal file manager. I've never seen that dialog in this TvBox (even with my trusty old version of ES File Explorer, which i use from years on every cell i own): i was expecting it, but it never appeared. Seems that i fall in the case mentioned here: lonelycatgames.com/docs/xplore/known-problems/… I have no "files" app (as mentioned in the "Why writing doesn’t work" chapter).
    – Parduz
    Jan 3 at 18:12

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