Transferring files suddenly does not work anymore (even with another USB cable). When I connect the phone with a Notebook with USB cable auotmatically the window on the screenshot appears. When I touch the option in the middle (means something like "Transfer / copy / move files") the windows disappears but nothing happens (I cannot transfer files to / from the phone like it was before).
What could I do to make it work again?
What could I do to make it work again?
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