I no longer have the original packaging.
'Più' in a negative sentence means 'any more'. Read it as non-ho-pyoo.
Say this proactively if you have disposed of the box. Many shops require original packaging for returns — knowing this upfront saves time. For defective items, packaging is usually not required by law.
'Non... più' as a negative adverb means 'no longer' or 'not... any more'. The full structure is non + verb + più. 'Confezione originale' is the fixed phrase for original packaging. Without it, shops may refuse a return for change of mind but cannot refuse for defects.
Ho buttato la scatola.
I threw away the box.
More direct about what happened.
Il prodotto è difettoso — la confezione non dovrebbe servire.
The product is defective — the packaging should not be needed.
Asserts your legal right.
Posso portarlo senza la scatola?
Can I bring it without the box?
Checks policy before making the trip.
For non-defective returns, most Italian shops require original packaging. However, for defective goods covered by the legal warranty, shops cannot refuse a return simply because the box was discarded.