un SMS

a text message

→ uno
phrase Rare #40,374
a text message SMS is an abbreviation for short message service; in Italian it commonly refers to a text message sent to a mobile phone.
IT: Ti mando un SMS quando arrivo.
EN: I'll text you when I arrive.

Sergei Vitalievich, sua moglie le ha spedito un SMS.

Sergei Vitalievich, your wife sent you an SMS.

— How I Ended This Summer (2010)

Tom ricevette un SMS da Mary.

Tom received a text message from Mary.

Mi è arrivato un SMS sul cellulare.

I received a text message on my cell phone.

Manda un SMS a mia moglie.

Send a text message to my wife.

— How I Ended This Summer (2010)

Volodia, per favore, manda un SMS a mia moglie.

Volodia, please send a text message to my wife.

— How I Ended This Summer (2010)