If you don’t understand Spanish, here’s the wording in English for the link http://album.claroargentina.com/es/legacy/login.jsp
You have received a multimedia message.
Here you can find out by entering the Msgid and Password received the text message.
Basically, it was so easy to retrieve your MMS. Just provide a message id with password and you’re done!
Quoted from Wikipedia:
Claro is the largest mobile phone network in the Americas. It is part of the Mexican telecom group América Móvil which is the fifth largestmobile phone network operator in the world, with more than 170 million customers. It serves clients in Argentina, Brazil, Chile, the Dominican Republic, El Salvador, Guatemala, Honduras, Jamaica, Nicaragua, Paraguay, Peru, Puerto Rico and Uruguay. It has also been licensed to operate in Panama. América Móvil’s operations Colombia and Ecuador are supposed to be rebranded as “Claro” in the future as well. “Claro” may mean “bright”, “clear”, “clearly” or “of course”, in both Portuguese and Spanish.