There was a time when if a Sony Xperia phone appeared on the Indonesian Postel website (this is the telecom regulatory authority in the country) it would have revealed the name. The Postel website had a 100% success record on revealing the names of new Xperia models ahead of time. Well Sony must have had a word with them, because nowadays the only thing revealed on the website is the model number. Step up the ‘Sony D5503’ or what we know will be the Xperia Z1 mini. There’s no hint of a name, but its sheer presence on the website could indicate that it will launch within a couple of months.