I recently bought the Hongmi in China. I have 2 SIM cards: 1 china mobile and 1 AT&T (from USA with unlimited international data). It works flawlessly in China, I love it. However, I went to Hong Kong yesterday and it didn't work at all. Obviously, the China SIM card wouldn't connect. But the other card appeared to connect to 3G, but I could not access the internet or anything. My question is, is the phone locked to only work in China? Is it possible to unlock it? I plan to travel to Italy and USA next week, will it work there?