Perhaps unsurprisingly so, the upcoming HTC Butterfly 3 is said to be exclusive to the Asian markets. This information comes from the upleaks Twitter account.
BUTTERFLY3(B3) will be exclusive to Asian markets.— @upleaks (@upleaks) March 30, 2015
The Butterfly series has mostly been intended for the Asian markets, with both the previous phones launching in Asia first and then had a limited release elsewhere. The Butterfly 3, too, is said to launch in Japan first but will then likely be available in some other markets, such as India. If you're outside Asia, however, you likely won't see that phone in official form but HTC might have some similar variant for you.
Making em jealous. lol.
I live in Sweden and ordered my BUTTERFLY 2 from Taiwan. It is great and working with all available network and it has swedish language installed on it. And now it's runs in lollipop. Really great phone, looking forward to buy BUTTERFLY 3.
I think the butterfly 2 only works with EE and 3 (at the moment) with LTE, though 3G works with all networks. The camera is only 13mp but really good quality. It is still on Kitkat though, I heard an update to Lollipop is happening next month.