Sony recently announced Xperia Z3+ ( international variant) which will be available to global users from June on wards. The same flagship was released in UK today and the pre-orders were already up. Last month Sony released this flagship with the next iteration name-Xperia Z4 in Japan rather than Xperia Z3+
So, why there's another name for the same flagship ? Does Sony trying to follow the Apple strategy ? well, Sony made a statement with "The Inquirer" regarding this issue. Here's the official statement taken from the source.