The Sony Xperia Z4 could be rebranded as the Xperia Z3+ outside Japan

While rumors suggest that the Sony Xperia Z4 is intended to be exclusive to Sony's home market of Japan, a recent leak reveals that the smartphone could be re-branded as the Sony Xperia Z3+ for international markets. The news comes as the official white paper for an official Sony Xperia Z4 accessory called the "Sony SCR30 Style Cover Window case for the Xperia Z4" lists two devices as being compatible with it. The first is the Xperia Z4, and the second is a currently-unannounced smartphone called the Sony Xperia Z3+.

This could mean that the Xperia Z4 as we know it ...