Xperia Z5

Sony Xperia Z5 Compact Premium is a Japan-only variant with 1080p display

All three handsets offer several key improvements over the Z3 and Z4 series, and their arrival is easy the biggest news of IFA 2015. However, what you might not know is that Sony actually has a fourth Xperia Z5 family member on the way, at least according to the China-based tech site CnBeta.com.