The alleged successors of Sony Xperia Z3 Compact (D5800 series) and Xperia Z Ultra (C6800 series) were spotted in an Indonesian Telecom regulatory list. Based on the certification dates, the Xperia Z4 Compact and Xperia Z4 Ultra are expected to debut in the near future.
Sony E5803 model number corresponds with the successor of the Z3 Compact D5803 and will likely be dubbed Xperia Z4 Compact. Similarly, E6683 and E6883 model numbers could be the follow up to the Xperia Z Ultra C6683/C6803.
Wow im excited about Z4 Ultra ^_^ ,by the way is that Indonesian Certificate ? since that is indonesian languange haha :D
I had the xperia S,Z,J,U . I like them... the Xperia Z Ultra I had for an Year before I gift it to my brother. Cant wait to have the Z4 ultra. the only thing which annoyed me was there was no LED with camera... other that the Xperia Z Ultra was a Per...
Z4 will be worse than the z3 In a few departments. Cpu and battery being the main ones. 810 Cpu us is having massive performance and throttling issues.