Sony Xperia Z4 offers just an incremental upgrade which is Snapdragon 810, this is what the reports from Japan say. They also stipulates that it is not the flagship smartphone in 2015.However the next flagship is in line, when, nobody knows, but the month of launch might be May. This is where we can infer why the Xperia Z4 did not have much fanfare, because the company is launching it only for home market and might not as flagship global model.There are no details on the upcoming flagship as yet but previous rumors indicate that there will be resolution bump with improved Android OS and proprietary apps.Till now the rumors claims the unveiling in May, now watch and wait which is the global and more advanced smartphone of LG.

Sony Xperia Z4 is not the only flagship model, wait for the next month for new launch