You can check the real battery capacity packed in your device by typing *#*#7378423#*#* in your phone dialer. Then, Service tests -> Battery Health test.
My 2 day old Xperia Z reports 2370000 uAh which is 2370mAh, marginally higher than the specifications.
Go give it a try
My 2 day old Xperia Z reports 2370000 uAh which is 2370mAh, marginally higher than the specifications.
Go give it a try