The last Android 4.4 KitKat update for newer Xperia devices should actually improve operation and interface, was also a bug with it: for some users, the Smartphones confused internal and external speakers with the new software. Now, a quick update to follow, that eliminates from the error.
A week after release the new Android 4.4.2 KitKat firmware Sony Japanese manufacturer responds now according to the Xperia blog on the sound problem. Next week, so as of April 7, 2014, the affected devices should be fitted with an update. When it reaches the respective local markets and mobile service provider, will show up then.
Errors Can Lead to Missed Calls
For some users, the audio output of the Smartphones since the update is disturbed. Note melodies for incoming messages or calls are issued on the earpiece rather than on the external speaker. As a result, owners of the Z1 an Xperia, Xperia can Xperia Z, Z1 compact ultra fast SMS, E-Mails, chat notifications or phone calls Miss. A quick solution to the problem through Sony mobile communications but now is on the way and will hopefully create the error from the world.