After Asus, global brand Sony already gave the schedule in their showcase on the upcoming IFA 2015 in Berlin.
Thru the Sony Mobile Facebook, they posted thru this picture that they will start this September 2, 2015 at 10:45 PM (Manila time)
In a separate Facebook page status post, they posted some angles of might be their next Sony Xperia smartphone with that possible hint "Every change is the start of a new beginning".
Are we gonna see the rumored Sony Xperia Z5 and Z5 Compact in the said event. There are no info so far on the livestream link but expect an update on this blog post.