Sonny Aqua M2 auto rotate fuction does not function every time after making calling a voice call since the first day of usage?
A longer call causing this. After you restart your phone, it will works again.
See here:
https://talk.sonymobile.com/t5/Xperia-M2-M2-dual-M2-Aqua/Xperia-M2-Auto-rotate-isn-t-working/td-p/946414