55.0.A.2.314 change log from xperia china team（google translate) ：
- UI is smoother, especially unlocking animation
- Camera image processing capability is accelerated
- 60fps video recording has no harsh sound now.
- The fingerprint recognition rate has been steadily improved
- top and bottom speaker volume balance now
- China region phone APP crash problem solved
Real life review from some chinese user after 5.0.A.2.314 update （At least more than three people said each comment）
still no 21:9 camera mode
top speraker has cracking sound
Camera image processing now from 7 seconds change to 4 seconds
Camera turned on speed still very slow
Speaker still cracking sound while turning volume up or down
/t5/Xperia-1/xperia-1-speaker-cracking-sound-while-turning-volume-up-or-down/m-p/1381355#M1910
Album now sometimes stuck a minute
Fingerprint recognition little faster but still not good as previous model
Some users say it's worse，Some say it is not working at all after update
Smoother ui
Some app can full screen now which can not before
Some app lagging when open
2X zoom more digital zoom issue not sure fix or not
I'm hongkong firmware did not receive the update yet, can not test,hope get sooner
