Lumia 625 Cyan India;
After the update, facing certain "slow" problem. My findings in 1 day use are noted below.
1. Music, videos and photos became too slow. it take lot of time to load the thumbs and to play.
2. App list thumbs take some time to load.
3. taping 'start' while using any app cause lag for loading main screen.
4. Switching between options in 'settings' became smooth and fluid than erlier.
5. Notification center is fast.
6. Battery perfomance improved.
overall: lags while multimedia tasks....