MIUI ROM 3.3.8 Update Highlights
1. Optimized - display effect of entering contact details page
2. Added - page transition animation in Gallery
3. Optimized - "Pin" function in the menu of SMS details page

MIUI ROM 3.3.8 Full Changelog
[Contact]
Optimized - display effect of entering contact details page

[Messaging]
Optimized - "Pin" function in the menu of SMS details page
Fixed - private messages show in the SMS preview area of the lockscreen page
Fixed - in some cases, SMS cannot be deleted in the shortcut pop-out window
Fixed - no failed status of MMS sent through the network message 
Fixed - in some cases, SMS sending status sync failed
Fixed - SMS FC problem in some cases
Optimized - private messages will not appear in the collection of favorite SMS
Optimized - SMS attachment directory listing
Fixed - contact card does not display correctly in Favorite SMS

[Lockscreen, status bar, notification bar]
Optimized - expanded the "delete" key response region in the password lockscreen page
Fixed - password lockscreen time dislocation and loss of certain elements

[Desktop]
Optimized - desktop default layout
Fixed - quick switch has no shadow
Added - new global search

[Themes]
Optimized - perfect icon display effect in some third-party themes
Fixed - icon preview display issue in theme details page
Fixed - the default theme can still be applied while none module selected

[Camera]
Fixed - after taking a picture, the viewfinder face recognition cannot immediately start

[Gallery]
Optimized - added page switching animation
Fixed - image list page issue
Fixed - some users cannot open the gallery after upgrading to the new version
Fixed - FC problems in some cases

[Browser]
Fixed - FC issues while visiting a certain web site

[Video]
Fixed - video player will be cut rounded in full-screen playback