The latest Xiaomi MIUI 7.1 is now being rolled out, available for download in India, Indonesia, Philippines, Brazil, Singapore, Malaysia, HongKong and Taiwan.

List of devices that supports the MIUI 7.1 update: Mi 2/2S, Mi 3, Mi 4, Mi Note, Mi 4i, Redmi Note 4G, Redmi 2 / Prime, Redmi 1S, Redmi Note Prime, Redmi Note 2, Redmi Note 3G, and Mi Pad.

MIUI 7.1 Change Log:

System
Optimization – Clean up shortcut supports cleaning apps’ cache (09-15)
Optimization – Apps locked in recent task page will not be closed by system when remaining RAM is low (09-15)
Fix – Verification messages might be sent automatically (11-15)
Fix – Google keyboard was missing after update (11-26)
Fix – System partition did not have enough space (11-26)

Lockscreen, Status Bar, Notification Bar
Optimization – In DND mode, for incoming calls with screen turned off. There will be a green bar on the top after waking the screen (09-07)
Optimization – Reduced status bar RAM usage (09-15)
Optimization – Support setting lockscreen and floating notifications separately (11-02)
Optimization – App notifications page displays blocked apps first (11-02)
Optimization – Support changing wallpaper from top right corner in lockscreen when daily lockscreen is enabled (11-11)
Fix – SIM card displayed abnormally after restarting the status bar (09-07)
Fix – Sometimes, notifications’ order changed automatically in Notification shade (09-15)
Fix – Music widget play/pause button had error in some situations (09-15)
Fix – Sometimes status bar disappeared (09-15)
Fix – Sometimes, Mi Band icon disappeared from status bar (09-22)
Fix – Sometimes, there was no response after pressing lockscreen notifications (09-22)
Fix – Connection speed in status bar overlapped when using XXL text (09-22)
Fix – Screen could not be waken up while loading themes (09-30)
Fix – Combined password could not be entered when exiting Child mode/Private folder (10-29)
Fix – Pushing blank sides in a floating notification could not fold it in landscape mode (11-02)
Fix – Sometimes WiFi connection was recognized as portable hotspot (11-05)

Home screen
Optimization – Enhanced home screen smoothness and speed of opening folders (09-15)
Optimization – Unified third party apps’ launching animation (09-16)
Optimization – Apps’ content will not show in Recents tray when ‘Lock apps’ is enabled (10-13)
Fix – Adding Cleanup function shortcut caused home screen to FC (09-10)
Fix – Display error when using images taken by the device as wallpaper (09-14)

Music
New – Audio settings support Mi Piston earbuds color edition (09-02)

File Explorer
New – Added private folders (10-20)
New – Support listing starred files by editing time (11-03)
New – Support adding folders to private folder (11-09)
New – Allow selecting restore path when disabling private settings (11-09)
New – Support moving files in private folder (11-18)
New – Private folder supports file name encryption (11-18)
New – Added space clearing prompt for phone management (11-18)
New – Support setting default video player (11-18)
New – Support adding File Explorer shortcut to home screen (11-18)
Optimization – App more compatible with custom themes (09-08)
Optimization – Optimized images display method (11-03)
Optimization – Progress status display method of compressing/decompressing etc. (11-03)
Optimization – Changed Mi Drop category page default ordering method to descending by time (11-03)
Fix – Thumbnails are not displayed in searching result (11-03)

Browser
Optimization – Greatly enhanced Browser start page launching speed (11-17)

Calendar
Optimization – Optimized app widget style when using different font sizes (09-08)
Optimization – Card view style for displaying events (10-29)
Fix – SwiftKey keyboard could not input Chinese in Calendar app (09-15)

Clock / Calculator
New – Support closing the next alarm clock only when turning off repeat alarm clocks (10-22)
Optimization – Added vibration when pressing the options at the bottom of clock page (09-16)

Mi Drop
New – Added Mi Drop to help transfer files between phones (09-28)
Optimization – Long press on Mi Drop toggle will direct to usage help page (10-14)
Optimization – Increased file transferring speed (10-20)
Optimization – Processing mechanism when the receiver does not have enough space on their device (10-20)
Optimization – Animated effects when scanning (10-28)
Fix – Sometimes files failed to be transferred (10-13)
Fix – Sometimes app crashed while scanning (10-14)

Security
New – Added ”Connection’ shortcut in security to view each app’s realtime connection speed (10-26)
Optimization – Increased check process efficiency (10-27)

Cleaner
New – Recommendation page after clearing trash (10-20)
New – Clearing animated effects (10-20)

Battery Usage
Optimization – Low battery warning message will not pop up when there’s an incoming call (10-12)
Optimization – Optimized the prompt text when power on and off time are set as the same (11-17)

http://en.miui.com/thread-204184-1-1.html