[Phone]
Optimization – Optimized dial pad to work more smoothly (07-21)
Optimization – Optimized launching speed of dialing page (07-21)

[Messaging]
Optimization – Optimized report fraudulent messages prompt page UI (07-20)
Fix – Blocked messages were not marked as read in Messaging list after viewing them in Blocked SMS folder (07-20)
Fix – Screen might flicker when Messaging app was opened (07-21)

[Gallery]
Optimization – Start page images launching speed (07-21)
Optimization – Optimized smoothness of images lists page (07-21)
Optimization – Reduced RAM usage when viewing images lists page (07-21)
Optimization – Optimized interactive effects of People albums change name dialog box (07-21)
Optimization – Enhanced Gallery launching speed (07-23)
Fix – Sometimes, start page images were ordered incorrectly (07-21)
Fix – Some cloud albums could not be synced to phone when switching Mi accounts (07-21)
Fix – Slowness in finding projection devices (07-23)

[Music]
Optimization – Reduced RAM usage (07-21)
Fix – Local playlists were unresponsive (07-21)

[Backup]
New – Backup feature for Mi Pad (07-17)
Optimization – Optimized Camera backup prompt text (07-17)
Fix – Sometimes, local backup files could not be recognized on computer (07-17)

[Market]
Optimization – Optimized launching experience and overall performance (07-20)
Fix – App store tab displayed incompletely in some devices and could slide (07-20)
Fix – White screen error when launching App store in some situations (07-22)

[Calendar]
Optimization – In event editing page, renamed the second Reminder as Reminder 2 (07-21)

[Data Usage]
New – Support choosing from several amounts for lockscreen data usage warning (07-20)
New – View connection speed details in 'Test network' (07-20)

[Notes]
Fix – Sometimes, keyboard showed in start page incorrectly (07-22)

[Security]

****Installation****
Copy Zip To Your SD Card
Go To Recovery
Wipe Data and Factory Reset
Wipe Cache
Wipe Dalvik Cache
Install Zip From SD Card
Choose Zip From SD Card
Slect Download Zip
Install it
And Reboot