JIAYU G2F MIUI v5

 [Lockscreen, Notification shade, Status bar]
 Fix – The security hole that users didn't need to confirm the old password while setting a new password

 [Music]
 New – Support AirPlay wireless speaker

 [Security]
 New – 'Ignore data usage' option added to make data statistics more accurate

 [Scanner]
 Fix – Some severe bugs

 [Home screen]
 New – MIUI Market apps downloading/Installing status will show in home screen
 ATTENTION – Not working with Google Play

 [Gallery]
 Optimization – Enhanced image viewing speed
 Fix – Supporting sending videos to cloud albums
 Fix – App would FC when adding an image from Xiaomi WiFi Router to cloud albums

 [Music]
 Optimization – New higher quality music purchase page. Support purchasing for a quarter or a year

 [Browser]
 Optimization – Optimized cache mechanism

 [Phone]
 Fix – It was slow to register to WCDMA network in booting up in some areas

 [Gallery]
 Fix – Sometimes Gallery would FC when opening pictures from a third-party app

 [Mail]
 Optimization – There will be a reminder if a mail was not sent out
 Optimization – The add attachment button will always show in the mail composing page
 Fix – Could log into a same account repeatedly
 Fix – Sometimes there were mistakes in folders number counting if there were several accounts
 Fix -  Attachments would continue downloading after pressing stop
 Fix – Sometimes could not forward mails with attachments
 Fix – Errors in signature UI after saving a mail as draft
 Fix – App might exit abnormally when editing account name

 [Browser]
 New – Support pulling down to refresh cloud tags
 New – Sync history and Sync webapp functions added
 Fix – It would still automatically fill in usernames after clearing the saved passwords

 [Calendar]
 Fix – Could not open calendar if not logged into a Xiaomi account

 [Messaging]
 Optimization – Optimized UI of Notification messages. Support viewing messages by types by pulling down

 [Gallery]
 New – Press the blank area to add pictures when Cloud images page is empty
 New – Support editing pictures in cloud albums
 New – Support pinching to return to image list when viewing pictures in full screen

 [Mail]
 Fix – Some POP accounts could not log in
 Fix – ZIP attachments did not automatically open after downloading
 Fix – Using 'Sort by' in searching results may cause FC
 Fix – Could not send mails by clicking the email address in contact details page

 [Browser]
 Fix – Some webpages said password was not filled in after auto-fill
 Fix – Some webpages didn't zoom in/out by double press

 [Messaging]
 Fix – Homescreen popup window did not show incoming messages' content

 [Mail]
 New – Added 'Resend all' function in Outbox
 Optimization – Enhanced speed of batch operation
 Optimization – Exchange account login procedure
 Fix – Sometimes app would FC when deleting mails by swiping to the left
 Fix – Sometimes it would report error when sender box is empty

 [Browser]
 Optimization – Optimized Text magnifying glass when selecting texts in a webpage.
 The content near the selected area will also be shown in the magnifying glass

 [Virus Scan]
 Fix – ‘Pause’ button did not work when scanning

 [Messaging]
 Optimization – Support recognizing time information in a message and adding it to Calendar

 [Weather]
 New – Added two weather types: Freezing rain and hail

 [Settings]
 Fix – Incoming calls from people in the exceptions list of DND did not ring

 [Calendar]
 Fix – Sometimes app would FC in opening

 [Blocklist]
 Fix – DND exceptions list and Blocklist exceptions list caused conflict

 [Clock/Calculator]
 Fix – Sometimes alarm clock delayed in ringing

 [Mi Cloud]
 Fix – After choosing Do not merge in the popup window of merging Mi Cloud data, it did not direct to the next step

[Messaging]
Optimization – Show pop-up notifications when clicking URL in MMS
Fix – Sometimes app might FC when enabling cloud messaging in Mi Cloud

[Lockscreen, Status bar, Notification shade]
New – Number of an app's notifications shown on it's icon supports third-party customization
Optimization – Icons of toggles in the Notification shade
Optimization – Status bar style
Optimization – Do not support swip down gesture for floating notifications

[Home Screen]
New – App names and other home screen elements will automatically change colors with wallpapers
New – Support auto-filling blanks after batch deleting icons in home screen editing mode
Fix – Sometimes, icons were repeated
Fix – Sometimes, icons in the Dock were in wrong order

[Music]
New – Support syncing songs to Mi Cloud (Settings – Mi Cloud – Music)
Optimization – Use high definition pictures in the online music details page
Fix – Incorrect round corners in the online music details page

[Weather]
Fix – Bottom half of the main page was blank

[Mail]
Optimization – Mail Login page
Fix – It would go back to the homescreen after logging into account
Fix – Receiver names in the Cc box might show unrecognizable code
Fix – Receiver names might show unrecognizable code
Fix – Incorrect form in the composing email page

[Browser]
New – Show searching results in a new page after choosing Find in page for selected text
New – Data saving mode
New – Online page text font will change with theme font
New – Support WML page
Optimization – New kernel supports system theme font
Fix – Music would continue playing after being discontinued

[Calendar]
Optimization – Month view style
Fix – Incorrect page form when creating new events
Fix – App would FC when clicking on the location in an event
Fix – Sometimes, page moved slowly when swiping

[Other]
Fix – Sometimes com.xiaomi.eventreceiver would crash

[Security]
Fix – Incorrect system storage  in Cleaner – Advanced

 [Music]
 New – Optimized online music page

 [Security Center]
 New – New version of Blocklist
 Optimization – Clicking the 'Not enough system storage' notification will go to 'Cleaner – Advanced' directly

 [Messaging]
 Optimization – When writing a new message, cursor will automatically go to text box after choosing a contact
 Fix – App might FC if chose contacts repeatedly when writing messages
 Fix – Cannot delete MMS after failed to download its content
 Fix – Mistakes in showing 'From XX' in the Starred page
 Fix – Choosing 'Top up now' after receiving the phone bill for SIM card 2 would show the number of SIM card 1 by default
 Fix – Notification messages' avatars didn't change with themes

 [Calendar]
 Fix – Sometimes, loading data might cause FC

 [Contacts]
 Optimization – Simplified display method of WeChat/Google+ accounts etc. in contacts detail page
 Optimization – Set QQ as default IM when adding a new contact
 Optimization – When sending contacts information using SMS, the contact's recently used number will be marked
 Fix – Sometimes, opening unnamed contacts would cause app to FC
 Fix – Some characters blurred in the add new contact page
 Fix – Form error in contacts settings page
 Fix – Call logs could be seen in Guest mode
 Fix – When managing SIM contacts, the app might FC if you reenter it after exiting by pressing the Home button
 Fix – When adding an extension number to contacts after calling it, the number would show incorrectly
 Fix – If set a contact's birthday to February 29 without choosing the year, it would show as March 1

 [Lockscreen, Status bar, Notification shade]
 Optimization – If a theme needs to unlock by swiping upward, the upward arrow wouldn't show
 Optimization – Added gradual black change when there's no lockscreen password
 Optimization – Transition animation of Notifications page and Toggles page

 [Home screen]
 Optimization – Optimized icon size
 Optimizaiton – Icon shadow is turned off by default
 Fix – When searching apps in the dock, the app's icon didn't show completely
 Fix – Sometimes, icons couldn't be moved to the right of the dock

 [Gallery]
 Fix – After user upgraded versions, app would FC

 [Weather]
 Optimization – Optimized UI for extremely hazardous AQI

 [Mail]
 Optimization – New version of MIUI Mail

 [Calendar]
 Fix – The screen wouldn't turn off after being waken up by pop-up reminder
 Fix – Sometimes, the homescreen widget showed months incorrectly

 [System]
 Fix – Open SSL security flaw

[Messaging]
Fix – When browsing slide list page, opening guest mode would cause FC
Fix – “Send” button display error when the text message is too long
Fix – When reboot the phone after setting timed message, the button to remind user to resend the message displays wrong
Fix – When dialing a number from SMS details page, the input method keyboard would not retract

[Camera]
Optimization – Improved the color of photos taken using camera flashlight

[Gallery]
Fix – Sometimes, pressing the Menu button in album would cause app to FC

[Music]
Fix – Sometimes, music widget would display wrong song information and playing status
Fix – After skipping, playing song and display information did not match

[Security Center]
Optimization – Improved Advanced cleaner

[Home screen]
 Fix – Sometimes icons on Home screen would overlap
 Fix – Sometimes app icons would disappear at the Preview Home screen view
 Fix – Sometimes, apps in the dock would display in the wrong positions

[Contacts]
 Fix – Sometimes, adding an unrecognized number to a contact app would cause FC
 Fix – In a messaging conversation, after touching a contact’s portrait to view their details, touching the back button would bring user to Contacts list

[Calendar]
 Optimization – Pop-up calendar notification sound will repeat until user touches ‘Snooze’
 Fix – Pop-up notification format issue
 Fix – Issue with widget display on Home screen

[Music]
 Optimization – Notification for when user touches play when library is empty
 Fix – Sometimes, music controls were not responsive at lock screen

[File Explorer]
 Optimization – Filename suffix will not be selected by default when renaming a file

 [Contacts]
 Optimization – When sending a contact's namecard, you can choose "My profile"
 Fix – When adding an unknown number to contacts, if the number was too long it couldn't be added
 Fix – When accessing Contracts from the Home screen, there was an issue with the screen transition
 Fix – Sometimes, the Settings button in the Contacts menu wouldn't respond
 Fix – Sending a namecard to merged contacts might create duplicate cards
 Fix – Sometimes contacts would fail to import from SIM card
 Fix – When exporting contacts, notification display was truncated
 Fix – When entering the dialpad from other apps, no location was displayed
 Fix – Issues with importing contacts from SIM card to Mi Account
 Fix – Contacts imported from USIM couldn't be deleted
 Fix -When importing contacts via Bluetooth, "Cancel match" might cause FC

 [File Explorer]
 Fix – After file was renamed, a file with the original name would still appear

 [Messaging]
 Fix – At text conversation screen, touching notification to enable Cloud Messaging would cause FC

 [Music]New – MIUI music database expanded
 Fix – When playing in songs shuffle mode, when song was added to the now playing list, it might not play

 [Weather]
 Fix – After 6PM, the temperature high displayed was actually the high for the following day
 Fix – Sometimes location feature couldn't be disabled

 [Security Center]
 Optimization – When cleaning up, improved animation for objects being added to the exceptions list
 Optimization – In the cache section under Clean up, secondary options are automatically enabled

 [Contacts]
 Fix – Sometimes entering Settings would cause FC
 Fix – When deleting an account, the number of unsynced contacts displayed in notification message was incorrect

 [Messaging]
 Fix – When creating a new message, selecting a recipient with a long name would cause the text box to display incorrectly

 [Security Center]
 New – New version of Data usage monitor, redesigned UI, and new features
 New – Permissions manager kernel upgraded to LBE V3
 Optimization – Faster cache clearing and virus scan

 [Weather]
 Optimization – Air quality measuring station info added
 Fix – Sometimes user couldn't disable auto-locate function
 Fix – Sometimes tapping air quality details would cause FC

 [Themes]
 Optimization – Smoother scrolling for lists
 Optimization – Descriptions in Theme Store now support multiple languages
 Optimization – List view takes up less memory
 Optimization – Notification when user's limit of authorized devices is exceeded
 Fix – Sometimes themes had system permissions issues
 Fix – Sometimes, when changing between Paid and Free themes lists in the Themes Store, content would display incorrectly

 [Video]
 Optimization – On the "Shared devices" list, devices you've connected to previously are marked
 Fix – Sometimes favorites wouldn't sync automatically

 [Contacts]
 Fix – Deleted contacts would still display
 Fix – SIM card contacts would overlap

 [Messaging]
 Fix – When user was using Cloud Messaging, first message would be sent as a regular text message

 [Music]
 Optimization – Equalizer is only adjustable when headphones are connected

 [Notes]
 New – Added undo feature
 New – Added redo feature

 [Gallery]
 New – When deleting non-system albums, user will be asked whether or not they want to delete system albums as well

 [Weather]
 Optimization – New UI arrangement for location name on main screen
 Optimization – Warning icon is now displayed in the status bar

 [Video]
 Fix – When data connection changed, app would stop responding
 Fix – Sometimes when choosing an episode, app would FC

 [Home screen]
 New – Tap indicator on Home screen to jump to corresponding Home screen

 [Recorder]
 New – Recorder backs up recordings automatically to Mi Cloud
 New – Recordings are not visible in Guest Mode

 [Security Center]
 Fix – In Power settings, the Apps power consumption list was displayed incorrectly
 Fix – Clciking "Power usage" might cause reboot

 [Video]
 New – Video player supports anthologies
 New – Faster switching to next episode in Video Player

 [Weather]
 New – If Weather app can’t access certain air quality data, the corresponding index will be hidden
 Optimization – The Weather app can be further customized with themes
 Optimization – When user taps the update button on the main screen, location is also updated

[Lock screen, status bar, notification shade]
 Optimization – When SIM card hasn't been inserted, status bar shows 'SIM card not inserted' icon
 Fix – If user received a new notification while pulling down the notification shade, the shade would freeze

[Home Screen]
 New – After uninstalling apps, icons on the Home screen can be sorted out automatically to fill the vacancy
 Optimization – When changing wallpaper in “Edit Home screen”, wallpaper can also be applied to lock screen

[Messaging]
 Fix – Sometimes, in Airplane mode, Messaging app would FC
 Fix – Sometimes Cloud messaging wouldn't work

[Security Center]
 New – Scheduled reminders for Trash clean up
 New – When installation of a new app fails due to insufficient storage space, Security Center reminds user to clean up Trash
 Optimization – Default reminder time for Trash clean up set to 3 days

 [Calendar]
 Fix – When switching languages, user was not able to switch time zones properly

 [Security Center]
 Optimization – After you exit Do Not Disturb mode, unread indicators will be cleared 
 Fix – Sometimes virus scan would FC

 [Video]
 Optimization – Merged Video and Video player apps
 Fix – When playing video on a DLNA device, the name displayed by the Video player and the name displayed in the list were different

 [Weather]
 Optimization – Notifications for weather forecasts are enabled by default
 Fix – Sometimes weather data would not be displayed in the correct language after user switched system languages

[System]
Fix – Pressing the Power button lightly will turn on the phone
Fix – Opening FM radio without a headphone may make recording calls unresponsive

[Contacts]
New – Delete batch call logs (Open “Keypad” , press “Menu”, click “Delete batch” and select the call logs you want to delete?)

[Homescreen]
Fix – Widgets cannot completely show when added in MiSpace

[Themes]
Fix – Sometimes Themes app  FC

[Camera]
Fix – MMS videos blur

[Music]
Optimization – Cannot download higher quality music immediately after purchasing

[Weather]
Optimization – Location function for cities outside mainland China
Fix – The same weather alert appears repeatedly in Notification sheet

[Video]
Optimization – Enhanced loading speed of video lists
Fix – No respond when decoding PCM audio files
Fix – Cannot play vob files
Fix – Video app FCs after it fails to analyze file path
Fix – Sometimes cannot load the posters of online videos

[Home screen]
 Optimization – Other system apps are allowed to delete shortcuts
 Optimization – Ripple effect after user releases long press on an icon

 [Contacts]
 Optimization – Groups added to Contacts main page

 [Downloads]
 Fix – Sometimes downloaded files would not display app icons

 [Gallery]
 Optimization – SMB guide and icon
 Optimization – Cloud album upload detection logic

 [Music]
 Fix – On the main page, touching "Get song info (ID3)" multiple times would cause FC

 [Security Center]
 New – When user is clearing garbage, they can tap garbage files to view, clean, or lock
 New – Clean up can now detect empty files
 New – User can set up shortcuts for different actions on the Home screen
 Optimization – "Power save" control flow

 [Themes]
 New – User can view list of themes that they have already purchased
 Optimization – Memory use optimization for previewing wallpaper
 Optimization – Smoother animation for slide action on the comments page
 Fix – Recommended portion at the bottom of the Featured page would disappear
 Fix – The corresponding theme frame for the clock on the "My" page and on the Home screen would disappear
 Fix – Sometimes applying a theme would cause app to FC

 [Weather]
 Optimization – Updates automatically when connected to network
 Fix – Sometimes duplicate weather advisory warnings would be sent

 [Video]
 Optimization – My videos list now displays types
 Optimization – Merged cached offline video playback and streaming online player histories
 Fix – Sometimes, videos' (in the Notification shade) cached notifications would disappear
 Fix – Sometimes, when watching a live stream, phone would lock automatically
 Fix – Sometimes, advertisements would prevent videos from playing
 Fix – No thumbnails for cached offline videos

 [Messaging]
 Fix – Marking all notification messages as read will not affect private messages anymore

 [Gallery]
 New – Move pictures to other albums
 Fix – Some bmp pictures with the jpg. extension cannot be set as wallpaper
 Fix – Sometimes there's no response when download original pictures or videos

 [Music]
 New – Support using MiCredits to buy higher quality online music

 [Weather]
 Fix – Weather widget cannot update timely after deleting locations in weather app
 Fix – Some themes cannot get weather data

 [Downloads]
 New – Added Xunlei engine, increasing downloading speed by 70%

 [Video]
 Fix – When watching online videos, connect device with computer will cause the video to reload
 Fix- Sometimes offline videos cannot pause (12-31)
 Fix – When downloading offline video, click on the video name on status bar will not lead to the correct video