2.6.15 Changelog:
[System]
Fix darkened screen problems at the top of screen when shutting down phone
Optimized 12-hour time-phased by the "AM / PM" to "morning, noon, afternoon, evening, and midnight,"
Fix Phone process crashes due to being unable to connect the Bluetooth headset
Fix Baidu browser, select Other > Network Settings leads to FC
[Phone]
Optimisation of third-party calling, allow the proximity sensor to turn on or off the screen
Fix MMS message received (2G network) opening download item leads to problems
New setting for FDN dial-up, to prohibit import contacts from the File Explorer
Optimisation and updates to the attribution database
Fix call off Enabled from the sensor, resulting in being unable to be turned off by the distance sensor
[Contacts]
Added support to export / import contacts to SIM card
Optimise import / export settings logic
[Messaging]
Fix in some case the wrong session is displayed from the search results page
Fix search MMS does not return session results correctly
[Lock screen, status bar and notifications]
Fix setting the m-key cannot turn off the screen (lock screen)
Fix folding lock screen black block problems
[Camera]
Added support for SD card camera
Optimisation to improve quality and reduce noise
[Desktop]
Optimisation of desktop frame rate
Fix problem clicking on desktop clock widget did not open the desk clock app
[Themes]
Fix theme cannot be successfully applied to the dial-up interface (Reported by Pele Roberts)
Add new version of theme search UI to make searching themes more efficient
Fix problem applying desk clock widget theme did not apply theme
[Music]
Fix control bar, the song name does not update
Fix folder filter function errors
Optimise lyrics and song information is displayed simultaneously in the UI
[Gallery]
Fix problems with gallery library FC issues
Fix details page slide view for multiple pictures, the page location will still return to the list of images
Fix MMS, chat, or third-party applications failure or FC issues
Optimisation of picture list page and album list now uses new UI spacing
Fix in browse list of albums occasionally causes FC error
[Backup]
Added in 4.0 to restore a 2.3 backup package, supports restore of the desktop layout
Fix "full upgrade" button repeatedly clicking
[Settings]
Added support to control keyboard capacitive lights
[Guard / DND]
Optimisation of SMS keyword (spam) filtering rules
[System Updater (OTA)]
Fix issue in Download Manager when download via Wi-Fi only is enabled, clicking on the update button will prompt wether to use data connection to download
[Notes]
Optimisation for lock screen sticky notes to remind, ringtone does not ring
[Alarm Clock]
New switch controls such as quasi-physical vibration effects
Fix alarm clock cannot be canceled or delayed (Snooze)
