2 version upgrade restrictions
2.1 version upgrade restrictions
1, allows stable version B143 upgrade to this version.
2, allowing EM UI 2.3_H30-U10_4.7.1 stable version and later upgrade to this version.
2.2 OTA upgrade online
1, support from B146 OTA upgrade to this version.
2, support from EMUI2.3_H30-U10_4.8.1 upgrade to this version.
2.3 SD card upgrade method
1, B146 version upgrade SD card (SD card is mandatory upgrade):
Please upgrade package into the corresponding SD card dload folder, use direct volume + and volume after shutdown - and the power button while pressing the way into the SD card mandatory upgrade mode, and then release the button until the upgrade started.
Forced upgrade will erase your data, back up your important information before the upgrade.
2, upgrade and after the development version EMUI2.3_4.7.1 to EMUI2.3_4.8.16 method (SD card ordinary upgrade):
Please subcontract placed in the corresponding SD card dload folder, and then set up - phone upgrade - system software updates - this upgrade


3 Release Notes
3.1 Brief Description
Added memory clock tab
New desktop widget to increase reading to understand the entrance Features
Repair phone into the media player screen inside or DTS sound can not be displayed
Repair lock screen after clicking favicon favicon larger
Repair dial interface displays the name of the operator SIM card is inconsistent with the status bar
After the repair is not pop open the drop-down bar mobile data check box, open the dual SIM mobile data network of the incumbent re-search
Repair dual SIM card now reign off card 2, mobile data services directly to switch to card 1, did not prompt box pops up choose
Repair magazine lock screen picture classification update feature
FM does not stop playing when you enter the super power saving mode fixes
After receiving the phone in standby mode upgraded 4.4 version after repair phone calls, the phone screen to block the approaching light not light, bright screen when the phone hang
Repair data service is not turned on, after receiving MMS Click to download can not download the MMS
Repair has been a key to optimize the display does not correspond with the percentage of memory usage

3.2 updated list of each module
[System]
Added memory clock tab
New desktop widget to increase reading to understand entrance
Repair phone into the media player screen inside or DTS sound can not be displayed
Repair dial interface displays the name of the operator SIM card is inconsistent with the status bar
After the repair is not pop open the drop-down bar mobile data check box, open the dual SIM mobile data network of the incumbent re-search
Repair dual SIM card now reign off card 2, mobile data services directly to switch to card 1, did not prompt box pops up choose
After receiving the phone in standby mode upgraded 4.4 version after repair phone calls, the phone screen to block the approaching light not light, bright screen when the phone hang
Repair data service is not turned on, after receiving MMS Click to download can not download the MMS
Repair has been a key to optimize the display does not correspond with the percentage of memory usage

[ Mobile housekeeper ]
FM does not stop playing when you enter the super power saving mode fixes

[Lock Screen]
Repair lock screen after clicking favicon favicon larger
Repair magazine lock screen picture classification update feature