1 Release Notes
1.1 adapter models:
the glory of 3C (H30-U10)
1.2 Notes:
1. The EMUI 2.3 upgrade EM UI 3.0 is a large baseline upgrade, we will use double clear upgrade, users will be cleared data before upgrading please make a backup of important data and applications.
2, please read carefully before Brush Brush tutorial and backup personal data, to avoid the risk process brings.
3, this version applies only to the above adaptation models, other models are not supported.
4, in the brush or use of any need to help and solve the problem can go to EMUI forum for support.
5, in order to ensure the stability of the system, it is recommended not to use a third-party tool to get ROOT privileges.
6, in order to ensure the safety of users brush on version upgrades and rollbacks to do certain restrictions.

2 version upgrade restrictions
upgraded 2.1 version limit
1, allowing developers to version 4.10.16 SD card upgrade to this version.
2.2 version rollback limit
1, allowed to fall back to this version 4.10.16.
2.3 corresponds to the subcontracting limit
1, of which only allows the developer version C00B246SP02 subcontract through the SD card using the upgrade.
2, the use of which allows the user to fall back after subcontracting version 4.10.16.
3, the subcontract Address: http://dl.vmall.com/c0acjgmruf
2.4 SD card upgrade method
1, allows developers to version 4.10.1 and 4.10.16 SD card upgrade to this version (SD card is mandatory upgrade):
Please corresponding to the SD card into the SD card dload package folder, using direct after shutdown volume + and volume - and the power button while pressing the way into the SD card mandatory upgrade mode until the update starts and then release the button.
Mandatory upgrade will erase your data, back up your important information before the upgrade.
2, allows the developer version 4.10.1 and 4.10.16 SD card upgrade to this version (SD card ordinary upgrade):
Please corresponding SD card into the SD card dload package folder, then Settings - Phone Upgrades - System Software Update - Local upgrades.
2.5 SD card fallback method for
a rollback 4.10.16 version upgrade SD card (SD card is mandatory upgrade):
(1) Set the corresponding subcontract into the SD card dload folder, then Settings - Phone Upgrades - System Software Update - Local upgrades.
(2) Step 1 upgrade is complete, and then fall back to using a forced upgrade version 4.10.16:
the 4.10.16 version of the SD card into the SD card upgrade package dload folder, use the volume + and volume directly after shutdown - and the power button while pressing the way into the SD card mandatory upgrade mode until the update starts, then release the button.
Mandatory upgrade will erase your data, back up your important information before the upgrade.

3 Release Notes
3.1 a brief description of
the new simple drop-down, two-dimensional code contact cards, cameras in the gallery page easily expanded to facilitate further action.
Added to provide services related to the contact information, such as China Unicom's contact card provides a direct investigation of telephone calls and other information.
New built-in 12 class life service information inquiry, to support the national 274 cities enjoy Yellow Pages queries, and will continue to increase.
Added to emphasize the convenience of life, consumer diversity, such as support for buying movie tickets, find food, charge calls, and so on.
New songs song identification feature, a few seconds to recognize the surrounding tempted songs and lyrics download synchronous implementation in the machine.
New lock screen and the desktop interface can also display lyrics, without entering the music player to view.
New geographical landscape and rich cultural customs lock screen photo magazine content, are not tempted away by using fragments of time enrich our lives.
Once the new phone lock screen, application synchronization lock, protect user privacy data.

3.2 Each module is an updated list of
features] [system
features new songs know the song, a few seconds to recognize the surrounding tempted songs and lyrics download synchronous implementation in the machine.
New lock screen and the desktop interface can also display lyrics, without entering the music player to view.
New geographical landscape and rich cultural customs lock screen photo magazine content, are not tempted away by using fragments of time enrich our lives.
Added a simple drop-down, two-dimensional code contact cards, cameras in the gallery page easily expanded to facilitate further action.
Added to provide services related to the contact information, such as China Unicom's contact card provides a direct investigation of telephone calls and other information.
New built-in 12 class life service information inquiry, to support the national 274 cities enjoy Yellow Pages queries, and will continue to increase.
Added to emphasize the convenience of life, consumer diversity, such as support for buying movie tickets, find food, charge calls, and so on.
New songs song identification feature, a few seconds to recognize the surrounding tempted songs and lyrics download synchronous implementation in the machine.
Once the new phone lock screen, application synchronization lock, protect user privacy data.