[JiaYu S3 Questions & Answers] freedgt:
Release of the software version number is: S3S-20150623-142703, good domain S3 high version, standard version available through the brush to use (Standard Edition because of their hardware does not support NFC function, so after the upgrade will not be able to use NFC functionality).

Perfect upgrade version Android5.1 system Google android5.0 system, to make up for the previous Android 5.0 "lollipop" a number of deficiencies, perfect support 64-bit CPU is one of its greatest features. Android5.1 early as March 10, 2015 release, Google official blog of Android 5.1 for a simple introduction, first of the new system is more stable, while supporting more than one SIM card, enhanced equipment protection mechanisms, which means that if you After the phone is stolen, it will be locked until you log onto their Google accounts (even if you restore the device to factory settings will not unlock). In addition, Android 5.1 also enhances the WiFi capabilities of the device (and users can enter the Quick Setup menu to choose to join a different WiFi or Bluetooth device management), added HD voice and so on.

Android5.1 system Google newer version, the current software compatibility is not very good, there may be some application software can not run perfectly, this is an application software compatibility problems, not problems ROM, please wait for the application software updates, I believe that with the popularity of the application software compatibility with the updated 5.0 system will be more perfect.

This version 5.1 system is purely android5.1 native style, no custom UI, recommended for advanced players to use. The official forum for various BUG 5.1 collect user feedback system in order to improve the follow-up version of the optimization. Users Brush and use a variety of issues that may arise, please seek mutual resolve on their own in the forum, the official does not provide support services. If you are the user experience, the more concerned about the stability of the system users, it is recommended to use the factory version of the official 4.4 firmware. Not recommended for novice users and use this version of the software brush.

Compared to June 17 release of the software, this version of software updates main points are as follows:

1. The increase in off-screen smart wake function.

2. Lower the keyboard light brightness.

3. Setup - displays the menu and increase control of the keyboard lights off switch.

4. optimize battery curve, improved battery charging display is not accurate.

5. Optimize system compatibility and fluency.

6. Increase air OTA updates.

7. Other known small BUG.

Note: The original version of the 4.4 system upgrade must wire brush; the original system to version 5.1 update can brush card, also waiting for the air to push OTA upgrade. Note that the backup phone before upgrading important data to avoid loss.

flashtool

http://pan.baidu.com/s/1kT7pmB1

rom for flashtool

http://pan.baidu.com/s/1o6sYp0Q

rom for recovery (update only Lillipop to Lollipop)

http://pan.baidu.com/s/1bnwIy1x

test

gps ok

data ok

bluetooth (only data tranfert)

NFC ok

smartwake ok

multilanguage rom

gapps minimal

https://mega.co.nz/#!eVkQCIDT!s1jY-Umtf9pj8PO28O94Ef_y59IAQR0-sv7fk7AN4Jw

root

https://mega.co.nz/#!TUEDCLQQ!HkahxGVC4Z36L9gzaKrrTCaEFPVo2svK5Cll0kz3dhU

1, increasing black wake and gestures

2. Increase keyboard light control function

3, the power curve correction

4, there are other, I do not know