It is said that this version is a GDR2 version,1030.5614.01700.20200
The firmware is a Chinese Rom, which means it is market locked. But you can still download it and try it.
About how To do a rom update, please check this:
http://forums.windowscentral.com/showthread/229445.htm
Download:
http://pan.baidu.com/share/link?shareid=2522864104&uk=806646653
If you get tired of it, you can still flash back to the us rom.
The firmware is a Chinese Rom, which means it is market locked. But you can still download it and try it.
About how To do a rom update, please check this:
http://forums.windowscentral.com/showthread/229445.htm
Download:
http://pan.baidu.com/share/link?shareid=2522864104&uk=806646653
If you get tired of it, you can still flash back to the us rom.
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