Xpreria ZR update

[black_bass]

can't anybody help me ho to update my device

i see in http://www.sonymobile.com/global-en/software/phones/xperia-zr/ there is update for my xperia zr(C5503)

i try to update direct from my defice but my device say my system is up to date

my android version right now is 4.1.2

than i try to update using PC Companion, this software also saying my device is up to date (ver 4.1.2)

the last one i try is using update service but the result is my device vertion still 4.1.2

does anyboy can help me how to update my xperia xr (C5503)

[MubZ]

Thank you sir,

And i am unable to play games like vice city, gangstar etc on my xperia ZR. Bad graphics
can anybody help?