A bit confused as to which version I should have topic

I had this device for only 2 weeks so I'm a bit confused as to which version I should have. By doing a little research I'm guessing .290 is the old version and .136 is the new version.

But why does my phone say I'm running 290 but yet I'm on the the latest 4.3 (^_-) also I noticed on the display options screen I don't have white balance should I have that?



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