If I change to ROME several times, performance is affected?

I have a neo v.At first of all, I got GB and after I upgaded to ICS 4.0.3.because android of his questions I downgraded to Go on a sony service center.now update I'll test the 4.0.4 official and if I don't like it will downgrade to Go to a service center. Touched is the phone perfomance? (whn I would be on GB)

so far it has not reported any questions, if you go to 2.3.2 there is a battery problem

Tags: Sony Software

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