6.5 => rom 6.5.5 ?

[Guest krz_ayman]

Hi, I would like to ask you how to make to have the 6.5.5 on my omnia 2, I am on the Rom 6.5.

Which are the changes compared to the 6.5, and if the performances are improved. Can you indicate the stages to me because I am new and I do not know well. Thank you

Forgiveness for my English it is translate.