[Q] What happens when I upgrade to lollipop - rooted, locked phone

Hi, would like to know if it is possible to upgrade to lollipop using pc companion. I am currently rooted, locked bootloader, custom recovery. Build no. 14.4.A.0.157. If so, will I have a stock official rom with no root and stock recovery? Thanks. I would like to return back my phone to stock with latest updates.

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