Help!!!!!!!!!!!!!!How to upgrade C6602 Rooted to v4.2.2?

[HLinS]

How can I upgrade my xperia z c6602 (rooted) to v4.2.2?

Plz guide me.

Can I use pc companion to upgrade for rooted phone?

[HLinS]

I've deleted my discussion.Thanks a lot.

[Uliwooly]

anytime