i545 4.3 Rooted need to upgrade

I rooted my i545 over a year ago. Have not been able to get any update since, and everyday I can only postpone the Samsung update (won't update because its rooted).

Now I'm tired of rescheduling everyday lol.

4.3 Mk2

I dont know what the knox status is, do I start there with ODEN?

I want to erase everything on there and start over.

Thanks in advance!

:confused::confused::confused::confused::confused: :confused:

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