Just got my P605 in a store here in Portugal, and even though it is awesome as it is, I can't live without root xb

I know I'm going to trip Knox eventually, so off to the point:

My firmware version, according to *#1234# is as follows

AP: P605XXUBMJ9

CP: P605XXUBMJ4

CSC: P605ATOMBL1

The thing is, according to the original thread of Universal Root de la Vega (if I understood it correctly), I should search in SamMobile or google for my CSC, but I can't find it anywhere. I noticed, however, that there's a Portugal(TMN) version available in SamMobile, and TMN is my carrier, so I'd like to know if is there any problem in doing the URLD procedure with a "different" (I suppose its a different firmware, I'm coming from a Nexus device which is much simpler to root when compared to Samsung, or any other brand for that matter xb) version, like the one I mentioned above (http://www.sammobile.com/firmwares/3/?download=22912)

Thanks in advance for all your answers

PS. Sorry if this has been answered elsewhere, but I didn't find the answer anywhere and that's why I asked... If that's the case, please point me in the right direction

PS2. I'm already assuming that I'll trip Knox, if there's anyway that I won't, even better

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