900T Root (4.4.2 UVU1CNK2)

Hi all, just acquired a 900T on 4.4.2 UVU1CNK2. Planning on installing CM13 but first a few questions:

1) Should I OTA update before rooting and installing CM to update the baseband version?
2) If not - what is the easiest way to root on this version? (I've read about towelroot, through odin, etc - just wondering what is the most up to date way)

Thanks!

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