Galaxy Note 2 update question

I have a note 2 rooted, unlocked bootloader and I need to update ril, modem, firmware ect to newest possible in order to flash a 5.1 ROM. Any idea where I can find files necessary to achieve this? Have searched around but no luck.

from xda-developers http://forum.xda-developers.com/note-2-verizon/general/galaxy-note-2-update-question-t3080517?goto=newpost

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