Using a 256GB micro SD Card with SD2Vita at ux0:
This tutorial assumes that you already have a PS Vita or PS TV that are capable of running homebrew software, and that you already have VitaShell and h-encore installed and know how to use...
For the security researchers that are scared about YT's updated terms, https://t.co/COEKolBVTN will let you download all your videos. I believe it is the original upload, not the 720p version CreatorStudio gives you. May need to export as your branded account.