I have Crombi-kk and twrp 2.7 on my 201 right now. I'd like to try a rom2sd install and I see that I must have Cromi-x or miniC flashed on internal. My biggest concern is how do I downgrade to one of those from kk? Can I simply wipe and install Cromi-x or miniC with twrp 2.7 or do I have to downgrade??