Hi, I want to make step by step and I am reading all post that I can't, but I have not information about this. I can use linux commands, but I am a newbie.   I have download and flash a micro sd as this links steps (I think there are the same what I have read in several posts here: https://i12bretro.github.io/tutorials/0269.html  Firmware donwloaded from https://forum.armbian.com/topic/17106-installation-instructions-for-tv-boxes-with-amlogic-cpus (https://es.sbcmirror.org/dl/aml-