I tried both, neither is working on my Atari 400 mini. I can't find the original post or where I found it that had the one from Plaion that was a fix for something. When I first downloaded it, it worked on the mini. Then I had to reformat the usb, and I thought I had a copy of it, I didn't and I can't find it in my downloads. Weird, I have tried a bunch of roms and made sure they are .bin, nothing works and the mini does not even show that there is a USB in the unit. Frustrating, but, that is what I get for not being tech saavy, and not knowing what I am doing. I tried to download firmware for my Evercade Pocket, and I can't get that to work either. It is so easy to do, but for some reason, I am unable to make that work. Same with my Arcade 1Up countercade, tried to mod it with Bacertera, and can't figure it out. I will use them as they are stock for now until I have time to dedicate to learn how to do it. I have successfully modded, and added games and firmware to many other things, but these few are really making me want to get rid of these things all together, or just sell them.