So uhh, yeah. This has probably been answered before, but due to the amount of posts that has the almost same issue, I decided not to read em. So my problem is that with SD card, the blue light turns up and stays there for until I turn my 3DS off. Nothing boot up, and I can't even open Luma3DS with it. If I remove the SD card however, I can open Luma. However, it shows that the Luma version is 10.2, and I already updated it to v11, so at this point, I'm just desperate. And no, I can't open GodMode9 in either state, and I will get an error if I try to boot it up without an SD card. So if I see anyone telling me "follow the instructions" or "stop asking a question that has been answered", I will bite my pencil.