@Temptress Cerise
Thanks again for the guide,. I tried using BootCTR9 Pre-v1.0 with sysNAND ver 11..-33U , But Gateway wont load, stuck on Booting/loading BootCTR9.
If i go back to BootCTR9 ver 0.49. i have no problem.
I also updated Luma3DS to v6.2.3 and it's working just fine. (fyi v6.2.2...