You can use a program like https://gbatemp.net/threads/switch-backup-manager-1-0.511143/ to see what version of firmware it requires for the XCI file you have. Their is a version out there that runs on 2.3 firmware.
I found the 0 file in the SDF folder. Looks like i also wasn't moving the dpad to the right to import to ctr. Its working great. Thank you for your assistance.
Do you know why i would only have one file after using NTR? On step 5 when he says copy SDF backup files with NTR backup files, i would only have one file.
Whenever i dump my retail cart there is only one file named 0 in the folder and its 238kb. Is this normal? Ive dumped it 4 times using NTR. i do get the green screen flash twice as im supposed to.