follow my guide on page 16 and use v1.61 of the tool not the new ones. i had fits using v1.71 on my new 2dsxl with a 400gb micro sd card. until i used v1.61 and BAM!!!! worked on first try
have the mai dump and have patched the data files fine but the 1.01 eboot.bin file is not patching tried everything if any kind soul could PM their patched eboot.bin file that would end my pain thanks