Hacking sd card defect

[halloworld]

i have my old 3ds hacked with luma and bootstrap

now my sd card defect
not fbi not any savegame i cant open

i cant copy my save games?
gowto i am install fbi?
i cant start godmode with hold start by boot

many thx for help

 

[Hunter]

just follow the guide again asif you just finished installing B9S and you just need to put the files on the SD card now

https://3ds.guide/installing-boot9strap-(ntrboot)

Section I 1,2 & 4
skip to Section IV step 3

then follow the rest of the guide

 

[halloworld]

and the save ganes?
the pc can read the files
3ds say damaged