Testdisk, did not work.
Cfdisk did not work
Fdisk did not work
mkfs.XXXX did not work
Gparted did not work
dd did not work
so i need help
EDIT#:
I have got an SD to format as Fat, buts its 8.4M, here is dmesg | tail output:
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[473770.120799] sd 51:0:0:0: [sdb] Assuming drive cache: write through
[473770.120802] sd 51:0:0:0: [sdb] Attached SCSI removable disk
[473770.426671] FAT-fs (loop0): bogus number of reserved sectors
[473770.426678] FAT-fs (loop0): Can't find a valid FAT filesystem
[473770.622867] FAT-fs (loop0): bogus number of reserved sectors
[473770.622873] FAT-fs (loop0): Can't find a valid FAT filesystem
[473771.623879] FAT-fs (loop0): bogus number of reserved sectors
[473771.623885] FAT-fs (loop0): Can't find a valid FAT filesystem
[473772.018721] FAT-fs (loop0): bogus number of reserved sectors
[473772.018727] FAT-fs (loop0): Can't find a valid FAT filesystem
here is lsblk:
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sdb 8:16 1 7.4G 0 disk
└─sdb1 8:17 1 8M 0 part