[Android Software/Hacking General [Developers Only]] TheGhost1951:
Checked for shared blocks on OP9P A12 C.20 T-Mobile

:/data/data/com.termux/files/home # su

| grep -e "feat" -e "vol" && echo; done <

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-0

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-1

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-10

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-11

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-12

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-13

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-14

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-15

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-16

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-17

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-18

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-19

Filesystem volume name: product

Filesystem features: ext_attr dir_index filetype extent sparse_super large_file huge_file uninit_bg dir_nlink extra_isize shared_blocks

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-20

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-21

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-22

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-23

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-24

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-25

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-26

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-27

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-28

Filesystem volume name: product

Filesystem features: ext_attr dir_index filetype extent sparse_super large_file huge_file uninit_bg dir_nlink extra_isize shared_blocks

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-3

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-30

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-31

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-32

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-33

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-34

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-35

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-36

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-37

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-38

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-39

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-4

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-40

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-41

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-42

Filesystem volume name: <none>

Filesystem features: ext_attr resize_inode dir_index filetype extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum shared_blocks

Filesystem volume name: <none>

Filesystem features: ext_attr dir_index filetype extent sparse_super large_file huge_file uninit_bg dir_nlink extra_isize shared_blocks

Filesystem volume name: <none>

Filesystem features: ext_attr resize_inode dir_index filetype extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum shared_blocks

Filesystem volume name: <none>

Filesystem features: ext_attr dir_index filetype extent sparse_super large_file huge_file uninit_bg dir_nlink extra_isize shared_blocks

Filesystem volume name: <none>

Filesystem features: ext_attr dir_index filetype extent sparse_super large_file huge_file uninit_bg dir_nlink extra_isize shared_blocks

Filesystem volume name: <none>

Filesystem features: ext_attr dir_index filetype extent sparse_super large_file huge_file uninit_bg dir_nlink extra_isize shared_blocks

Filesystem volume name: <none>

Filesystem features: ext_attr dir_index filetype extent sparse_super large_file huge_file uninit_bg dir_nlink extra_isize shared_blocks

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-5

Filesystem volume name: <none>

Filesystem features: ext_attr resize_inode dir_index filetype extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum shared_blocks

Filesystem volume name: <none>

Filesystem features: ext_attr resize_inode dir_index filetype extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum shared_blocks

Filesystem volume name: <none>

Filesystem features: ext_attr dir_index filetype extent sparse_super large_file huge_file uninit_bg dir_nlink extra_isize shared_blocks

Filesystem volume name: <none>

Filesystem features: ext_attr dir_index filetype extent sparse_super large_file huge_file uninit_bg dir_nlink extra_isize shared_blocks

Filesystem volume name: <none>

Filesystem features: ext_attr resize_inode dir_index filetype extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum shared_blocks

Filesystem volume name: <none>

Filesystem features: ext_attr dir_index filetype extent sparse_super large_file huge_file uninit_bg dir_nlink extra_isize shared_blocks

Filesystem volume name: <none>

Filesystem features: ext_attr resize_inode dir_index filetype extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum shared_blocks

Filesystem volume name: <none>

Filesystem features: ext_attr resize_inode dir_index filetype extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum shared_blocks

Filesystem volume name: <none>

Filesystem features: ext_attr dir_index filetype extent sparse_super large_file huge_file uninit_bg dir_nlink extra_isize shared_blocks

Filesystem volume name: <none>

Filesystem features: ext_attr dir_index filetype extent sparse_super large_file huge_file uninit_bg dir_nlink extra_isize shared_blocks

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-6

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-7

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-8

tune2fs: Bad magic number in super-block while trying to open /dev/block/dm-9