[Samsung Galaxy Watch 4] adfree:
R875NKOU1CWH3/R875NOKO1CWH3/R875NKOU1CWH3

Rooted with Magisk 26.3 on my SM-R875F...

So I was able to dump little bit... with dd...

For instance "super"... system ... product etc...

Here Link for study...

File on MEGA

mega.nz

You can extract with 7Zip...

I have also dumped first 1000 MB...

freshul:/sdcard # dd if=/dev/block/mmcblk0 bs=512 count=2000000 of=/sdcard/dddump1K.bin
2000000+0 records in
2000000+0 records out
1024000000 bytes (977 M) copied, 49.398332 s, 20 M/s
freshul:/sdcard # gzip -k dddump1K.bin
freshul:/sdcard # ls -a1l
total 1344631
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Alarms
drwxrws--x 5 media_rw media_rw 3452 2023-09-16 07:15 Android
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Audiobooks
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 DCIM
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Documents
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Download
drwxrws--- 3 u0_a136 media_rw 3452 2023-09-16 07:15 Movies
drwxrwsr-x 4 media_rw media_rw 3452 2023-09-16 07:15 Music
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Notifications
drwxrws--- 3 u0_a136 media_rw 3452 2023-09-16 07:15 Pictures
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Podcasts
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Recordings
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Ringtones
-rw-rw---- 1 u0_a136 media_rw 1024000000 2023-09-18 22:43 dddump1K.bin
-rw-rw---- 1 u0_a136 media_rw 351503765 2023-09-18 22:43 dddump1K.bin.gz

Now need some time to pull result...

Only as Info...

Best Regards

Edit 1.

Hmmm... since I disabled Sensor(s) in Health... my WiFi is stable...

freshul:/sdcard # dd if=/dev/block/mmcblk0p31 of=/sdcard/mmcblk0p31.bin
409600+0 records in
409600+0 records out
209715200 bytes (200 M) copied, 9.268518 s, 22 M/s
freshul:/sdcard # dd if=/dev/block/mmcblk0p33 of=/sdcard/mmcblk0p33.bin
409600+0 records in
409600+0 records out
209715200 bytes (200 M) copied, 9.153627 s, 22 M/s
freshul:/sdcard # gzip -k mmcblk0p31.bin
freshul:/sdcard # gzip -k mmcblk0p33.bin
freshul:/sdcard # ls -a1l
total 441047
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Alarms
drwxrws--x 5 media_rw media_rw 3452 2023-09-16 07:15 Android
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Audiobooks
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 DCIM
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Documents
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Download
drwxrws--- 3 u0_a136 media_rw 3452 2023-09-16 07:15 Movies
drwxrwsr-x 4 media_rw media_rw 3452 2023-09-16 07:15 Music
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Notifications
drwxrws--- 3 u0_a136 media_rw 3452 2023-09-16 07:15 Pictures
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Podcasts
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Recordings
drwxrws--- 2 u0_a136 media_rw 3452 2023-09-16 07:15 Ringtones
-rw-rw---- 1 u0_a136 media_rw 209715200 2023-09-19 04:02 mmcblk0p31.bin
-rw-rw---- 1 u0_a136 media_rw 30223108 2023-09-19 04:02 mmcblk0p31.bin.gz
-rw-rw---- 1 u0_a136 media_rw 209715200 2023-09-19 04:03 mmcblk0p33.bin
-rw-rw---- 1 u0_a136 media_rw 1486120 2023-09-19 04:03 mmcblk0p33.bin.gz

More for study...

As no GW6 nore Android 13 Leaks available...