[Samsung Galaxy Note 9 (Snapdragon) ROMs, Kernels, ] Of1780:
May be i can flash it on Combo firmware

https://xdaforums.com/galaxy-note-9...s-recoveries--other-development/root-t3927413

but i didn't find recovery partition

crownqltesq:/ # mount

rootfs on / type rootfs (ro,seclabel)

tmpfs on /dev type tmpfs (rw,seclabel,nosuid,relatime,size=2801100k,nr_inodes=700275,mode=755)

devpts on /dev/pts type devpts (rw,seclabel,relatime,mode=600,ptmxmode=000)

none on /dev/stune type cgroup (rw,relatime,schedtune)

none on /dev/cpuctl type cgroup (rw,relatime,cpu)

none on /dev/cpuset type cgroup (rw,relatime,cpuset,noprefix,release_agent=/sbin/cpuset_release_agent)

none on /dev/freezer type cgroup (rw,relatime,freezer)

adb on /dev/usb-ffs/adb type functionfs (rw,relatime)

proc on /proc type proc (rw,relatime,gid=3009,hidepid=2)

sysfs on /sys type sysfs (rw,seclabel,relatime)

selinuxfs on /sys/fs/selinux type selinuxfs (rw,relatime)

debugfs on /sys/kernel/debug type debugfs (rw,seclabel,relatime)

tracefs on /sys/kernel/debug/tracing type tracefs (rw,seclabel,relatime)

pstore on /sys/fs/pstore type pstore (rw,seclabel,relatime)

/dev/block/sda23 on /vendor type ext4 (ro,seclabel,relatime)

/dev/block/sda22 on /system type ext4 (ro,seclabel,relatime)

/dev/block/sda24 on /odm type ext4 (ro,seclabel,relatime)

none on /acct type cgroup (rw,relatime,cpuacct)

tmpfs on /mnt type tmpfs (rw,seclabel,relatime,mode=755,gid=1000)

tmpfs on /mnt/secure type tmpfs (rw,seclabel,relatime,mode=700)

tmpfs on /mnt/secure/asec type tmpfs (rw,seclabel,relatime,mode=700)

/data/media on /mnt/runtime/default/emulated type sdcardfs (rw,nosuid,nodev,noexec,noatime,fsuid=1023,fsgid=1023,gid=1015,multiuser,mask=6,derive_gid,reserved=20MB)

/data/media on /mnt/runtime/read/emulated type sdcardfs (rw,nosuid,nodev,noexec,noatime,fsuid=1023,fsgid=1023,gid=9997,multiuser,mask=23,derive_gid,reserved=20MB)

/data/media on /mnt/runtime/write/emulated type sdcardfs (rw,nosuid,nodev,noexec,noatime,fsuid=1023,fsgid=1023,gid=9997,multiuser,mask=7,derive_gid,reserved=20MB)

none on /config type configfs (rw,relatime)

/dev/block/sda29 on /data type ext4 (rw,seclabel,nosuid,nodev,noatime,journal_checksum,noauto_da_alloc,resgid=5555)

/dev/block/sda15 on /nad_refer type ext4 (rw,seclabel,nosuid,nodev,noatime,discard,noauto_da_alloc,errors=panic,data=ordered)

/dev/block/sda25 on /cache type ext4 (rw,seclabel,nosuid,nodev,noatime,journal_checksum,noauto_da_alloc)

/dev/block/sda5 on /persist type ext4 (rw,seclabel,nosuid,nodev,noatime,journal_checksum,noauto_da_alloc)

/dev/block/sda18 on /dsp type ext4 (ro,seclabel,nosuid,nodev,relatime,data=ordered)

/dev/block/sda6 on /efs type ext4 (rw,seclabel,nosuid,nodev,noatime,journal_checksum,noauto_da_alloc)

/dev/block/sda16 on /firmware type vfat (ro,context=u:object_r:firmware_file:s0,relatime,gid=1000,fmask=0337,dmask=0227,codepage=437,iocharset=iso8859-1,shortname=lower,errors=remount-ro)

/dev/block/sda17 on /firmware-modem type vfat (ro,context=u:object_r:firmware_file:s0,relatime,gid=1000,fmask=0337,dmask=0227,codepage=437,iocharset=iso8859-1,shortname=lower,errors=remount-ro)

/dev/block/sda26 on /carrier type ext4 (rw,seclabel,nosuid,nodev,noatime,journal_checksum,noauto_da_alloc)

/dev/block/sda27 on /omr type ext4 (rw,seclabel,nosuid,nodev,noatime,journal_checksum,noauto_da_alloc)

/dev/block/sda14 on /dqmdbg type ext4 (rw,seclabel,nosuid,nodev,noatime,journal_checksum,noauto_da_alloc)

tmpfs on /storage type tmpfs (rw,seclabel,relatime,mode=755,gid=1000)

/data/media on /storage/emulated type sdcardfs (rw,nosuid,nodev,noexec,noatime,fsuid=1023,fsgid=1023,gid=1015,multiuser,mask=6,derive_gid,reserved=20MB)

tmpfs on /storage/self type tmpfs (rw,seclabel,relatime,mode=755,gid=1000)

I'm also try to flash it with 9008 port, but i can't in to it.