[Galaxy S 4 Themes and Apps] BiSHGoD:
Does that mean it's impossible to get UMS working on Verizon or it just needs more work?

Here are my fstab and /proc/mounts if it helps anyone troubleshoot.

cat /etc/vold.fstab
#storage_struct = series, "/mnt/sdcard/extStorages"
#storage_struct = parallel
{
supported_exfat = yes
}
dev_mount sdcard /storage/extSdCard auto /devices/platform/msm_sdcc.4/mmc_host/mmc2/ /devices/platform/msm_sdcc.2/mmc_ho
st/mmc2/

#usb host device
{
media_type = usb
supported_exfat = yes
}
dev_mount sda /storage/UsbDriveA auto /devices/platform/msm_hsusb_host/usb

#usb host device
{
media_type = usb
supported_exfat = yes
}
dev_mount sdb /storage/UsbDriveB auto /devices/platform/msm_hsusb_host/usb

#usb host device
{
media_type = usb
supported_exfat = yes
}
dev_mount sdc /storage/UsbDriveC auto /devices/platform/msm_hsusb_host/usb

#usb host device
{
media_type = usb
supported_exfat = yes
}
dev_mount sdd /storage/UsbDriveD auto /devices/platform/msm_hsusb_host/usb

#usb host device
{
media_type = usb
supported_exfat = yes
}
dev_mount sde /storage/UsbDriveE auto /devices/platform/msm_hsusb_host/usb

#usb host device
{
media_type = usb
supported_exfat = yes
}
dev_mount sdf /storage/UsbDriveF auto /devices/platform/msm_hsusb_host/usb
#EOF

cat /proc/mounts
rootfs / rootfs ro,relatime 0 0
tmpfs /dev tmpfs rw,seclabel,nosuid,relatime,mode=755 0 0
devpts /dev/pts devpts rw,seclabel,relatime,mode=600 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,seclabel,relatime 0 0
selinuxfs /sys/fs/selinux selinuxfs rw,relatime 0 0
none /acct cgroup rw,relatime,cpuacct 0 0
tmpfs /mnt/secure tmpfs rw,seclabel,relatime,mode=700 0 0
tmpfs /mnt/asec tmpfs rw,seclabel,relatime,mode=755,gid=1000 0 0
tmpfs /mnt/obb tmpfs rw,seclabel,relatime,mode=755,gid=1000 0 0
none /dev/cpuctl cgroup rw,relatime,cpu 0 0
/dev/block/mmcblk0p26 /persdata/absolute ext4 rw,seclabel,nosuid,nodev,relatime,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/system /system ext4 ro,seclabel,relatime,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/userdata /data ext4 rw,seclabel,nosuid,nodev,noatime,discard,journal_checksum,journal_async_commit,noauto_da_al
loc,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/cache /cache ext4 rw,seclabel,nosuid,nodev,noatime,discard,journal_checksum,journal_async_commit,noauto_da_allo
c,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/apnhlos /firmware vfat ro,context=u:object_r:firmware:s0,relatime,uid=1000,gid=1000,fmask=0337,dmask=0227,codep
age=cp437,iocharset=iso8859-1,shortname=lower,errors=remount-ro 0 0
/dev/block/platform/msm_sdcc.1/by-name/mdm /firmware-mdm vfat ro,context=u:object_r:firmware:s0,relatime,uid=1000,gid=1000,fmask=0337,dmask=0227,codep
age=cp437,iocharset=iso8859-1,shortname=lower,errors=remount-ro 0 0
/dev/block/platform/msm_sdcc.1/by-name/efs /efs ext4 rw,seclabel,nosuid,nodev,noatime,discard,journal_checksum,journal_async_commit,noauto_da_alloc,er
rors=panic,data=ordered 0 0
/sys/kernel/debug /sys/kernel/debug debugfs rw,relatime 0 0
none /dev/memcgrp cgroup rw,relatime,memory 0 0
/data/container /mnt/shell/container sdcardfs rw,nosuid,nodev,relatime,uid=1000,gid=1000 0 0
/data/media /mnt/shell/emulated sdcardfs rw,nosuid,nodev,relatime,uid=1023,gid=1023 0 0
/dev/block/vold/179:33 /storage/extSdCard vfat rw,dirsync,nosuid,nodev,noexec,noatime,nodiratime,uid=1000,gid=1023,fmask=0002,dmask=0002,allow_utime=0
020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0