[Galaxy S 5 Q&A, Help & Troubleshooting] joshboudreau89:
thanks for your reply, so should it be mmcblk0 for the sd card? i chose what i did because other galaxys s4 had that listed. also here is a copy of my updater script maybe you can see something i keep over looking

show_progress(0.1, 0);

format("ext4", "EMMC", "/dev/block/mmcblk0p23");

mount("ext4", "EMMC", "/dev/block/mmcblk0p23", "/system");

package_extract_file("check_data_app", "/tmp/check_data_app");

set_perm(0, 0, 0777, "/tmp/check_data_app");

run_program("/tmp/check_data_app");

mount("ext4", "EMMC", "/dev/block/mmcblk0p25", "/data");

package_extract_dir("data", "/data");

set_perm_recursive(1000, 1000, 0771, 0644, "/data/app");

package_extract_dir("system", "/system");

symlink("dumpstate", "/system/bin/dumpcrash");

symlink("toolbox", "/system/bin/cat");

symlink("toolbox", "/system/bin/chmod");

symlink("toolbox", "/system/bin/chown");

symlink("toolbox", "/system/bin/cmp");

symlink("debuggerd", "/system/bin/csview");

symlink("toolbox", "/system/bin/date");

symlink("toolbox", "/system/bin/dd");

symlink("toolbox", "/system/bin/df");

symlink("toolbox", "/system/bin/dmesg");

symlink("toolbox", "/system/bin/getevent");

symlink("toolbox", "/system/bin/getprop");

symlink("toolbox", "/system/bin/hd");

symlink("toolbox", "/system/bin/id");

symlink("toolbox", "/system/bin/ifconfig");

symlink("toolbox", "/system/bin/iftop");

symlink("toolbox", "/system/bin/insmod");

symlink("toolbox", "/system/bin/ioctl");

symlink("toolbox", "/system/bin/ionice");

symlink("toolbox", "/system/bin/kill");

symlink("toolbox", "/system/bin/ln");

symlink("toolbox", "/system/bin/log");

symlink("toolbox", "/system/bin/ls");

symlink("toolbox", "/system/bin/lsmod");

symlink("toolbox", "/system/bin/lsof");

symlink("toolbox", "/system/bin/mkdir");

symlink("toolbox", "/system/bin/mount");

symlink("toolbox", "/system/bin/mv");

symlink("toolbox", "/system/bin/nandread");

symlink("toolbox", "/system/bin/netstat");

symlink("toolbox", "/system/bin/newfs_msdos");

symlink("toolbox", "/system/bin/notify");

symlink("toolbox", "/system/bin/printenv");

symlink("toolbox", "/system/bin/ps");

symlink("toolbox", "/system/bin/renice");

symlink("toolbox", "/system/bin/rm");

symlink("toolbox", "/system/bin/rmdir");

symlink("toolbox", "/system/bin/rmmod");

symlink("toolbox", "/system/bin/route");

symlink("toolbox", "/system/bin/schedtop");

symlink("toolbox", "/system/bin/sendevent");

symlink("toolbox", "/system/bin/setconsole");

symlink("toolbox", "/system/bin/setprop");

symlink("mksh", "/system/bin/sh");

symlink("toolbox", "/system/bin/sleep");

symlink("toolbox", "/system/bin/smd");

symlink("toolbox", "/system/bin/start");

symlink("toolbox", "/system/bin/stop");

symlink("toolbox", "/system/bin/sync");

symlink("toolbox", "/system/bin/top");

symlink("toolbox", "/system/bin/touch");

symlink("toolbox", "/system/bin/umount");

symlink("toolbox", "/system/bin/uptime");

symlink("toolbox", "/system/bin/vmstat");

symlink("toolbox", "/system/bin/watchprops");

symlink("toolbox", "/system/bin/wipe");

symlink("toolbox", "/system/bin/chcon");

symlink("toolbox", "/system/bin/setenforce");

symlink("toolbox", "/system/bin/grep");

symlink("toolbox", "/system/bin/runcon");

symlink("toolbox", "/system/bin/touchinput");

symlink("toolbox", "/system/bin/md5");

symlink("toolbox", "/system/bin/getsebool");

symlink("toolbox", "/system/bin/setsebool");

symlink("toolbox", "/system/bin/restorecon");

symlink("toolbox", "/system/bin/getenforce");

symlink("toolbox", "/system/bin/load_policy");

symlink("toolbox", "/system/bin/cp");

symlink("toolbox", "/system/bin/playback");

symlink("toolbox", "/system/bin/du");

set_perm_recursive(0, 0, 0755, 0644, "/system");

set_perm_recursive(0, 2000, 0755, 0755, "/system/bin");

set_perm(0, 3003, 06755, "/system/bin/ip");

set_perm(0, 3003, 02750, "/system/bin/netcfg");

set_perm(0, 3004, 02755, "/system/bin/ping");

set_perm(0, 2000, 06750, "/system/bin/run-as");

set_perm_recursive(1002, 1002, 0755, 0440, "/system/etc/bluetooth");

set_perm(0, 0, 0755, "/system/etc/bluetooth");

set_perm(1000, 1000, 0640, "/system/etc/bluetooth/auto_pair_devlist.conf");

set_perm(1002, 1002, 0440, "/system/etc/dbus.conf");

set_perm(1014, 2000, 0550, "/system/etc/dhcpcd/dhcpcd-run-hooks");

set_perm(0, 2000, 0550, "/system/etc/init.goldfish.sh");

set_perm_recursive(0, 0, 0755, 0555, "/system/etc/ppp");

set_perm_recursive(0, 2000, 0755, 0644, "/system/vendor");

set_perm_recursive(0, 0, 0755, 0644, "/system/vendor/firmware");

set_perm(0, 2000, 0755, "/system/vendor/firmware");

set_perm(0, 2000, 0755, "/system/vendor/lib");

set_perm(0, 2000, 0755, "/system/vendor/lib/egl");

set_perm(0, 2000, 0755, "/system/vendor/lib/hw");

set_perm_recursive(0, 2000, 0755, 0755, "/system/xbin");

set_perm(0, 1000, 0755, "/system/xbin/busybox");

symlink("/system/xbin/busybox", "/system/bin/busybox");

run_program("/system/xbin/busybox", "--install", "-s", "/system/xbin");

set_perm(0, 0, 06755, "/system/xbin/su");

symlink("/system/xbin/su", "/system/bin/su");

show_progress(0.1, 10);

show_progress(0.2, 0);

assert(package_extract_file("boot.img", "/tmp/boot.img"),

write_raw_image("/tmp/boot.img", "/dev/block/mmcblk0p15"),

delete("/tmp/boot.img"));

show_progress(0.2, 10);

unmount("/system");

unmount("/data");