[T-Mobile LG G4] probaina:
I've checked my phone and my wife's h811 and u can't find ./cust in the root path. Could this be somewhere else? Here's a list if everything that's in mine:

u0_a203@p1:/ $ ls -l

drwxr-xr-x root root 2015-01-22 06:37 acct

drwxrwx--- system cache 2017-09-25 21:20 cache

lrwxrwxrwx root root 1969-12-31 14:00 charger -> /sbin/healthd

dr-x------ root root 2015-01-22 06:37 config

lrwxrwxrwx root root 2015-01-22 06:37 d -> /sys/kernel/debug

drwxrwx--x system system 2017-08-22 04:42 data

-rw-r--r-- root root 546 1969-12-31 14:00 default.prop

drwxr-xr-x root root 2017-09-17 14:37 dev

lrwxrwxrwx root root 2015-01-22 06:37 etc -> /system/etc

-rw-r--r-- root root 77988 1969-12-31 14:00 file_contexts

dr-xr-x--- system system 1969-12-31 14:00 firmware

-rw-r----- root root 1891 1969-12-31 14:00 fstab.fota

-rw-r----- root root 1289 1969-12-31 14:00 fstab.p1

-rwxr-x--- root root 1175792 1969-12-31 14:00 init

-rwxr-x--- root root 4291 1969-12-31 14:00 init.alphap.bt_vendor.rc

-rwxr-x--- root root 3108 1969-12-31 14:00 init.class_main.sh

-rwxr-x--- root root 1478 1969-12-31 14:00 init.environ.rc

-rwxr-x--- root root 1711 1969-12-31 14:00 init.lge.audio.rc

-rwxr-x--- root root 631 1969-12-31 14:00 init.lge.early.rc

-rwxr-x--- root root 1055 1969-12-31 14:00 init.lge.fs.rc

-rwxr-x--- root root 8162 1969-12-31 14:00 init.lge.log.rc

-rwxr-x--- root root 3073 1969-12-31 14:00 init.lge.modem_log.rc

-rwxr-x--- root root 4291 1969-12-31 14:00 init.lge.power.rc

-rwxr-x--- root root 9323 1969-12-31 14:00 init.lge.rc

-rwxr-x--- root root 894 1969-12-31 14:00 init.lge.svelte.rc

-rwxr-x--- root root 774 1969-12-31 14:00 init.lge.usb.default.sh

-rwxr-x--- root root 21023 1969-12-31 14:00 init.lge.usb.rc

-rwxr-x--- root root 6535 1969-12-31 14:00 init.lge.usb.sh

-rwxr-x--- root root 4279 1969-12-31 14:00 init.msm8992.crash.sh

-rwxr-x--- root root 2035 1969-12-31 14:00 init.msm8992.sensor.sh

-rwxr-x--- root root 6464 1969-12-31 14:00 init.msm8992_core.rc

-rwxr-x--- root root 5998 1969-12-31 14:00 init.p1.power.rc

-rwxr-x--- root root 277 1969-12-31 14:00 init.p1.rc

-rwxr-x--- root root 8737 1969-12-31 14:00 init.p1_core.rc

-rwxr-x--- root root 2045 1969-12-31 14:00 init.p1_product.rc

-rwxr-x--- root root 7374 1969-12-31 14:00 init.qcom.class_core.sh

-rwxr-x--- root root 12931 1969-12-31 14:00 init.qcom.factory.sh

-rwxr-x--- root root 30016 1969-12-31 14:00 init.qcom.rc

-rwxr-x--- root root 8545 1969-12-31 14:00 init.qcom.sh

-rwxr-x--- root root 27314 1969-12-31 14:00 init.rc

-rwxr-x--- root root 335 1969-12-31 14:00 init.recovery.p1.rc

-rwxr-x--- root root 10264 1969-12-31 14:00 init.target.rc

-rwxr-x--- root root 387 1969-12-31 14:00 init.time_in_state.sh

-rwxr-x--- root root 1921 1969-12-31 14:00 init.trace.rc

-rwxr-x--- root root 3896 1969-12-31 14:00 init.usb.rc

-rwxr-x--- root root 301 1969-12-31 14:00 init.zygote32.rc

-rwxr-x--- root root 531 1969-12-31 14:00 init.zygote64_32.rc

-rw-r--r-- root root 1143 1969-12-31 14:00 lge.fota.rc

-rw-r--r-- root root 4000 1969-12-31 14:00 lge.fota.update.rc

drwxr-xr-x root system 2015-01-22 06:37 mnt

drwxrwxr-x system system 2016-06-13 14:30 mpt

drwxr-xr-x root root 1969-12-31 14:00 oem

drwxrwx--x system system 2015-01-22 06:37 persist

drwxrwx--x system system 2014-12-31 15:08 persist-lg

dr-xr-xr-x root root 1969-12-31 14:00 proc

-rw-r--r-- root root 18270 1969-12-31 14:00 property_contexts

drwxr-xr-x root root 1969-12-31 14:00 res

drwx------ root root 2017-01-10 18:17 root

drwxr-x--- root root 1969-12-31 14:00 sbin

lrwxrwxrwx root root 2015-01-22 06:37 sdcard -> /storage/self/primary

-rw-r--r-- root root 3825 1969-12-31 14:00 seapp_contexts

-rw-r--r-- root root 7 1969-12-31 14:00 selinux_version

-rw-r--r-- root root 506714 1969-12-31 14:00 sepolicy

-rw-r--r-- root root 19205 1969-12-31 14:00 service_contexts

-rw-r--r-- root root 607 1969-12-31 14:00 set_emmc_size.sh

drwxr-xr-x system system 2014-12-31 15:00 sns

drwxr-xr-x root root 2017-09-17 14:38 storage

drwxr-xr-x root root 2014-12-31 19:47 su

dr-xr-xr-x root root 2015-01-22 06:37 sys

drwxr-xr-x root root 2015-01-01 22:43 system

lrwxrwxrwx root root 2015-01-22 06:37 tombstones -> /data/tombstones

-rw-r--r-- root root 12806 1969-12-31 14:00 ueventd.p1.rc

-rw-r--r-- root root 4845 1969-12-31 14:00 ueventd.rc

lrwxrwxrwx root root 2015-01-22 06:37 vendor -> /system/vendor

u0_a203@p1:/ $