[LG V20 Guides, News, & Discussion] shajubinglish:
I Bought a LG V20 us996 through ebay it had a rent a center lock on it, i tried to uninstall it but it install itself again from somewhere, then i found out from samsung forum that it is in persist partition

to unlock it we need

1.unlocked bootloader

2.latest twrp

3.adb access

4 wipe the persdata partion ( dd if=/dev/zero of=/dev/block/sda15) and install [US996][ROM + Kernel] NRD90M Modded NotSoStock ROM v5.5 1/5/2017 by Tilde88

and it worked sec.abt did not install itself again.

7[r[999;999H[6n8us996:/ # ls -al /dev/block/platform/soc/624000.ufshc/by-name

total 0

drwxr-xr-x 2 root root 1480 2016-01-02 14:10 .

drwxr-xr-x 4 root root 1660 2016-01-02 14:10 ..

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 aboot -> /dev/block/sde6

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 abootbak -> /dev/block/sde7

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 apdp -> /dev/block/sde26

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 boot -> /dev/block/sde1

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 cache -> /dev/block/sda19

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 carrier -> /dev/block/sda8

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 cdt -> /dev/block/sdd3

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 cmnlib -> /dev/block/sde22

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 cmnlib64 -> /dev/block/sde24

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 cmnlib64bak -> /dev/block/sde25

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 cmnlibbak -> /dev/block/sde23

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 ddr -> /dev/block/sdd1

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 devcfg -> /dev/block/sde16

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 devcfgbak -> /dev/block/sde17

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 devinfo -> /dev/block/sdb6

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 dip -> /dev/block/sdb5

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 dpo -> /dev/block/sde28

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 drm -> /dev/block/sda3

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 eksst -> /dev/block/sda11

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 encrypt -> /dev/block/sda10

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 eri -> /dev/block/sda7

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 factory -> /dev/block/sda9

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 fota -> /dev/block/sdb3

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 fsc -> /dev/block/sdf3

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 fsg -> /dev/block/sdb4

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 grow -> /dev/block/sda21

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 grow2 -> /dev/block/sdb7

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 grow3 -> /dev/block/sdc3

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 grow4 -> /dev/block/sdd5

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 grow5 -> /dev/block/sde29

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 grow6 -> /dev/block/sdf5

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 grow7 -> /dev/block/sdg2

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 hyp -> /dev/block/sde12

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 hypbak -> /dev/block/sde13

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 keymaster -> /dev/block/sde20

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 keymasterbak -> /dev/block/sde21

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 keystore -> /dev/block/sda14

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 laf -> /dev/block/sda1

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 lafbak -> /dev/block/sda17

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 misc -> /dev/block/sda5

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 modem -> /dev/block/sde18

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 modemst1 -> /dev/block/sdf1

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 modemst2 -> /dev/block/sdf2

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 mpt -> /dev/block/sda2

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 msadp -> /dev/block/sde27

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 operatorlogging -> /dev/block/sda6

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 persdata -> /dev/block/sda15

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 persist -> /dev/block/sda16

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 persistent -> /dev/block/sdg1

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 pmic -> /dev/block/sde14

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 pmicbak -> /dev/block/sde15

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 raw_resources -> /dev/block/sde8

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 raw_resourcesbak -> /dev/block/sde9

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 rct -> /dev/block/sda12

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 recovery -> /dev/block/sde2

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 recoverybak -> /dev/block/sde3

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 reserve -> /dev/block/sdd2

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 rpm -> /dev/block/sde10

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 rpmbak -> /dev/block/sde11

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 sec -> /dev/block/sde19

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 sns -> /dev/block/sda4

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 spare1 -> /dev/block/sdd4

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 spare2 -> /dev/block/sdf4

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 ssd -> /dev/block/sda13

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 system -> /dev/block/sda18

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 tz -> /dev/block/sde4

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 tzbak -> /dev/block/sde5

lrwxrwxrwx 1 root root 16 2016-01-02 14:10 userdata -> /dev/block/sda20

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 xbl -> /dev/block/sdb1

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 xbl2 -> /dev/block/sdc1

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 xbl2bak -> /dev/block/sdc2

lrwxrwxrwx 1 root root 15 2016-01-02 14:10 xblbak -> /dev/block/sdb2

us996:/ # dd if=/dev/zero of=/dev/block/sda15

dd: /dev/block/sda15: No space left on device

131073+0 records in

131072+0 records out

67108864 bytes transferred in 8.561 secs (7838904 bytes/sec)

1|us996:/ # dd if=/dev/zero of=/dev/block/sda15