LG G4 H815 Security Error - G4 Q&A, Help & Troubleshooting

So I changed from my old ROM to Dirty Unicorn, all went well, but no pin lock on the lock screen, when I try to change that the settings part of the lockscreen lock will crash, but it will ask me for a pin to access it, tried 3 more ROMS, same problem, I have now just tried Imperium and the problem is still here!?
I have never encountered this before, anyone know how I could fix this? Also my backups fail (can't access some folder or something) so I can't even restore to my version beforehand
Any and all help is appreciated
Edit: Just going back to DU so you all know what ROM I'm running now

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[Q] Help! Problems after problems

Hi. I tried to flash 4.4 kitkat rooted from PA and I found the WiFi wasn't working. (which is a problem as you need to go through the new user tutorial and you're stuck at the WiFi part)
so I tried to revert back PA (4.3) but I encountered a problem. I played around the Encrypt tablet last time and had a pin code for that.
Now the strange problem is, when I load the System (trying to get into the ROM), it would ask me for the pin right? the pin is incorrect.
BUT when I put the PIN from recovery (different keyboard maybe?), IT WORKS.
WTF IS GOING ON LOL.
So now the question would be:
a) how to disable encrypted tablet mode?
b) how to fix WiFi turning on issue?
Thanks hope someone can help me.
Nvm. unrooted, update to kitkat, then re-root again.
Solved.

Random restarts and then asking for a password (that doesn't exists)

Hello,
I'm having a weird issue with my Note 7 that I didn't have at all until tried to root for the first time....
It randomly restarts, sometimes is very often and sometimes it take a few hours to do it, but when it does it just restarts out of nothing and when Android loads again it asks me for a password that doesn't even exsits
"To start your device, enter your password" (Picture attached)
This started to happen after used the rootable kernel that was published before SuperSU 2.77 Beta but even reflashing the stock firmware, bootloader, modem, CSC it keeps doing it even when my Android is not yet configured (at the first Welcome screen before setting the phone up), so there is no password at all at this point. I've tried my Google account password, but it doesn't work.
This message is the same that comes up when you select "Secure Boot" so you need to enter a password or PIN to decrypt your data and be able to load it, but I don't have that option checked, and could not be checked when the phone is not even configured.
The way to work around this issue is flashing the no-verity-opt-encrypt mod that is not supposed to be needed anymore after SuperSU 2.77 has been released. So flashing this mod will get me into my Android home screen but it will eventually restart again and I need to flash this mod again.
This is what I've tried so far and it keeps happening:
- Flashed the rootable kernel when it was published and the no-verity mod. I formated data as indicated in the post. Then this problem appeared.
- Flashed stock firmware, bootloader, modem, csc thinking this would remove any trace of the mods I flashed, but kept happening.
- Factory reset from the Samsung recovery, had the "no verity" errors sometimes and sometimes not.
- Flashed other firmwares, bootloaders, modems, csc from other countries but for the same model N930F and kept happening.
- Flashed custom ROMs, formated system, data, everything.
- Flashed stock firmware again.
- Flashed custom ROMS again with the new SuperSU 2.77 and keeps happening.
I have done every single flash that actually exists for the Note 7 and formated everything with no luck....
Has anyone have this issue or had it at all at some moment? If so... How did you manage to get rid of this message?
I hope someone can help, If it was faulty phone I think it would restart at any point even in Recovery or Download mode, but only happens inside of Android.
Seems a common problem I think?
http://forum.xda-developers.com/showthread.php?t=3444510
Sent from my Nexus 6P using Tapatalk
Yep, saw that post... But never seen anyone complaining about the phone asking for a password when reboots (only when it crashes) its like it was asking for a password to decrypt the phone.

LOS Oreo 8.1 - Displaylock completely freezes phone

Hey,
some days ago i went from 7.1.2 to 8.1. I haven't had any issues whatsoever.
For some reason tho it seems like there's something wrong since my bug isn't listed as known.
The first ROM i tried was RR 6.0, and i tried it 2 times with this ROM. Same bug, just like with crDroid 4.1 which im running now. I even performed a COMPLETE wipe and made sure to flash the latest twrp recovery.
Whenever I setup a displaylock (PIN/Pattern/.. except swipe which is default) the device freezes immediatly afterwards, becomes totally unusable so im forced to pull out the battery. Rebooting then takes me to the lock that was just setup but entering the code just freezes the phone again. There's no workaround so far - everytime it happend i had to go back to factory settings.
Since i need to setup a displaylock to install a certificate I could really need your help. Im thanking in advice :good:
Regards,
furi
furiify said:
Hey,
some days ago i went from 7.1.2 to 8.1. I haven't had any issues whatsoever.
For some reason tho it seems like there's something wrong since my bug isn't listed as known.
The first ROM i tried was RR 6.0, and i tried it 2 times with this ROM. Same bug, just like with crDroid 4.1 which im running now. I even performed a COMPLETE wipe and made sure to flash the latest twrp recovery.
Whenever I setup a displaylock (PIN/Pattern/.. except swipe which is default) the device freezes immediatly afterwards, becomes totally unusable so im forced to pull out the battery. Rebooting then takes me to the lock that was just setup but entering the code just freezes the phone again. There's no workaround so far - everytime it happend i had to go back to factory settings.
Since i need to setup a displaylock to install a certificate I could really need your help. Im thanking in advice :good:
Regards,
furi
Click to expand...
Click to collapse
Same problem
i delete /data/system/locksettings.db with twrp file manager to get rid of this problem but i can not lock because all lock types freezes.

JFingerprint option not there anymore

Hey guys I've been trying to look this up but I haven't found any answers..
My fingerprint option in security is totally gone and Moto action's sensor navigation just doesn't work. Now I'm not sure what I did for that to happen but my guess is that it has something to do with flashing oreo twrp flashable zip (unsuccessful) and reverting back to stock nougat.
After restoring nougat and booting system I had an error for wrong pattern. I fixed this issue with a lockscreenkey.zip fix available on these forums. Until recently I never went back to set fingerprints in the settings so I never realized that it was gone. The other security options are still there though, only fingerprint is missing.
I have a feeling that doing a complete stock fastboot firmware flash would fix this but I was hoping for another solution
Edit: this problem is solved guys ... I went for the full fastboot firmware solution and it's working. Sry for creating a thread like this for nothing.

Unable to put lock screen (please help!!!)[Urgent]

Yesterday, I downgraded my device to lollipop s135 using .qsb file. Later I installled Dirty Unicorns, then I was just unable to put lock screen. The setting was getting stopped. I installed the Marshmallow stock then also I was not able to put the lock screen. On lollipop the lock screen is working but after upgrading it is not working. I tried deleting lockscreen related files from /data/system, but the problem didn't solved. Please help me to solve this problem
Help will be appreciated!!!
Sorry for bad english

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