Security error authentication fail#9 lg h818 p - G4 Q&A, Help & Troubleshooting

Hi every body I remove lg back up and then restart phone and give error #9 and don't go to recovery mode or download mode
What can I do to solve the problem?

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[Q] Demigod crash Handler

hey. i get this error on any rom except stock. anyone know solution?
DemiGod Crash Handler : Kernel Crash! :
Press key to choose Dload Mode/Reboot/Fastboot
1)Volume Up: Dload Mode.
2) Volume Down: Reboot.
3) Power: Fastboot.
If you choose Dload Mode,
Please do following action.
1)Dload Mode. Please connect USB
2) Get the ram dump image using QCT's Memory Debug App
3) Send em-mail to contact point or [email protected].
anyone?? i cant use custom rom.
tskjoe said:
anyone?? i cant use custom rom.
Click to expand...
Click to collapse
Yes u can that is because of the kernel, I was using vanir rom and I had it twice until I updated to KK. Flash any KK rom and you'll see. Im running cm11 official and it is ok
tskjoe said:
hey. i get this error on any rom except stock. anyone know solution?
DemiGod Crash Handler : Kernel Crash! :
Press key to choose Dload Mode/Reboot/Fastboot
1)Volume Up: Dload Mode.
2) Volume Down: Reboot.
3) Power: Fastboot.
If you choose Dload Mode,
Please do following action.
1)Dload Mode. Please connect USB
2) Get the ram dump image using QCT's Memory Debug App
3) Send em-mail to contact point or [email protected].
Click to expand...
Click to collapse
My LG Optimus G has same problem like this.
I can't go to download mode.
How to resolve? thanks
My LG Optimus G E975 crushes once a week.
I have the same issue with my LG E975 Optimus G,
My phone running last Mokee version ROM and it crashes once a week.
Please assist.
i use an e973,i had a couple similar crashes using pac rom,googled a bit,and i increased the min cpu speed to 486,and i have not had a crash since.
fwiw that has worked for me

How can fix " Download mode is disabled by Skill Switch " ?

I have one phone model LG G3 F400s , can't enter download mode , i received report "Download mode is disabled by Skill Switch"

Random reboot on LG G4 H815 after factory reset/update to V10C

Hello all,
After a factory reset or an update to V10c (update was available immediately after factory reset) my G4 keeps rebooting at random moments. I saved an logcat log to my computer via ADB which I will add as an link because it exceeds the forum limits. Personally I suspect the following error:
Code:
E/SQLiteDatabase( 7825): Failed to open database '/data/data/com.google.android.apps.messaging/databases/bugle_db'.
on line 44088 but I don't know for sure. I tried removing all SMS messages but one of them keeps returning after I deleted it.
I would like to get rid of this problem as soon as possible. Also, when booting back up I get an error message 'Unfortunately MirrorLink has stopped'.
Anyone?
Thanks in advance,
kvanzuijlen
Link to logcat adb log: https://www.dropbox.com/s/yw43mnxhjuec607/logcat.txt?dl=0

"IMEI : null" in my LG G3 D855

I am using LG G3 D855 unlocked with Android 5.0 v21a-AME-XX (unrooted) in India. It had battery issue and was doing reboot loop frequently. So I tried to reset the firmware via LG mobile support --> Options --> Upgrade recovery and second time via LG PC suite --> Restore upgrade errors. After that the IMEI number of my handset has become null. I don't know how to restore back. Please help me as I have tried hard reset and factory reset. No use.
I am also unable to view the 'Software info' under settings as it hangs there by saying 'settings not responding'. USB OTG is also not working (tried with different pen drives).
Kindly help me.
If I take it to LG authorized service centre ( http://www.lgmobiles.com )
Try this to restore your imei
http://tips4droid.com/backup-restore-lost-imei-lg-g2/
No use
I am unable to access software info because something has happened to the firmware. The settings is getting hung and the phone restarts when I try to enter software info.
Can I take backup of the IMEI without rooting?. Your response didn't work as I am unable to access software info. Is there any other way?.

error when unlocking bootloader n ° 20033

I recently have the redmi note 8, I was able to send the confirmation message that comes out at the moment of turning on the phone, when going to the developer options and enabling the corresponding options, I get the message: it could not be added, error n ° 20033, I closed my account and put it back but the problem persists, I have not found information about this error on the internet, someone to help me how to overcome this error and to be able to unlock the bootloader

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