Secure booting error after flashins backup - G3 Q&A, Help & Troubleshooting

hello guys i got twrp 2.8.4.0 bumped to the phone but when i try to restore my backup after it flashes it pops up saying secure boot error boot certification verify
and when trying to flash any other roms twrp is saying zip is corrupt,can anyone help me?,ive tried flashing it stock to 10b with no luck

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[Q] Can't boot to TWRP

Hello!
I have the V50018a leaked korean 4.4.2 installed on my V500 device. My device is rooted. I tried installing TWRP from flashify and with the step3 from here: http://forum.xda-developers.com/showthread.php?t=2698267 and both ways I got a Successful install message, but everytime I try to boot to TWRP, I get the "Secure Booting Error! Cause: boot certification verify" message. What can be the problem?
Thank you for the help in advance!
p.s.: Excuse me for my english
The problem is that you need to patch the recovery with loki first. Try following the directions here: http://forum.xda-developers.com/showthread.php?t=2945917

[Q] Secure Booting Error! Cause: boot certification verify

hey all, trying to get my LG G3-VS985 running android 5.0.1 to boot to twrp so that i can install a custom ROM. I've tried to flash it either by myself, or with tools like flashify, and when i attempted to reboot into recovery i would get the:"Secure Booting Error! Cause: boot certification verify" error and have to reboot again
ChilledYooper said:
hey all, trying to get my LG G3-VS985 running android 5.0.1 to boot to twrp so that i can install a custom ROM. I've tried to flash it either by myself, or with tools like flashify, and when i attempted to reboot into recovery i would get the:"Secure Booting Error! Cause: boot certification verify" error and have to reboot again
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=3081396
https://play.google.com/store/apps/details?id=b007.autorecvs985

Stuck in boot loop!

please help
i tried installing a new rom and everything is inverted
so i tried restoring back to my nandroid backup and when i reboot its just stuck in a boot loop
when i try to install any rom besides this new messed up rom it doesnt even finish installing when it says its done
and i reboot and get aboot loop everytime
what can i do,

TWRP Boot error / Recovery error

Currently i'm on TWRP 2.8.6 / Whenever I flash TWRP 2.8.7 or higher version, recovery is not accessible. normal boot is ok. but can't boot in to recovey. it says "Secure Booting Error! Cause: boot certification verify" . But i can boot in to system.
I reflashed TWRP 2.8.6 and recovery is accessible again. I tried flashify/ TWRP manager and Terminal method. all are result in "Secure Booting Error! Cause: boot certification verify" error.
Does any one know how to fix this? Thank you!!!
Which version of the G3 do you have?
redduc900 said:
Which version of the G3 do you have?
Click to expand...
Click to collapse
F400K
korean model. Stock MM installed.
Have you tried flashing the latest 3.0.0-0.img file from within TWRP?
redduc900 said:
Have you tried flashing the latest 3.0.0-0.img file from within TWRP?
Click to expand...
Click to collapse
yes. same result. actually I was trying to flash TWRP 3.0
Then Boot secure error message appeared when trying to go to recovery. then tried 2.8.7 . yet no luck. finally flashed 2.8.6 which phone had before trying TWRP 3.0
then everything is OK. I followed instructions to update to TWRP 3.0 yet this error occurs
Are you downloading the *.img files directly from TeamWin, then checking the md5?
https://dl.twrp.me/f400/twrp-3.0.0-0-f400.img.html

boot certification error with bump'd twrp imgs

Hi
I've tried 3 different twrp images, all supposedly bumped (take this one for example), but when I try to boot to recovery with any of them I still get the boot certification verify error and can't get into recovery
running rooted 5.0 stock wiped, installed by instructions in linked threads
Thanks
update: used autorec, can now access recovery... but it's twrp 2.8.6... can I install fulmics on this version, or how do I update it?
update 2: TIL that you can update twrp from inside twrp and it still works, but that still leaves me confused with the above problems

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