Security Error? - LG Optimus L9 P760, P765, P768, P769

Hi guys,i was trying to flash this rom ,but then something went wrong with my phone and it boots into LG Security Error screen
I can't get it to S/W update ,i can get it into LG recovery but when the lg support tool can flash it over 4%,it's stuck there
i think it has something to do with my bootloader being locked and i tried to flash a unlocked-bootloader-required Rom
Help me ,please

Related

Softbrick headache

Hi in there
I have a P760 which has this stock ROM V20H.kdz, I rooted it and wanted to unlock the bootloader but failed, I found out that it has an unlock-able BL, ok fine, I flahsed CWM I thought that it would work because I had installed it on many devices with locked BL, reboot and got Security Error, connected to fastboot and flashed many uboot.img, x-loader.img, recovery.img with no success at all, I have a massive headach by now, even when the stock recovery works and I can connect to that damn LG upgrade tool, it doesnt detect my phone and shoots an error. Now what? I'm extremely tired by now, please healp with some valid uboot.img, x-loader.img, recovery.img that would work with JB V20H.kdz or any solution, when I start the phone now the LG logo is displayed and when it tries to boot the screen shows different colors/artifacts. Please provide me with some help.

lg g3 kernal crash , need help please

i have and lg g3 d855 i was running on LP when the phone went off and went on a boot loop . then it was showing a kernal crash , i read somewhere that upgrading to MM will solve the problem i used the lg flash tool procedure , it worked for about 10mins after the flash but then the same thing happened , i tried using the LGUP method but the phone is recognised as unknown in the software after which it dosent proceed furthur please tell me if this can be solved by flasing or is it a hardware problem ?
also my phone is not rooted , please help

HELP - LG V10 H961N Dual Sim Hard bricked - Stuck in Download mode

I was having some 4G connection drops with my phone, so I tried to do a Factory Reset using a KDZ file, I was on version 20t Android 6.0 Official Rom, with LG UP I tried to flash the 20t KDZ file, but I was not getting past 9%, so tried to downgrade to Lollipop 10C firmware, it seemed that it was going well, but got to 21% during the System flash and and error occurred and the flashing process stopped, so removed the battery, plugged back in and now the phone only boots to Download mode, tried installing all the LG UP files from here and the LGUP_8994_DLL_Ver_0_0_3_23.msi file as well, to no success, also downloaded the 20c ROM and got to 23% but failed again, last resort tried the old LG Flash Tool 2014, but again did not even start to flash the ROM, so I'm stuck now =( and not sure what more to do guys, any help/ideas would be awesome =)
I have the same problem with my lg v10 H961N dual sim , exactly like you, any help please?
I was suffered from this error yesterday too. It seems that the V10 cannot be downgraded to older version after upgrading to V20t, sad.
In order to recover your phone from download mode, simply connect to your computer with download mode opening and open the LG Bridge, then go to something like "Software Update" -> "Recovery after fail update".
Then, the LG Bridge will help you to flash the V20t again to the phone and recover the phone.

Bootloader problems ?

Hello dear community. Have been here for quite a while and now I've got a big problem with my Moto Z.
Today out of nowhere, precisely I went to get something to drink from the other room and came back, my Moto Z died.
It was at the Splashscreen stuck. So I tried to do some things already ..
So tried to boot into TWRP or flash it through fastboot > Didn't worked. Stuck on Splashscreen.
Tried to flash Stock 7.1 > Didn't worked .. Bootloader write ends with "FAILED".
Tried to format all partitions ; + Userdata too > Didn't worked .. That made it boot instantly into the Bootloader.
So now I'm here and don't know what to do.. Hope any of you can help me somehow.
I just don't want to throw my phone away with my 2 mods ^-^' ..
Ah.. and No I don't have any waranty left ..
Tried pretty much till now but it after all it just doesn't boots after the "Your devices has been unlocked screen" . No matter if custom rom or stock rom .. Anyone out there to help maybe ?
https://forum.xda-developers.com/showpost.php?p=76287794&postcount=366
Maybe It can help you?
Stock Oreo ROM..
Hi dears friend.i have one question about bootloader. I'm tried close bootloader. And i get it.but with mistake.and i cant open secondary bootloader how i can open it against? Have mistake invalid boot state on pc..thanks for everyone.

LG V30 H930 Download Mode issues

Hi everyone,
I bought an used LG V30 and I saw that new update came out so I wanted to install it but it failed during the install with code 0x1123004. Maybe it was rooted so after a few factory resets decided to reinstall it to stock rom. I downloaded everything and started, but I stuck on first level . While entering to download mode phone wrotes: Your device has failed a routine safety check and will not boot...etc. It is booting up but I cant get into download mode and Idk why.
Please when someone can help I will be so happy.

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