LG L Fino randomly hard bricked - LG L Fino Questions & Answers

So it has been almost a month probably after I installed LineageOS on my phone, but today, the phone did not let me use the messages app, and then I tried rebooting. The phone shut off, and won't turn on back. And this isn't the first time. But the other times it just won't boot into android, but now, the screen won't even show LG logo and I can't get into recovery mode. How do I fix this? Oh yea, and I also used this guide: https://forum.xda-developers.com/d290n/how-to/guide-how-to-unbrick-lg-l-fino-qualcomm-t3495192 but got this error: Download Fail: Sahara Fail:QSaharaServer Fail: The directory name is invalid

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[Q] Stuck in nonworking Download Mode

Hey guys,
My T-mobile G2 (CloudyG3 before it got bricked) is currently stuck in download mode, and I mean that's the only thing it can boot into. Vol - and power gets me into factory reset screen, but when I go through the steps it just ends up booting back into download mode.
I'm trying to flash stock .KDZ files with LG Flash Tool 2014, but to no avail. I have tried all of them from http://storagecow.eu/index.php?dir=Xda%2FLG+G2%2FStock%2FT-Mobile+G2%2F, but a " *version #* - NOT SUPPORT" message shows up everytime in the box.
I have also tried the other flash tool, the one that uses .dll and .tot, and that one also gives me an error before the automatic flash process starts.
Basically, download mode progress bar has never budged a single percent in all my numerous tries.
Any advice is greatly appreciated
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Lenovo Yoga Tablet 8 B6000f TOOL DL Image Fail

Please help,
I've once flashed the stock rom to my Lenovo device because it had stopped working and was in a boot loop. That was successful but then it broke again. Then I tried doing the same thing again, but this time the SP Flash Tool gets stuck at 32-35% and then gives me the same error every time. I always get error 4008 and now when I try turning it on it prompts the Lenovo logo screen but in the corner it shows => TOOL DL image Fail.
Nwott said:
Please help,
I've once flashed the stock rom to my Lenovo device because it had stopped working and was in a boot loop. That was successful but then it broke again. Then I tried doing the same thing again, but this time the SP Flash Tool gets stuck at 32-35% and then gives me the same error every time. I always get error 4008 and now when I try turning it on it prompts the Lenovo logo screen but in the corner it shows => TOOL DL image Fail.
Click to expand...
Click to collapse
Having the same problem I have followed all the fix in youtube but none of them fix it, i hope someone will help us to get rid with this.

LG Spirit bricked. Download Mode stucks on error.

Hello everyone,
It's the second time I have a problem with my LG Spirit but now I seem unable to do anything
About month ago my LG was getting stuck on LG loading animation but then I managed to flash it via Download Mode and LG Flash Tool. Everything went fine and the phone was operational till today.
After battery had gone flat I plugged it to recharge but "Security Error" occured.
While plugged in it constantly shows the error message and reboots again and again.
Of course, I tried flashing via Download Mode but in vain. Although Download Mode shows up, a message "Secure booting error. Cause: Boot certification verify." appears, the screen blinks in blue colour and turns off.
Any PC with any USB wire recognizes the LG. Debugging mode is switched on, but no modifications such as TWRP, etc. were ever made.
I also managed to restore default settings, but with no results.
Any ideas what to do?
Thanks in advance
I saw this thread earlier, maybe it can help you?
https://forum.xda-developers.com/lg-spirit/help/help-lg-spirit-h440n-access-to-download-t3623333

Download mode loop - LG G6 H870I

I have a LG G6 H870I, different than all the variants I've seen here. That's why I'm posting here.
I tried to flash a .kdz ROM, via LGUP, that was older than my stock one. I read in the lg-firmwares page that if you try to downgrade, you'll brick your phone. That's what happened. I got stuck on the download mode.
All the times I tried to flash, I got an error message, since the first time. It never got completed.
The only time that I got it done completely, the phone started, but the Android circle that loads the first time you turn on the recent rom that you installed just crashed and it booted again to the "LG G6 Thinq" screen, and It never passed that.
I tried to hard reset, the hard reset screen showed up, I've put "yes", confirmed, and it booted again, but It crashed again on the circle thingy and rebooted to the "LG G6 Thinq" screen again.
All that I tried after that, I just got stuck to the Download Mode.
I tried 4 different roms (.kdz) with the LGUP, both 1.14 and 1.16 versions. I tried with UPPERCUT, without it, I've tried extracting the dll from the .kdz file and putting on the LGUP's "model\common" folder named "LGUP_Common.dll" manually, and the 8994 folder and dll. It recognizes the phone and starts, but every time I got an error message at 20%, 40%, 70%, even 99%.
Tried to reboot it, and still on the Download Mode.
After I trying so many times, now the percentage bar of the phone on download mode stops on 12-14% and gets back to the beginning and the LGUP or LGBridge just gets an error message.
The problem now is the bar percentage. It goes to 12-14% but crashes and it gets back to the begging. Now I can't flash anything at all.
I'm desperate. That's my personal phone, and I don't have a single clue of how to debrick it. I really need it. I have this one only.
Can anybody help me/save me?

LG Spirit H440n boot certification verify (download mode)

I bought the LG Spirit H440n a while ago for my dad. It worked for a short while but was not in use for some years, after it had some issues - I never found out which.
Now, after trying to get TWRP on it and maybe LOS I couldn't proceed: NOTHING WORKS!
If I start it, there's always the start screen with the LG logo / LIfe's good / Powered by android.
There it is stuck...
If I start in Download Mode there is this:
Loading...
Press the Volum Up key untill you see the download screen
ERROR : boot certification verify
------------------------------------------------
[940] Secure booting Error!
[940] Cause: boot certification verify
---------------------------------------------------
Click to expand...
Click to collapse
Sadly, I don't come far with fastboot either ("list of devices attached" stays empty).
.,..and if I do the factory reset there is the icon of the dead android robot with a red warning triangle with an exclamation mark in it and its stomach is open.
Any ideas what I could do?

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