So Long Story,
Monday November 24, I Changed Out Battery Go To Restart Phone, Phone Wont Boot Stuck On LG Screens And Constantly Retrying. Tuesday Night November 25, I ReInstall Factory Firmware For G3 D852 – With Success – Phone Working. Wednesday November 26, I Decide To Root & Install TWRP – With Success – Phone Working No Issues. Friday November 28, This Is Where Sh*t Hits The Fan! I Get Crazy & Attempt To Install ChupaChups Lollipop Rom With TWRP – Seemingly Successful Install But After Reboot Wont Boot Stuck In Fast Boot. So I Attempt To Resolve This Following Other Forum Posts Using FastBootOV – WITHOUT Success – Now When Attempting To Boot Phone LG Screen Comes Up Top Left Corner Says “ERROR Boot Certification Verify” Below That Says “590 Secure Booting ERROR!” Then Black Screen With Flashing Red & Blue LED. I Attempted To ReInstall Factory Firmware For D852 With LG Flashtool Attempt Fails Stating Wrong Model Number – Phone States On Screen Near Bottom Now D855 Ver5.0 Below That D85520A.
Finally Success With Phone December 28, After Countless Hours Trying to Find Some Shred Of Info To Resolve This Including Posting Here For Help Without A Response. I Proceed To Attempt To Reinstall Factory Firmware For D852 - Failed Same Result Wrong Model Number D855. Actual Model D852. I Then Decided F**K It Ill Install D855 Factory 32G Firmware UK Version Why Not? At This Point Phones A Paper Weight In This Time Had To Purchase Another Phone (So I Dont Lose My Mind) - All Available Information Points To Send In For Warranty. So I Do So Again Attempting To Install The D855 UK Firmware Failed To Install Using LG FlashTool, This Time Stating Partition Errors. So I Find After Random Searching & Random Reading Of Everything LG G3. I Find A Generic LG G3 DLL File (LGUP_8974.DLL). Using The Generic LG G3 DLL & Factory Firmware D852 With LG FlashTool - This Time Working Up To 89%, Phone Reboots Shows Large 2, Crossing My Fingers Waiting For The Large 3. What Actually Pops Up Is A Large 0. I Attempt To Reboot Phone Goes To Mini OS, Set Phone To Reboot Normally - AND SUCCESS!!!!!! Factory OS Boots Up, The Usual YADAYADA Setup.
So Thats All, A Long Winded Story BUT Now There Seems To A Cure To Flashing WRONG Model G3 Roms To Your Device.
Hope This Works For Everyone - I Have Devoted Coutless Hours Trying to Avoid Sending My Phone In.
Good Luck!!
I Am Unable To Post Download Link For Generic DLL File Since I Am A New Member.
I did the exact same mistake with my D852 and my LG G3 says my phone is a D855 in the firmware update, I will try this out and hopefully it works!!!!
[email protected] said:
So Long Story,
Monday November 24, I Changed Out Battery Go To Restart Phone, Phone Wont Boot Stuck On LG Screens And Constantly Retrying. Tuesday Night November 25, I ReInstall Factory Firmware For G3 D852 – With Success – Phone Working. Wednesday November 26, I Decide To Root & Install TWRP – With Success – Phone Working No Issues. Friday November 28, This Is Where Sh*t Hits The Fan! I Get Crazy & Attempt To Install ChupaChups Lollipop Rom With TWRP – Seemingly Successful Install But After Reboot Wont Boot Stuck In Fast Boot. So I Attempt To Resolve This Following Other Forum Posts Using FastBootOV – WITHOUT Success – Now When Attempting To Boot Phone LG Screen Comes Up Top Left Corner Says “ERROR Boot Certification Verify” Below That Says “590 Secure Booting ERROR!” Then Black Screen With Flashing Red & Blue LED. I Attempted To ReInstall Factory Firmware For D852 With LG Flashtool Attempt Fails Stating Wrong Model Number – Phone States On Screen Near Bottom Now D855 Ver5.0 Below That D85520A.
Finally Success With Phone December 28, After Countless Hours Trying to Find Some Shred Of Info To Resolve This Including Posting Here For Help Without A Response. I Proceed To Attempt To Reinstall Factory Firmware For D852 - Failed Same Result Wrong Model Number D855. Actual Model D852. I Then Decided F**K It Ill Install D855 Factory 32G Firmware UK Version Why Not? At This Point Phones A Paper Weight In This Time Had To Purchase Another Phone (So I Dont Lose My Mind) - All Available Information Points To Send In For Warranty. So I Do So Again Attempting To Install The D855 UK Firmware Failed To Install Using LG FlashTool, This Time Stating Partition Errors. So I Find After Random Searching & Random Reading Of Everything LG G3. I Find A Generic LG G3 DLL File (LGUP_8974.DLL). Using The Generic LG G3 DLL & Factory Firmware D852 With LG FlashTool - This Time Working Up To 89%, Phone Reboots Shows Large 2, Crossing My Fingers Waiting For The Large 3. What Actually Pops Up Is A Large 0. I Attempt To Reboot Phone Goes To Mini OS, Set Phone To Reboot Normally - AND SUCCESS!!!!!! Factory OS Boots Up, The Usual YADAYADA Setup.
So Thats All, A Long Winded Story BUT Now There Seems To A Cure To Flashing WRONG Model G3 Roms To Your Device.
Hope This Works For Everyone - I Have Devoted Coutless Hours Trying to Avoid Sending My Phone In.
Good Luck!!
I Am Unable To Post Download Link For Generic DLL File Since I Am A New Member.
Click to expand...
Click to collapse
Man, this was a long story but I am so glad you have posted this. I always wondered what would happen if I by mistake flash the wrong file (diff model), and now I know. Can you please send me the link to the info and the files, just in case I end up where you were (email: elmspace at gmail dot com), I would appreciate it.
Thanks man. I was just wondering what is going to happen to my LG g3 D856 variant if i flash D855 kdz. Now um not gonna do that. Let's not flash any rom. I successfully rooted and am using D858HK twrp ( yeah D858HK) successfully.
hi hi
hi hi same problem after i want to root the phone my LG G3 D852 my phone stuck on fastboot mode blackscreen ,my pc see it like Android bootloader Interface BUT no other programs see it try lg flash tool or lg repair tool or cmd command nothing they don't see my G3 HELP HELP PLEASE
Sorry for the no response on this problem , got the same problem last year by flashing the d850 rom to a d852 model but this solution is not recommended. It works sometimes (was working with mine but I bring it to LG because the motherboard dies for no reason after one month of use lol) but the installation can go wrong and destroy your motherboard.
Envoyé de mon LG-D852 avec XDA Forums Pro.
Holy hell I ran into the same issue and spent countless hours getting my D852 back to life after flashing the wrong ROM. I found this and sure enough it came back!
plss help
sarktheshark said:
I did the exact same mistake with my D852 and my LG G3 says my phone is a D855 in the firmware update, I will try this out and hopefully it works!!!!
Click to expand...
Click to collapse
i tried custom rom cloudt g3 but insted of f400s i installed d855 now its stuck in fastboot plss help
:crying:
This is nice solution.
Many users will thanks...
?
Sent from my LG-D855 using Tapatalk
Hey Guys ,
I know this is the best place to get a solution for anything and everything about the android.!!
I own a LG G3 (D855 32GB Variant) . I wanted to install CM12 in it as cyanogenmod 12 gives the Stock Lollipop experience..
so to do that we need a custom recovery, so I decided to have one and then I've discovered that to install TWRP Recovery on LG G3 we need to have root access. So I rooted my phone according to this article on highandroid about root LG G flex2 and G3 running lollipop
After Rooting my phone I Installed the TWRP APP from the playstore and after installing the app, I gave it the Superuser access and then I head over to Install TWRP and chose my device and clicked on install after that it rebooted as it should but unexpectedly the screen turned black and the led notification lights started flashing red and blue.. I don't what happened .. Now the phone is working Fine but the recovery is not installed properly I Guess.. I can't even format my phone it restarts and stuck's at red blue led flashing..
Help me and give me a solution so that i don't brick my phone !!
Hi,
Thanks for using XDA Assist Please Standby when our Moderators Move your post to LG G3 Q&A
Good Luck!
So recently I had CM13 installed on my G3 D852, but I wanted to try out the Marshmallow port of stock without actually removing CM13, so stupid me had flashed MultiROM and the included TWRP that supports it. Anyway, after flashing the port my phone had rebooted to just the LG logo with the "boot certification verify" error, then the black screen with the blue/red LED flashing. I had tried to go back to stock but it kept failing, and now for some reason my computer can't even see that it is plugged in.
Am I basically SOL? I can get into download mode just fine but that's it.
Okay it's being picked up by my PC now but I noticed something interesting, the model under LG's Mobile Support Tool reads the phone as the D855, when it's the D852. I've tried the KDZ and TOT method of trying to flash back to stock Lollipop for the D852 and neither work.
How screwed am I?
Update: After countless hours of searching, I finally found a method that worked. My G3 is now back up and running.
http://forum.xda-developers.com/lg-g3/help/solution-flashed-wrong-model-rom-to-d852-t2987242
487/5000
Hello I have an lg h815 6.0 installed UPDATE-SuperSU-v2.46.zip today and my phone is stuck in lg start. Nothing happens when I turn on the phone just lit LG.
I come into firwareupdate on telefonen.Jag have installed all drivrutiner.Jag have read many threads and tried to LG Flash Tool but can not find my phone.
Is there anyone who can help me what I can do to restore my phone.
I've tried lgup but you will not be my telefon./hammen
Good day, all
I need help to hopefully restore any working ROM to my LG G4.
Album of screenshots: https://imgur.com/a/3afkFbl
The short story is, I originally saw a slightly newer firmware on the LG site https://lg-firmwares.com/. But I may have installed the wrong one since I now cannot get 4G LTE and I now have a 'US Cellular' splash screen at bootup (as opposed to the original LG splash screen). So I got a new LG V20 and it is now having issues. So I decided to try to go back to the LG 4G IF I can get the right firmware on the phone.
I attempted to enable USB debugging, install the LG drivers, DLL and boot into download mode and use the LG UP software to install the firmware US99125a_00_0317.kdz (not SURE if this is the correct firmware or not but I’m frustrated and starting to not care). However, the LG UP software won't recognize my phone (please see screenshots at link below). I also tried the LG Flash Tool and Uppercut (with the request LG UP version) and neither worked (also see screenshots). The phone looks to be kind of messed up when looking at the status section of ‘settings’ and the fact that it won’t connect to 4G LTE and has the ‘us celluar’ splash screen.
Can anyone guide me on how to fix this (hopefully)?