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Hello. This is my first time actually visiting the Optimus One forum although I have had my phone for maybe 2 months. I was not going to root my phone, in case I need warranty, so I was using the stock rom, although it was a little slow.
So I thought MAYBE there is an update on LG website, so I went on there, and found out that I can update by connecting to the computer. So I did download all the files they required (at least I think I did), and I followed the instruction, and started updating. Here comes the first problem encountered: While the phone was n Emergency mode, during the updating was in process, it said Phone and PC has problem communicating or something like that. And there was a restart button. It said disconnect the phone, and remove battery and connect again, and then press restart. So I did. Then now after that the LG software update tool doesn't recognize the phone. It said connect it and press OK or something. I think this is the point where I bricked my phone. A NON rooted phone. So I don't even have a custom recovery to flash anything! I hate LG right now. They are so stupid. I don't know what happened..
I tried the method here:
http://androidforums.com/optimus-one-support-troubleshooting/237642-bricked-lg-optimus-one-help.html
But I couldn't download the right KDZ firmware for my phone, that is available in the link in that link above. I'm in Canada and my phone is from Koodo and the model name is P500H.
So I got a random KDZ file that's for P500 from internet, but the in the KDZ_FW_UPD emulator, that's in the link above, it says my phone is NOT detected! I reconnect the phone and restarted the software so many times. I think they want me to connect the phone while it's Turned ON, and press the "Connect to USB" button. I'm not sure though.
***PLEASE*** Help me! I really need to unbrick this..
Sorry for the long post. And Thank you!
to flash custom recovery follow http://forum.xda-developers.com/showthread.php?t=1318750
Then flash any rom in zip format from custom recovery (according to your baseband)(search development section of p500)
Once you can boot into rom , to revert back to stock condition follow http://forum.xda-developers.com/showthread.php?p=19006040#post19006040 or http://forum.xda-developers.com/showthread.php?t=1324105
mak.3736 said:
to flash custom recovery follow http://forum.xda-developers.com/showthread.php?t=1318750
Then flash any rom in zip format from custom recovery (according to your baseband)(search development section of p500)
Once you can boot into rom , to revert back to stock condition follow http://forum.xda-developers.com/showthread.php?p=19006040#post19006040 or http://forum.xda-developers.com/showthread.php?t=1324105
Click to expand...
Click to collapse
Thank you SO much for your reply. I was searching for HOURS, and Finally found out how to make the KDZ update tool recognize my device. A LOT of people can't get it to work, but I saw someone in this post http://forum.xda-developers.com/showthread.php?t=1015332&page=4
that you need to remove sim card and battery. So I did, and restarted the update, and YES! It worked! I was on Foryo, but I got Gingerbread Rom from
this forum http://mobilesyrup.com/forum/showthread.php?t=21446&page=2
And I'm actually on GB now!
OMG, I have so much homework, but have been doing this for the WHOLE day! Wow..
Thank you so much for your help anyway!
Oh thanks
Sent from my LG-P500 using xda premium
Hey all,
I have a CWM backup of my current rom and have backups of apps and data but am stuck at a bootloop.
As I have read countless articles, it seems my error is because I have a locked bootloader(not actually sure). Though, I only tried to flash
clockcycle's wiped v20d cwm backup file. It failed part way saying it couldn't write to /system.
Since then, I haven't been able to fully enter CWM. just see the red triangle with the droid guy on his back.
I have read Cmahendra's unbricking guide but it doesn't work as I have installed JB and even the tips to unplug, wait 10s and reopen the program to flash again it still won't work. Still stops at 15% saying error connecting to the phone.
There is a similar thread which had this exact problem which said to
use the online method to recover your phone since I had already installed JB. I edited the hosts file to remove the fake offline server and opened up the b2CAppsetup.exe, clicked on customer support,
entered my model LGP769BK and my S/N and it began to start the process and 'analyze' then crashed and said "updating is not possible any longer due to a fatal error while the LG mobile phone software Update"
I've tried to search this out myself and not waste any space but I'm at loss here. If anyone has any help, it would be much appreciated
as I don't have a phone while this is not working.
I've tried all the ways to to hard reset, master reset and still I get the droid guy on his back. I can get to S/w mode like all the other posts say to do but none of those fixes seem to work for me. Am I missing something?
Do I have any options here? I have kind of read that I should just unlock the bootloader but I don't think that applies in my case as I can't turn on my phone fully.
edit: for the online method(LG support tool), it basically cancels when it goes to the 'downloading' phase --> this is what I've seen as most of the answers but doesn't work
Upon further reading,
many seemed to need to replace their u-boot and x-loader
I did so and installed fastboot using Lelus' script here:
http://forum.xda-developers.com/showpost.php?p=41768774&postcount=1
I used option 6 which allowed me to flash the u-boot and x-loader from p760(works with my 769 and others as it says in the options) for JB
I'm not sure if I needed this as I don't have an unlocked bootloader.
I'm not sure of commands in fastboot but I ran
fastboot devices and it showed something
I also ran: fastboot flash recovery recovery.img
and I put one of my cwm backups in the "yours" folder
After I activate fastboot, it brings me to the C:\fastboot\yours folder
I assume this is for me to put my intended files in but I'm unsure if I should use my cwm backup or something else?
After it flashed the recovery img, I sent a fastboot reboot command
but it still went back to the droid lying down with a red triangle.
As some of you may see, I'm not too great with this but I feel like I'm close. Does anybody have an idea of what I should be doing?
should I flash an update.zip?
I don't know many commands but hopefully this gets me going in the right direction.
PLEASE HELP ME!!!!
I guess your cmw restore formatted your system but couldnt load the new system
the recovery you run with a locked bootloader uses a technique called 2nd init which i think is somewhere stored in the system partition. so when the recovery formatted the system, it lost itself too.
I've had a similar problem. the way out would be booting into the SW upgrade mode--switch off the device, remove the battery, remove the usb cable. press the volume up button and connect the phone to the computer. wait for a couple of seconds and then insert the battery.
you should be in the SW upgrade mode
now use the B2C client. if it gives an option to upgrade, use that otherwise, go to the customer support menu and press recovery phone
I have already done earlier. It may have gotten lost in my frenzy of information. I have put the phone into software mode, as you said, and it won't work either; There's no option to click upgrade because it's JB(V20D) and when I click recovery phone and enter my imei, LG mobile support tool(B2capp.exe) analyzes and then has a 'fatal error'
Since I flashed the new u-boot and x-loader my screens are all backwards/mirrored. Maybe the tool flashed an unlocked u-boot and x-loader if that's possible.
Is a recovery possible by fastboot?
I have a clean and full copy of my cwm recovery as well as apps and data backed up, I just need to get this phone in working order
shockah486 said:
I have already done earlier. It may have gotten lost in my frenzy of information. I have put the phone into software mode, as you said, and it won't work either; There's no option to click upgrade because it's JB(V20D) and when I click recovery phone and enter my imei, LG mobile support tool(B2capp.exe) analyzes and then has a 'fatal error'
Since I flashed the new u-boot and x-loader my screens are all backwards/mirrored. Maybe the tool flashed an unlocked u-boot and x-loader if that's possible.
Is a recovery possible by fastboot?
I have a clean and full copy of my cwm recovery as well as apps and data backed up, I just need to get this phone in working order
Click to expand...
Click to collapse
If you fastboot flash the u-boot and x-loader from p769(ICS) it should go thru with the offline flash detailed in cmahendras guide.
http://forum.xda-developers.com/showthread.php?t=2085344
Use the KDZ_FW_UPD.zip from this thread
Or try this
Remove all of the stuff you have downloaded for this. Download the original B2C client from LG's site and use that
Tablechair said:
If you fastboot flash the u-boot and x-loader from p769(ICS) it should go thru with the offline flash detailed in cmahendras guide.
Click to expand...
Click to collapse
Thanks.I'll try this. if I have the ICS bootloader, does that mean I'll have to flash the V10G kdz? or can i do the v20d kdz
dhruvbatra205 said:
http://forum.xda-developers.com/showthread.php?t=2085344
Use the KDZ_FW_UPD.zip from this thread
Or try this
Remove all of the stuff you have downloaded for this. Download the original B2C client from LG's site and use that
Click to expand...
Click to collapse
I have the updated kdz fw upd .zip from the unbrick and root thread as well as downloaded a new, official B2C client but they all still hang at the download part during phone recovery.
Tablechair, that did the trick.
Is this because the tool we use to flash for the offline method doesn't recognize the x and u-boot loaderse of JB?
After I installed the ICS boot loaders, my software upgrade mode wasn't mirrored anymore.
I did as tablechair and flashed the V20D.
Does anyone understand why this problem happened in the firstplace? Maybe I didn't get a full copy of clockcycle's backup cwm
or should I have not flashed his recovery in the first place since I didn't have an unlocked bootloader?
Again thank you for all your help and if anyone can provide answers to my other supplemental questions, that'd be great.
Off to root and probably unlock bootloader to be sure.
edit: I can't find the thanks button. but thank you very much tablechair. much appreciated. Hope this can help someone else
p.s. also big thanks to those who made the fastboot program for p769(Artas182x and sguerrini97). really an invaluable tool as I now know.
shockah486 said:
Tablechair, that did the trick.
Is this because the tool we use to flash for the offline method doesn't recognize the x and u-boot loaderse of JB?
After I installed the ICS boot loaders, my software upgrade mode wasn't mirrored anymore.
I did as tablechair and flashed the V20D.
Does anyone understand why this problem happened in the firstplace? Maybe I didn't get a full copy of clockcycle's backup cwm
or should I have not flashed his recovery in the first place since I didn't have an unlocked bootloader?
Again thank you for all your help and if anyone can provide answers to my other supplemental questions, that'd be great.
Off to root and probably unlock bootloader to be sure.
edit: I can't find the thanks button. but thank you very much tablechair. much appreciated. Hope this can help someone else
p.s. also big thanks to those who made the fastboot program for p769(Artas182x and sguerrini97). really an invaluable tool as I now know.
Click to expand...
Click to collapse
Things don't always go according to plan, maybe his Clockworkmod backup was made from the touch version and he didn't have artas182x second init recovery installed. So when the cwm failed the first time, did you try to restore your cwm backup?
kuma82 said:
Things don't always go according to plan, maybe his Clockworkmod backup was made from the touch version and he didn't have artas182x second init recovery installed. So when the cwm failed the first time, did you try to restore your cwm backup?
Click to expand...
Click to collapse
Not yet. having problems flashing a kdz again. I've tried the 2 different software modes, as well as setting emerg and diag but still getting stuck at 15% again.
Do i have to replace my uboot and xloader with the ICS ones every time I want to use the offline flash method?
edit: yup, after replacing with ICS loaders again i'm able to flash using software upgrade. will update on whether I can restore cwm
kuma82 said:
Things don't always go according to plan, maybe his Clockworkmod backup was made from the touch version and he didn't have artas182x second init recovery installed. So when the cwm failed the first time, did you try to restore your cwm backup?
Click to expand...
Click to collapse
I realized I misread your question. When I flashed before the incident, it failed to write to system and I didn't restore my other folder. I rebooted and it was all missed up. Anyway, now that I've got everything back and now with an unlocked bootloader, i was able to recover my old image. However, data isn't working so I have to find the radio to flash as I recall reading in other threads.
Can someone explain in laymen terms why this is? recap, i was on unlocked bl rooted jb and I flashed my old cwm backup when I was rooted but had a locked bl. My apps and messages were all there but the radio was different. I'd understand if I was going from ICS to JB but I was on JB both times. The only difference being a locked BL. It's got to be something about the Radio from p760 or V20B that didn't work on my earlier backup or something like that because the layout status bar is different with a "data" button and showing H instead of 4g(which are the same afaik).
Since, I restored to my backup from after my bootloader unlock and root so data is working showing 'H' with the different layout
Also, I had problems backing up and restoring until I noticed that it works better when I power off the phone and do the manual commands to enter recovery as opposed to using the app to send me to recovery(where I incurred /system backup errors).
My last question is which cwm recovery should I use? I currently have the one for a locked bootloader installed as per Artas182x's website. On that post he has a link for an unlocked bootloader recovery on the xda forums but that thread was updated to not working. Are there any disadvantages to me using a locked bootloader cwm recovery?
I don't think I have any option but to try it as I want to flash CM10.1 for p769. I also read that if your bootloader is unlocked, you can download the cwm from the googleplay. If this is true, can I just install over or should I uninstall the Artas182x locked bootloader one????
update: have to remove l9 recovery by deleting the appropriate system folders and then flash the appropriate .img through adb commands
Help.
shockah486 said:
I realized I misread your question. When I flashed before the incident, it failed to write to system and I didn't restore my other folder. I rebooted and it was all missed up. Anyway, now that I've got everything back and now with an unlocked bootloader, i was able to recover my old image. However, data isn't working so I have to find the radio to flash as I recall reading in other threads.
Can someone explain in laymen terms why this is? recap, i was on unlocked bl rooted jb and I flashed my old cwm backup when I was rooted but had a locked bl. My apps and messages were all there but the radio was different. I'd understand if I was going from ICS to JB but I was on JB both times. The only difference being a locked BL. It's got to be something about the Radio from p760 or V20B that didn't work on my earlier backup or something like that because the layout status bar is different with a "data" button and showing H instead of 4g(which are the same afaik).
Since, I restored to my backup from after my bootloader unlock and root so data is working showing 'H' with the different layout
Also, I had problems backing up and restoring until I noticed that it works better when I power off the phone and do the manual commands to enter recovery as opposed to using the app to send me to recovery(where I incurred /system backup errors).
My last question is which cwm recovery should I use? I currently have the one for a locked bootloader installed as per Artas182x's website. On that post he has a link for an unlocked bootloader recovery on the xda forums but that thread was updated to not working. Are there any disadvantages to me using a locked bootloader cwm recovery?
I don't think I have any option but to try it as I want to flash CM10.1 for p769. I also read that if your bootloader is unlocked, you can download the cwm from the googleplay. If this is true, can I just install over or should I uninstall the Artas182x locked bootloader one????
update: have to remove l9 recovery by deleting the appropriate system folders and then flash the appropriate .img through adb commands
Click to expand...
Click to collapse
Although I might be late, I have the same problem and the same phone and I really need help. I have a soft bricked phone lg optimus l9 and I had the same problems that you had exactly... Which is weird exept I don't have Clock Work Mod or anything ... If you get this I would really appreciate some help. Thanks
yup me too
I finally got software upgrade to work with my lg p769 that was security error cuz i still haven't unlocked the bootloader, if i knew what a good job lg and T-Mobile did in locking it i would have waited and got a g3 that my buddy rooted in like 5 min and unlocked the boot....
What worked for me is this LG FLASH TOOL 2014 THREAD ON XDA
http://forum.xda-developers.com/showthread.php?t=2797190
flashed both the 20H and 20D successfully i uninstalled everything lg in the control panel first though.
Hope this works for you cuz i was struggling on and off for a month to get this far lol
the 2014 tool ultimately worked for me too, once I fixed a couple things. I had rooted and forgotten to unlock, so it was at Security Error, and it would also disconnect at 15% .. in the 2014 tool, I had to install all the updates even though I'm in windows 7 or it would keep doing it. All good now.
I have been trying all these methods and I am still not able to get in the S/W upgrade mode. The only thing I am getting from the device is being able to put it fastboot mode (The inverted one). I really want to revive this phone
Thanks in advance for any help given
Liger878 said:
I have been trying all these methods and I am still not able to get in the S/W upgrade mode. The only thing I am getting from the device is being able to put it fastboot mode (The inverted one). I really want to revive this phone
Thanks in advance for any help given
Click to expand...
Click to collapse
Hey, it's been ages since I have done any of this but IIRC, if you can get into fastbood mode u can still get into software mode,
- turn phone into fastboot mode
- open the software upgrader thing as you normally do
- maybe switch emerg to diag or something like that
- this part is where it's slightly different than the normal way(same program but u select a different option than the default 1st option on
I think if yoiu look through the tutorials it does mention an alternative method for getting into software mode
in one instance in my past, i had to reflash the ICS boot drivers so the software installer would recognize that
the flashing of the ICS boot drivers is done through fastboot. Should be a post in my history where I asked a question regarding this.
Sorry for the chaos but maybe this will help you get in the right direction since I don't know any of your phone history and what you've done etc
best of luck mate
shockah486 said:
Hey, it's been ages since I have done any of this but IIRC, if you can get into fastbood mode u can still get into software mode,
- turn phone into fastboot mode
- open the software upgrader thing as you normally do
- maybe switch emerg to diag or something like that
- this part is where it's slightly different than the normal way(same program but u select a different option than the default 1st option on
I think if yoiu look through the tutorials it does mention an alternative method for getting into software mode
in one instance in my past, i had to reflash the ICS boot drivers so the software installer would recognize that
the flashing of the ICS boot drivers is done through fastboot. Should be a post in my history where I asked a question regarding this.
Sorry for the chaos but maybe this will help you get in the right direction since I don't know any of your phone history and what you've done etc
best of luck mate
Click to expand...
Click to collapse
Thanks, Never tried switching to DIAG before but I will try it and let you know what is the outcome.
Hopefully you find the thread that states the exact steps bc that is off the top of my head and over a year ago by memory . GL bud
Liger878 said:
Thanks, Never tried switching to DIAG before but I will try it and let you know what is the outcome.
Click to expand...
Click to collapse
Hey, I have been trying it with the fastboot but it keeps timing out and not allowing me to finish. One thing I should let you know is that, ever since I had put the device in fastboot, I am not able to get back the S/W upgrade mode. Dont know if that will help in seeing what my problem is or if you want me to explain everything from the beginning again, I am more than happy to.
Have you followed the steps that I linked to in the first 3 posts of this thread?
Follow the steps to flash the ICS bootloaders in fastboot and then you can do the fastboot trick for getting the software to recognize your device.
Right now your phone has the JB boot loader on it and is thus not recognized by the software.
recap:
step 1: flash the ICS bootloaders in fastboot (look at the linked thread in post 2)
step 2: use the software in emerg or diag mode but sitll follow the same steps as the tutorial. I think my earlier posts should explain precisely.
if you dont flash the ICS bootloaders, it won't be recognized by the KDZ installer
Hi there, just before I start, I want to thank anyone that offers any help what so ever. Thankyou.
Ok, I have a HOX+ and rooted my phone not along ago and I am on not on any custom rom and used cwm not twrp (unfortunatley)
Ok so I got the official update notification from google today,so went to update,as I have made no mods so far the the stock rom, besides gaining root access. straight away it puts me to cwm,where I select to go ahead with the update and flash it. I know I must have made some rooky noobish mistake but have managed to half-brick my phone and cant work out how to get round this,
I can gain hboot usb but my computeris not picking up the phone and the recovery I made isnt in the folder when I try to resore- I get the folder with the date I made it in cwm but there is nothing there, the only rom i can manage to pick up is the google one and that doesnt work,
It was successfully flashing and when done did the reboot and then bam, just stuck on htc logo screen.
Any help again greatly appriciated, as i have been trawling the net and all parts of the forum for the past day and cant get anywhere.
thenewone111 said:
Hi there, just before I start, I want to thank anyone that offers any help what so ever. Thankyou.
Ok, I have a HOX+ and rooted my phone not along ago and I am on not on any custom rom and used cwm not twrp (unfortunatley)
Ok so I got the official update notification from google today,so went to update,as I have made no mods so far the the stock rom, besides gaining root access. straight away it puts me to cwm,where I select to go ahead with the update and flash it. I know I must have made some rooky noobish mistake but have managed to half-brick my phone and cant work out how to get round this,
I can gain hboot usb but my computeris not picking up the phone and the recovery I made isnt in the folder when I try to resore- I get the folder with the date I made it in cwm but there is nothing there, the only rom i can manage to pick up is the google one and that doesnt work,
It was successfully flashing and when done did the reboot and then bam, just stuck on htc logo screen.
Any help again greatly appriciated, as i have been trawling the net and all parts of the forum for the past day and cant get anywhere.
Click to expand...
Click to collapse
Relock the bootloader and then unlock it again..
Addicted2xda said:
Relock the bootloader and then unlock it again..
Click to expand...
Click to collapse
Can you please tell me how this is possible or point me in the right direction to do this,as i cant seem to get my computer to pick the phone up, it doesnt appear on devices but hboot usb does happen on the phone?
thenewone111 said:
Can you please tell me how this is possible or point me in the right direction to do this,as i cant seem to get my computer to pick the phone up, it doesnt appear on devices but hboot usb does happen on the phone?
Click to expand...
Click to collapse
If you are using hasoon's tool kit.
Click on relock bootloader.
Then in hasoon's toolkit select unlock bootloader (make sure you have unlock_code.bin of your device with you...)
Recently I Rooted My Sprint G3 Lolipop. Had no Issues there. Then I wanted to install TWRP, So I downloaded AutoRec, waited for the app to confirm everything and installed it. When I turned my phone off and tried to reboot into recovery, it Gives me a screen that has the LG Logo and it says Security Error and turns back off. I can still go into download mode but thats all I can do.
Ive read the other posts for this problem but i havent found one for my specific Phone.
Can anybody please help me with step by step Instructions?? Im still not super expirenced in rooting phones and the other phones I have rooted have always been successful..
Sprint LG G3 5.0.1
LS990ZVC
Heres a link to that same problem. The member experiencing the issue fixed it by flashing a .tot file from a previous ZV version he went from ZVA to ZV4 u should be able to do that i believe by using the 2014 lg flash tool, look it up. While i dont like flashing different ZV versions myself i think u might be safe for the most part.
Me personally think but might be wrong so dont quote me.. Lol but i would flash using a ZVB tot/kdz in the 2014 flash tool and i believe the lg support tool will then upgrade u back to ZVC if not the LGUPtool i mean your taking it from a noob but i think i stand correct here lol
http://forum.xda-developers.com/sprint-lg-g3/help/help-security-error-t3177905
Thanks. Actually didn't even waste my time on it. I still flash and do everything else with my phone. Found out it was a authentication code or something like that. Thanks for the reply back though!!!
Hi,
I tried to upgrade my US998 from Oreo to Pie using LGUP patched. The upgrade process went well until the phone restarted and have this error message:
"Your device has failed a routine safety check and will not boot..."
I did try using LG Bridge to fix = not working
I did try fastboot boot laf.img (using extracted laf from H93031a_00_OPEN_EU_OP_1105) not working.
Any other solution?
Thanks
This Post got recommended to me. I am a Samsung user so my answer will probably be very stupid.
If you have fastboot, why don't you flash a recovery and a custom rom? Ik stupid but it's the only thing that comes to my mind since i don't have a LG phone lol
JanBoyGamer23 said:
This Post got recommended to me. I am a Samsung user so my answer will probably be very stupid.
If you have fastboot, why don't you flash a recovery and a custom rom? Ik stupid but it's the only thing that comes to my mind since i don't have a LG phone lol
Click to expand...
Click to collapse
Installing TWRP or any recovery wont work for me. The bootloader still locked thou.
jaacoozee said:
Installing TWRP or any recovery wont work for me. The bootloader still locked thou.
Click to expand...
Click to collapse
Is that "Download mode" the same as the Samsung one? How do you NORMALLY access it?
JanBoyGamer23 said:
Is that "Download mode" the same as the Samsung one? How do you NORMALLY access it?
Click to expand...
Click to collapse
I'm not sure. Normally I access download mode using volume up and power button. The download mode was there for a sec and then the screen back to
"Your device has failed a routine safety check and will not boot..."
again.
Ah ok so now I understand.
But why don't you unlock your bootloader then if fastboot works? Do you know for sure that TWRP doesn't work?
I really want to help but I don't have a LG phone
JanBoyGamer23 said:
Ah ok so now I understand.
But why don't you unlock your bootloader then if fastboot works? Do you know for sure that TWRP doesn't work?
I really want to help but I don't have a LG phone
Click to expand...
Click to collapse
EDIT: The LG Bootloader unlocking page is "under construction". Guess you have to bring your phone to LG for them to fix this...
JanBoyGamer23 said:
EDIT: The LG Bootloader unlocking page is "under construction". Guess you have to bring your phone to LG for them to fix this...
Click to expand...
Click to collapse
Unfortunately my LG V30 is US region. The official bootloader site not support my phone. Thanks for your info anyway
I'm not sure why a Samsung user was recommended this post. And no offense to the Samsung user, but the process for unlocking, etc is VERY different for Samsung than it is for LG... so I recommend not worrying about that. Believe me, I know, because I'm researching switching to a Samsung in the future, and the process is very different!
That being said, the best resource here is the WTF thread with the post by ChazzMatt. That post has everything you need in one place.
jacoozie, the error you're getting indicates that you had a non-stock phone when you flashed the KDZ on an unlocked phone. For this reason, it's no surprise you got this error - the phone must be COMPLETELY STOCK for a stock KDZ flash. I'm guessing you had TWRP or something else installed, which is causing this problem. Once you unlock, you cannot just flash things willy nilly... and generally you don't flash with KDZ unless you're trying to change models (aka Frankenstein) or on the way to a custom ROM.
It sounds like you've done some unlocking rooting... if so, I recommend you start over with the WTF thread, read it VERY CAREFULLY and ENTIRELY and then reflash as instructed there. I'm guessing you may need to go back to KDZ Nougat and then work your way forward. If you have questions, ask in that thread... but you shouldn't have any questions as the thread is VERY complete (been updated all the time with very detailed information, so everything is in there).
schwinn8 said:
I'm not sure why a Samsung user was recommended this post. And no offense to the Samsung user, but the process for unlocking, etc is VERY different for Samsung than it is for LG... so I recommend not worrying about that. Believe me, I know, because I'm researching switching to a Samsung in the future, and the process is very different!
That being said, the best resource here is the WTF thread with the post by ChazzMatt. That post has everything you need in one place.
jacoozie, the error you're getting indicates that you had a non-stock phone when you flashed the KDZ on an unlocked phone. For this reason, it's no surprise you got this error - the phone must be COMPLETELY STOCK for a stock KDZ flash. I'm guessing you had TWRP or something else installed, which is causing this problem. Once you unlock, you cannot just flash things willy nilly... and generally you don't flash with KDZ unless you're trying to change models (aka Frankenstein) or on the way to a custom ROM.
It sounds like you've done some unlocking rooting... if so, I recommend you start over with the WTF thread, read it VERY CAREFULLY and ENTIRELY and then reflash as instructed there. I'm guessing you may need to go back to KDZ Nougat and then work your way forward. If you have questions, ask in that thread... but you shouldn't have any questions as the thread is VERY complete (been updated all the time with very detailed information, so everything is in there).
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Thanks for the reply.
I didnt install TWRP or any recovery tools to my phone. My phone bootloader still locked thou.
I have read the WTF thread but the problem is I cant get into my Download mode.
Ok, what steps are you using to try to get into download mode? Presumably turning off the phone, then holding the volume up button and plugging in the USB cable (other end already connected to a Windows computer), correct? If that doesn't work, can you try other USB cables? Sometimes a bad cable could prevent the phone from going into download mode.