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Have an ATT Optimus G Pro and I am stuck on bootloop at the LG symbol. I have attempted all listed options as I have been reading and searching for 4 hours now. Please help me with this. One issue I think may be the issue is I only have access to a windows 8 machine. I am running a rooted stock rom with CWM installed. Haven't even deleted any bloat yet. Can anyone give me a new idea?
Specialop24 said:
Have an ATT Optimus G Pro and I am stuck on bootloop at the LG symbol. I have attempted all listed options as I have been reading and searching for 4 hours now. Please help me with this. One issue I think may be the issue is I only have access to a windows 8 machine. I am running a rooted stock rom with CWM installed. Haven't even deleted any bloat yet. Can anyone give me a new idea?
Click to expand...
Click to collapse
Yes, my instructions here might help
uppon2 said:
Yes, my instructions here might help
Click to expand...
Click to collapse
That would be awesome if I could make it into recovery. I can get download mode, but thats the best I can get. I can get to hard reset, but that just puts it in a different loop. Samsung is so much easier.
Specialop24 said:
That would be awesome if I could make it into recovery. I can get download mode, but thats the best I can get. I can get to hard reset, but that just puts it in a different loop. Samsung is so much easier.
Click to expand...
Click to collapse
What happens when you try to use LG Mobile Recovery Tool and follow this guide?
uppon2 said:
What happens when you try to use LG Mobile Recovery Tool and follow this guide?
Click to expand...
Click to collapse
I am having this same problem and the recovery flash tool does not recognize device for me after installing all drivers and reboot. Any other options?
dave71670 said:
I am having this same problem and the recovery flash tool does not recognize device for me after installing all drivers and reboot. Any other options?
Click to expand...
Click to collapse
If that doesn't work then you can try this
I have tried to use the lg flash too but my problem is that I cannot get the computer to recognize the phone even though the phone goes into download mode and the drivers are installed on the phone. I have an att 3980 phone (united states). Please help...stuck at lg logo.
uppon2 said:
If that doesn't work then you can try this
Click to expand...
Click to collapse
Update: I was able to get to hard reset (holding down volume and power keys at same time). This took me to cwm recovery and then I reflashed beanstalk rom that I was on (fortunately, it was still on my phone) and then reflashed gapps.
rehuxley said:
I have tried to use the lg flash too but my problem is that I cannot get the computer to recognize the phone even though the phone goes into download mode and the drivers are installed on the phone. I have an att 3980 phone (united states). Please help...stuck at lg logo.
Click to expand...
Click to collapse
Hi
I have a LG G3 D855 european 16Gb
Today i received a upgrade firmware notification.
I run the upgrade and now my phone wont boot.
Black screen a notification light red and blue
Already take off the battery (after 15 minutes) and still the same
What can i do ?
I need so badly the phone
Thanks
sakana said:
Hi
I have a LG G3 D855 european 16Gb
Today i received a upgrade firmware notification.
I run the upgrade and now my phone wont boot.
Black screen a notification light red and blue
Already take off the battery (after 15 minutes) and still the same
What can i do ?
I need so badly the phone
Thanks
Click to expand...
Click to collapse
Is it rooted?
Sent from from my LG-D855
EpicChineseTime said:
Is it rooted?
Sent from from my LG-D855
Click to expand...
Click to collapse
yes
but i run other upgrades after and no problem
sakana said:
yes
but i run other upgrades after and no problem
Click to expand...
Click to collapse
reboot it and update it with pc suite, and then root the phone again...
A "Thanks" is highly appreciated. [emoji41]
Sent from from my LG-D855
EpicChineseTime said:
reboot it and update it with pc suite, and then root the phone again...
A "Thanks" is highly appreciated. [emoji41]
Sent from from my LG-D855
Click to expand...
Click to collapse
thanks in advance
but the device wont reboot
black screen and red blue led notification
nothing more happends
sakana said:
thanks in advance
but the device wont reboot
black screen and red blue led notification
nothing more happends
Click to expand...
Click to collapse
Hold the power button for a while, it should reboot.
I meant click the "thanks" button below! [emoji23]
Sent from from my LG-D855
EpicChineseTime said:
Hold the power button for a while, it should reboot.
I meant click the "thanks" button below! [emoji23]
Sent from from my LG-D855
Click to expand...
Click to collapse
No, no reboot
Press the power button for 3 minutes
nothing
sakana said:
No, no reboot
Press the power button for 3 minutes
nothing
Click to expand...
Click to collapse
Hmm, what about pulling the battery off?
EDIT: i missed it.
What about a hard reset?
EpicChineseTime said:
Hmm, what about pulling the battery off?
EDIT: i missed it.
What about a hard reset?
Click to expand...
Click to collapse
already tried
this is so stupid
sakana said:
already tried
this is so stupid
Click to expand...
Click to collapse
Try this.
http://solverbase.com/w/LG_G3:_Hard_Reset_(Factory_Reset)
Or try with pc suite.
EpicChineseTime said:
Try this.
http://solverbase.com/w/LG_G3:_Hard_Reset_(Factory_Reset)
Or try with pc suite.
Click to expand...
Click to collapse
tryed that. No option results
PC Suite won't recognize the device
sakana said:
tryed that. No option results
PC Suite won't recognize the device
Click to expand...
Click to collapse
Hmmm... what about returning it to the store?
Sent from from my LG-D855
have you tried to enter to download mode??
With the phone powered off, hold volume UP and keep holding while you connect usb . Then it will boot to download mode
now open PC suite and press on Phone menu, select Recover from upgrade errors.
It should download and restore your phone.
If it doesn't work then you need to manually download your firmware from this site (you need to put your imei after "esn=" before Going into the webpage), it is an official LG site for info about your personal phone there you will find an url with the KDZ file specific for your phone .
csmg.lgmobile.com:9002/csmg/b2c/client/auth_model_check2.jsp?esn=YOURIMEI
and follow the steps on this post to flash your stock rom
badtzo said:
have you tried to enter to download mode??
With the phone powered off, hold volume UP and keep holding while you connect usb . Then it will boot to download mode
now open PC suite and press on Phone menu, select Recover from upgrade errors.
It should download and restore your phone.
If it doesn't work then you need to manually download your firmware from this site (you need to put your imei after "esn=" before Going into the webpage), it is an official LG site for info about your personal phone there you will find an url with the KDZ file specific for your phone .
csmg.lgmobile.com:9002/csmg/b2c/client/auth_model_check2.jsp?esn=YOURIMEI
and follow the steps on this post to flash your stock rom
Click to expand...
Click to collapse
Thank you so much
It Works and did not loose any data
you save my day
Thank you Thank you Thank you Thank you Thank you Thank you Thank you
sakana said:
already tried
this is so stupid
Click to expand...
Click to collapse
try mine tutorial >>>LINK<<< it will not delete your apps and data
Hi, I tried to flash 20b through twrp tonight.
I did factory reset, then flashed the bootstack, then flashed the system. But after that, my phone won't power on. I tried to remove the battery, holding power button for a long time, or power+volumn down.
The phone just does not respond at all. Can anybody help? Thanks!
souvenir1977 said:
Hi, I tried to flash 20b through twrp tonight.
I did factory reset, then flashed the bootstack, then flashed the system. But after that, my phone won't power on. I tried to remove the battery, holding power button for a long time, or power+volumn down.
The phone just does not respond at all. Can anybody help? Thanks!
Click to expand...
Click to collapse
take the battery out and put it back in and try to power it on. Repeat a few times, if that doesn't help we'll try other things.
Still_living714 said:
take the battery out and put it back in and try to power it on. Repeat a few times, if that doesn't help we'll try other things.
Click to expand...
Click to collapse
Thank you Still_living714, I tried this multiple times, but it does not work. Anything else I can try?
souvenir1977 said:
Thank you Still_living714, I tried this multiple times, but it does not work. Anything else I can try?
Click to expand...
Click to collapse
have you tried putting it into download mode?
Still_living714 said:
have you tried putting it into download mode?
Click to expand...
Click to collapse
If you are talking about holding volume button up and plug into computer, I tried that and the phone does not respond either...
souvenir1977 said:
If you are talking about holding volume button up and plug into computer, I tried that and the phone does not respond either...
Click to expand...
Click to collapse
hmm very weird. I had a similar problem were the phone wouldn't boot unless I had it plugged into the charger or my computer,give that a try.
---------- Post added at 12:12 AM ---------- Previous post was at 12:10 AM ----------
souvenir1977 said:
If you are talking about holding volume button up and plug into computer, I tried that and the phone does not respond either...
Click to expand...
Click to collapse
when I had that problem I figured out that it was the battery that was making the phone act weird. Since LG sent me another battery when they had the promotion I used the other spare and that fixed it for me.
This happens right after I flashed the new system, I doubt it is the batter problem. If I plugged into the computer it still won't power on.
(If I remove the battery and plug into computer, the screen of the phone does show some symbol, probably regarding missing memory).
Let me try to see if I use kdz flash to reinstall the system. Thanks for the help.
souvenir1977 said:
This happens right after I flashed the new system, I doubt it is the batter problem. If I plugged into the computer it still won't power on.
(If I remove the battery and plug into computer, the screen of the phone does show some symbol, probably regarding missing memory).
Let me try to see if I use kdz flash to reinstall the system. Thanks for the help.
Click to expand...
Click to collapse
well it's hard to say but without the phone being able to boot there's not anything you can do.....
you are right, flashing need the download mode....
You're getting adnroidserial xxxx in device manager when you connect it to pc?
i think you bricked phone
jkjambo said:
You're getting adnroidserial xxxx in device manager when you connect it to pc?
i think you bricked phone
Click to expand...
Click to collapse
No it just shows regular LGE com port and I am not able to flash anything. You are right, it's hard bricked I am not sure what went wrong with my twrp flashing procedure though. Will contact with LG for repair.
souvenir1977 said:
No it just shows regular LGE com port and I am not able to flash anything. You are right, it's hard bricked I am not sure what went wrong with my twrp flashing procedure though. Will contact with LG for repair.
Click to expand...
Click to collapse
that's what i mean , lge serial xxx , don't remeber exactly . it's in qhsusb mode , hardbricked ...
there is some indian guys who do that , some for free, some for little amount of money ...
search for lg g3 unbrick Qhsusb 9008... don't waste time on tutorials , non of them works with D851 ... i'm in same boat (again ) and tried everything .. nothing works , unless you're connected to lg servers directly , search for people which fixs them
http://forum.xda-developers.com/lg-...1-d855-qhsusbbulk-t3101435/page2#post60751870
here you go.
this guy helped me for free , you can contact with him
Thanks! Currently my phone is at LG service since it is still in warranty. I will definitely try that next time (knock on wood...)
jkjambo said:
http://forum.xda-developers.com/lg-...1-d855-qhsusbbulk-t3101435/page2#post60751870
here you go.
this guy helped me for free , you can contact with him
Click to expand...
Click to collapse
souvenir1977 said:
Thanks! Currently my phone is at LG service since it is still in warranty. I will definitely try that next time (knock on wood...)
Click to expand...
Click to collapse
This is why You don't flash the boot chain unless you absolutely must. I was running 20B with the old boot chain (other than rpm, that was updated) and it ran just fine. If you get a bad flash on the boot chain your sol.
Hey all, I think I broke my G4 h811 , but not at all because I can access to download mode, the problem is that when I try to open LGUP or LG flash tools, my LG appears as UNKNOW MODEL, and because of that I can´t install the kdz file, I tried to re install all the drives and so on, I am working in a win 10 laptop. Someone that can help me. Thanks!!! I will be waiting for a answer.
Enable usb debugging mod in settings>developer options. And also make sure that you have all the lg drivers installed and working. I am sure you will be fine.
fncalderong said:
Hey all, I think I broke my G4 h811 , but not at all because I can access to download mode, the problem is that when I try to open LGUP or LG flash tools, my LG appears as UNKNOW MODEL, and because of that I can´t install the kdz file, I tried to re install all the drives and so on, I am working in a win 10 laptop. Someone that can help me. Thanks!!! I will be waiting for a answer.
Click to expand...
Click to collapse
Try using LGBridge and clicking the update error recovery.
You are coming from an international rom right?
change port number. or task manager adb kill
mdau said:
Enable usb debugging mod in settings>developer options. And also make sure that you have all the lg drivers installed and working. I am sure you will be fine.
Click to expand...
Click to collapse
Thanks for answering, Unfortunately I can´t access to android just Download mode
Vseprz said:
Try using LGBridge and clicking the update error recovery.
You are coming from an international rom right?
Click to expand...
Click to collapse
I am coming from a rooted T-Mobile rom, all happened because I change the file build.prop :/, I tried LGBridge but nothing
ToreqLex said:
change port number. or task manager adb kill
Click to expand...
Click to collapse
thanks for answering, I already changed port number to 41, what do you mean with task manager adb kill ?
fncalderong said:
I am coming from a rooted T-Mobile rom, all happened because I change the file build.prop :/, I tried LGBridge but nothing
Click to expand...
Click to collapse
And you no longer have recovery mode?
Vseprz said:
And you no longer have recovery mode?
Click to expand...
Click to collapse
I can access by VOL- & Power with factory data reset options, I tried but nothing change
fncalderong said:
I can access by VOL- & Power with factory data reset options, I tried but nothing change
Click to expand...
Click to collapse
So using the hardware buttons, and clicking yes through the factory reset confirmation does not boot you into recovery mode? Did you format your internal memory?
Vseprz said:
So using the hardware buttons, and clicking yes through the factory reset confirmation does not boot you into recovery mode? Did you format your internal memory?
Click to expand...
Click to collapse
using hardware buttons and clicking yes the phone just restarted and that´s it. I didn´t format my internal memory. I was trying to fix my phone by using kdz files but the problem is that the programs as lg flash tool and LGUP don´t recognize the model of my lg g4.
fncalderong said:
using hardware buttons and clicking yes the phone just restarted and that´s it. I didn´t format my internal memory. I was trying to fix my phone by using kdz files but the problem is that the programs as lg flash tool and LGUP don´t recognize the model of my lg g4.
Click to expand...
Click to collapse
What firmware were you on? What message did LGBridge say when you tried error update recovery?
I have the same problem with my H815 and Windows 10. All drivers are set up correctly. In device manager, I can see the device and ADB Device, but LGUP won't recognize my G4. Obviously, LGUP is buggy...
Is there any better tooling to upgrade to a more recent ROM? Otherwise, I really would have to change to CM13 - upgrading is very easy and not any nasty USB stuff what in the end may not work at all...
Vseprz said:
What firmware were you on? What message did LGBridge say when you tried error update recovery?
Click to expand...
Click to collapse
I am porting the h811 20i, LGBridge say just that there are not update errors that can be recovered
Maheshwara said:
I have the same problem with my H815 and Windows 10. All drivers are set up correctly. In device manager, I can see the device and ADB Device, but LGUP won't recognize my G4. Obviously, LGUP is buggy...
Is there any better tooling to upgrade to a more recent ROM? Otherwise, I really would have to change to CM13 - upgrading is very easy and not any nasty USB stuff what in the end may not work at all...
Click to expand...
Click to collapse
But I can´t even access to android :/
fncalderong said:
Hey all, I think I broke my G4 h811 , but not at all because I can access to download mode, the problem is that when I try to open LGUP or LG flash tools, my LG appears as UNKNOW MODEL, and because of that I can´t install the kdz file, I tried to re install all the drives and so on, I am working in a win 10 laptop. Someone that can help me. Thanks!!! I will be waiting for a answer.
Click to expand...
Click to collapse
Download this driver. This will help you.
I am new to this forum so I can not link, but you have to look for LG driver version 3.14.1
I had the same problem today and it helped me.
Good luck
JanMarty said:
Download this driver. This will help you.
I am new to this forum so I can not link, but you have to look for LG driver version 3.14.1
I had the same problem today and it helped me.
Good luck
Click to expand...
Click to collapse
Thanks, but I installed the drive and nothing is still Unknow model for LGUP :/
i bought an A52s from ebay which is on retail demo mode. i managed to take the demo mode off however the phone doesnt have the playstore installed, cannot factory reset via settings menu or hard reset.
whenever i try to instal the playstore apk, it would install fine and then fail to launch.
Why don't you flash latest stock firmware with Odin?
Marvin.the.Martian said:
Why don't you flash latest stock firmware with Odin?
Click to expand...
Click to collapse
will this work?
TeamKilo said:
will this work?
Click to expand...
Click to collapse
I don't know, you can try. Do you have IMEI now?, if this is just like a regular device i don't see why it wouldn't work.
Marvin.the.Martian said:
I don't know, you can try. Do you have IMEI now?, if this is just like a regular device i don't see why it wouldn't work.
Click to expand...
Click to collapse
i have two imei's and they both show in teh settings. it also accepts my sim.
re. odin, the p[hone doesnt even boot in to recovery mode
TeamKilo said:
i have two imei's and they both show in teh settings. it also accepts my sim.
re. odin, the p[hone doesnt even boot in to recovery mode
Click to expand...
Click to collapse
It has to be connected on pc via the usb cable to go into recovery mode. Volume up + power button.
volume down + power button for Download mode & odin.
Marvin.the.Martian said:
It has to be connected on pc via the usb cable to go into recovery mode. Volume up + power button.
volume down + power button for Download mode & odin.
Click to expand...
Click to collapse
up + power works, however down + power does not work
Marvin.the.Martian said:
It has to be connected on pc via the usb cable to go into recovery mode. Volume up + power button.
volume down + power button for Download mode & odin.
Click to expand...
Click to collapse
up + power works, however down + power does not work
Can you factory reset from recovery?
Marvin.the.Martian said:
Can you factory reset from recovery?
Click to expand...
Click to collapse
nope. i have all the other options, apart from factory reset. its very bizarre
same thing happened to me but in another country, my imei show 0000 and the phone is rooted can it be fixed to usable phone?
TeamKilo said:
up + power works, however down + power does not work
Click to expand...
Click to collapse
Have you tried turning the phone off, then press volume up and down at same time and connect USB to PC. That should boot you into recovery.
Essentrix said:
Have you tried turning the phone off, then press volume up and down at same time and connect USB to PC. That should boot you into recovery.
Click to expand...
Click to collapse
this worked to get in to recovery, thanks!
now, where toi get a fast download of the latest UK BTU firmware? sammobile is taking aaaages! 7hrs eta!
TeamKilo said:
this worked to get in to recovery, thanks!
now, where toi get a fast download of the latest UK BTU firmware? sammobile is taking aaaages! 7hrs eta!
Click to expand...
Click to collapse
Samfrew
TeamKilo said:
this worked to get in to recovery, thanks!
now, where toi get a fast download of the latest UK BTU firmware? sammobile is taking aaaages! 7hrs eta!
Click to expand...
Click to collapse
https://samfrew.com/
bobfrantic said:
Samfrew
https://samfrew.com/
Click to expand...
Click to collapse
found something called Frija, looks to be doing its job at the moment
managed to succesfully flash a stock rom,. however, the KNOX software looks like its preventing anything from being installed, even preventing the wallpaper from being changed.
any other suggestions before i start an ebay return?
TeamKilo said:
this worked to get in to recovery, thanks!
now, where toi get a fast download of the latest UK BTU firmware? sammobile is taking aaaages! 7hrs eta!
Click to expand...
Click to collapse
Welcome.
TeamKilo said:
found something called Frija, looks to be doing its job at the moment
Click to expand...
Click to collapse
Frija is good indeed
Is there anyone who can help me fix my a52? It has null imei after numerous reflashes, wifi work, just cellular is not working. I read about broken EFS unfortunately I dont have it backed up, is there a way to extract it from phone and repartition it to fix the cellular? One chinese person who messaged me offered me help, then asked 150 for the fix when I told him I would think about it he tried something on my device, he then ghosted my messages.
I read somewhere that tools like chimera can help fix this?
ftaqh said:
Is there anyone who can help me fix my a52? It has null imei after numerous reflashes, wifi work, just cellular is not working. I read about broken EFS unfortunately I dont have it backed up, is there a way to extract it from phone and repartition it to fix the cellular? One chinese person who messaged me offered me help, then asked 150 for the fix when I told him I would think about it he tried something on my device, he then ghosted my messages.
I read somewhere that tools like chimera can help fix this?
Click to expand...
Click to collapse
There are some tools that can repair the IMEI, one called IMEI repair tool, it doesn't require any fee: https://www.google.com/url?sa=t&sou...YQFnoECAgQAQ&usg=AOvVaw2-FpI_TTLca34H7AA0RHpQ
I don't know if it works or not because I never had a case where i had to repair my IMEI. Give it a try