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Hello everybody,
I've got a problem with my optimus black.
I flash this ROM http://forum.xda-developers.com/showthread.php?t=1984246, but I'm not satisfied of it and I'm want to reflash the V20N with smartflash tool.
But when I put my phone in S/W Upgrade mode my windows said USB Device not recognized.
I've done this twice:
- install/uninstall usb driver and LG Pc suite
- change usb cable
- change usb port
- change ROM
Nothing work I thing that my bootloader is corrupt because it's modified in the V28c.
Thanks for helping me
just boot ur phone in software mode den it will recognize usb in smart tool flash..
Sent from my LG-P970 using xda app-developers app
redgolum said:
Hello everybody,
I've got a problem with my optimus black.
I flash this ROM http://forum.xda-developers.com/showthread.php?t=1984246, but I'm not satisfied of it and I'm want to reflash the V20N with smartflash tool.
But when I put my phone in S/W Upgrade mode my windows said USB Device not recognized.
I've done this twice:
- install/uninstall usb driver and LG Pc suite
- change usb cable
- change usb port
- change ROM
Nothing work I thing that my bootloader is corrupt because it's modified in the V28c.
Thanks for helping me
Click to expand...
Click to collapse
What version of Windows?
What version of USB Drivers? Try newer drivers.
Bootloader isn't be changed by flashing ROMs in CWM. ROMs only need to change from boot partition and upwards since thats all they need to change.
Sent from my LG-P970
nothing new
SamBG said:
just boot ur phone in software mode den it will recognize usb in smart tool flash..
Sent from my LG-P970 using xda app-developers app
Click to expand...
Click to collapse
What do you mean by software mode ? You mean when the phone is wake up and i'm on Lg Home ? Because when I do it smartflash doesn't find my phone, but windows yes. I tried also to use the SOS recovery mode of B2C but it said that my software version was up to date so it did nothing.
xonar_ said:
What version of Windows?
What version of USB Drivers? Try newer drivers.
Bootloader isn't be changed by flashing ROMs in CWM. ROMs only need to change from boot partition and upwards since thats all they need to change.
Sent from my LG-P970
Click to expand...
Click to collapse
I tried on windows 8 and 7. On twice I downloaded the newest driver 3.7.
I think a problem of bootloader because I flash the old version of V28c, with the .bin and .fls which had CMW inside, It was befor they release the .zip version. It's rewrite the bootloader no ?. And also because my phone doesn't wake up when I push on power button on the V28c, V20G, and CM10. I can only flash it because of rom manager and nandroid backup.
Thanks for help
Solved
After 2 day on this @"#[email protected]# phone, I find a solution work only on widows 7:
With the usb recognition I succed with this protocole,
1) Uninstall the Lg driver
2) Install the driver with B2C
3) Put the phone in S/W mode with the battery windows will say that it's not recognized,
4) Unplug the phone It will stay on S/W mode
5) Reboot Windows 7, and as soon as the desktop finish to load plug your phone
And miracle it's work. Sometime you need to do it 2,3, or 10 times.
Concerning the power bouton it still desn't work on V10A, V20N.... So I think it's broken, so I will exchange it with my operator.
Thank a lot for people who gave me some time.
redgolum said:
After 2 day on this @"#[email protected]# phone, I find a solution work only on widows 7:
With the usb recognition I succed with this protocole,
1) Uninstall the Lg driver
2) Install the driver with B2C
3) Put the phone in S/W mode with the battery windows will say that it's not recognized,
4) Unplug the phone It will stay on S/W mode
5) Reboot Windows 7, and as soon as the desktop finish to load plug your phone
And miracle it's work. Sometime you need to do it 2,3, or 10 times.
Concerning the power bouton it still desn't work on V10A, V20N.... So I think it's broken, so I will exchange it with my operator.
Thank a lot for people who gave me some time.
Click to expand...
Click to collapse
hey no need to restart ur windows 7 just after connecting the phone go in s/w mode...the tool will automatically detect the usb in sumtym...
Sent from my LG-P970 using xda app-developers app
Hi there, I'm new here but I have been following this forum for a long time.
Here's my problem:
I own a LGP990 with DJANGO rom. apart from the random stuck in the DJANGO loading screen which required me to reinstall it, it was all working fine.
Until yesterday, when I plugged it to recharge. The battery charged for a while and then got stuck for hours when almost done.
I unplugged it and try to turn it on but since that moment it always gets stuck at LG logo screen and when plugged it doesn't display any battery charging. I then tried to start recovery to reinstall from zip as I did every time it got stuck in the django loading screen, but recovery does not start.
No problem, I thought, lets smartflash/nvflash a stock rom and i'm good to go. Wrong, the phone won't even get recognized by windows, though I installed the driver several times (disabling driver signature as well) and running it as admin; i tried different driver versions, different usb cables... It does not even play that background sound when plugging usb devices...
I'm using windows 7 32bit.
That's it, I have ran out of ideas... anyone got one? (besides sending it to assistance, since warranty is voided)
little edit: whenever i plug the battery the phone start by itself!
gaernik said:
Hi there, I'm new here but I have been following this forum for a long time.
Here's my problem:
I own a LGP990 with DJANGO rom. apart from the random stuck in the DJANGO loading screen which required me to reinstall it, it was all working fine.
Until yesterday, when I plugged it to recharge. The battery charged for a while and then got stuck for hours when almost done.
I unplugged it and try to turn it on but since that moment it always gets stuck at LG logo screen and when plugged it doesn't display any battery charging. I then tried to start recovery to reinstall from zip as I did every time it got stuck in the django loading screen, but recovery does not start.
No problem, I thought, lets smartflash/nvflash a stock rom and i'm good to go. Wrong, the phone won't even get recognized by windows, though I installed the driver several times (disabling driver signature as well) and running it as admin; i tried different driver versions, different usb cables... It does not even play that background sound when plugging usb devices...
I'm using windows 7 32bit.
That's it, I have ran out of ideas... anyone got one? (besides sending it to assistance, since warranty is voided)
little edit: whenever i plug the battery the phone start by itself!
Click to expand...
Click to collapse
thats an issue I had, power button is making funny games, to enter recovery keep the vol- button pressed before you return the battery.
It always worked for me. let me know if it works.
this is what u have to do man...
http://www.ibtimes.co.uk/articles/40...timus-p990.htm
http://androidadvices.com/unbrick-lg...hone-tutorial/
http://progmaq.es/cm10/progmaq-defau...10-20121105.7z
http://progmaq.es/cm10/progmaq-defau...10-20121105.7z
The flasher with NVFlash clears all memory, including the Internal SD., so make a backup if u can..
Download this file: http://bayfiles.com/file/yKZL/eGZ31A/driver.rar The pack includes the APX driver (folder driver)
http://www.putlocker.com/file/4CEDEB7E0893B6F1
1.- Remove the battery to the phone.
2.- Press and hold Vol- and Vol+ and without releasing the 2 keys connect the USB cable to the PC
3.- Go to the progmaq-default-cm-10-20121105 folder and run flash icon... folow instruction., wait wait wait Enjoy!
massimo69 said:
thats an issue I had, power button is making funny games, to enter recovery keep the vol- button pressed before you return the battery.
It always worked for me. let me know if it works.
Click to expand...
Click to collapse
what do you mean before you return the battery? i kept vol- button before removing and then plugging it to the usb but still not detecting
interr said:
The flasher with NVFlash clears all memory, including the Internal SD., so make a backup if u can..
Download this file: The pack includes the APX driver (folder driver)
1.- Remove the battery to the phone.
2.- Press and hold Vol- and Vol+ and without releasing the 2 keys connect the USB cable to the PC
3.- Go to the progmaq-default-cm-10-20121105 folder and run flash icon... folow instruction., wait wait wait Enjoy!
Click to expand...
Click to collapse
4/6 of your link are broken dude
gaernik said:
what do you mean before you return the battery? i kept vol- button before removing and then plugging it to the usb but still not detecting
Click to expand...
Click to collapse
I meant to enter recovery. If your phone turns on when you put in the battery, the power button is stuck in a connected position so to enter recovery remove the battery, press the vol- and then insert the battery. If you get your phone to enter recovery and reflash the rom I will tell you what to try to fix the issue.
1.)remove battery
2.)press volume - and volume +
3.)connect phone to pc via usb
4.)download apx driver
5.)(go to device manager install manually apx driver, select the folder where you downloaded and extracted apx ini driver file
6.)flash using nvflash
7.)enjoy.
massimo69 said:
I meant to enter recovery. If your phone turns on when you put in the battery, the power button is stuck in a connected position so to enter recovery remove the battery, press the vol- and then insert the battery. If you get your phone to enter recovery and reflash the rom I will tell you what to try to fix the issue.
Click to expand...
Click to collapse
doing as you said brings me to the "s/w upgrading" screen, not into recovery
wawyed said:
1.)remove battery
2.)press volume - and volume +
3.)connect phone to pc via usb
4.)download apx driver
5.)(go to device manager install manually apx driver, select the folder where you downloaded and extracted apx ini driver file
6.)flash using nvflash
7.)enjoy.
Click to expand...
Click to collapse
problem is that nvflash says "no usb device found" and phone does not appear in device manager
gaernik said:
doing as you said brings me to the "s/w upgrading" screen, not into recovery
Click to expand...
Click to collapse
thats because you have your usb connected
massimo69 said:
thats because you have your usb connected
Click to expand...
Click to collapse
it says so even with usb disconnected :|
gaernik said:
it says so even with usb disconnected :|
Click to expand...
Click to collapse
Then use the AIO toolkit to smartflash a new rom
massimo69 said:
Then use the AIO toolkit to smartflash a new rom
Click to expand...
Click to collapse
as I said earlier, nvflash/aio toolkit give me a "usb device not found" error
gaernik said:
doing as you said brings me to the "s/w upgrading" screen, not into recovery
problem is that nvflash says "no usb device found" and phone does not appear in device manager
Click to expand...
Click to collapse
if you can enter s/w upgrading then you can use smartflash to flash a new rom.
gaernik said:
as I said earlier, nvflash/aio toolkit give me a "usb device not found" error
Click to expand...
Click to collapse
in AIO you have an option to smartflash roms not nvflash. You need to unpack a KDZ rom and install the ROM via smartflash
all the instructions are in the op of the AIO toolkit
the problem still remains, no phone detected and no com port appears in smartflash...
gaernik said:
the problem still remains, no phone detected and no com port appears in smartflash...
Click to expand...
Click to collapse
mmmmhhhhh..... change usb port, change cable, reinstall the drivers. other than that I am at loss
AIO tool has an option to install Nvflash driver. Its the last option in a different color.
Or you could try to reinstall LG driver. I just downloaded the latest driver from lg support tool today. It works fine.
And be noted that you have to hold down both volume up and down while plugging the USB cable to enter nvflash mode. Holding vol down while plugging the cable in will enter boot loader mode which is not the same thing. Remember to remove the battery first of all.
Sent from my LG-P990 using xda premium
massimo69 said:
mmmmhhhhh..... change usb port, change cable, reinstall the drivers. other than that I am at loss
Click to expand...
Click to collapse
done all of that, nothing worked...
mintjustin said:
AIO tool has an option to install Nvflash driver. Its the last option in a different color.
Or you could try to reinstall LG driver. I just downloaded the latest driver from lg support tool today. It works fine.
And be noted that you have to hold down both volume up and down while plugging the USB cable to enter nvflash mode. Holding vol down while plugging the cable in will enter boot loader mode which is not the same thing. Remember to remove the battery first of all.
Sent from my LG-P990 using xda premium
Click to expand...
Click to collapse
installed the driver from support tool but still cant get it recognized neither by smartflash nor nvflash
http://www.ibtimes.co.uk/articles/408044/20121124/unbrick-tool-lg-optimus-p990.htm
http://androidadvices.com/unbrick-lg-optimus-2x-p990-android-phone-tutorial/
http://progmaq.es/cm10/progmaq-default-cm-10-20121105.7z
http://progmaq.es/cm10/progmaq-default-cm-10-20121105.7z
The flasher with NVFlash clears all memory, including the Internal SD., so make a backup if u can..
Download this file: http://bayfiles.com/file/yKZL/eGZ31A/driver.rar The pack includes the APX driver (folder driver) and install the drivers
http://www.putlocker.com/file/4CEDEB7E0893B6F1
1.- Remove the battery to the phone.
2.- Press and hold Vol- and Vol+ and without releasing the 2 keys connect the USB cable to the PC
3.- Go to the progmaq-default-cm-10-20121105 folder and run flash icon... folow instruction., wait wait wait Enjoy!
guys I appreciate all your help but nothing worked. still windows does not detect it, I even plugged to a pc that used to see it :|
lg optimus 2x ics root
gaernik said:
guys I appreciate all your help but nothing worked. still windows does not detect it, I even plugged to a pc that used to see it :|
Click to expand...
Click to collapse
hey...ur problem solved??
I tried to update my LG P880 with LGMobile support tool yesterday.
After connecting the phone, I clicked on Start updating. A window popped up, telling me that it was downloading.
When it came to the update part, it lost connection with the phone. I did exactly as it said I should do (unplug, take out battery and put in in again, turn on the phone and connect it to the pc), and it restarted with the updating.
On about the same point as last time, the pc lost the connection with the phone. I did the same as last time, but now, the phone just doesn't boots into the S/W update screen.
The phone is NOT booting, NOT working to flash kdz, and it is NOT detectet as a phone, neither by the pc nor the LGMobile support tool, but my pc detects a device called APX when I connect the phone to the pc.
What can I do? And what is wrong?
Do this http://forum.xda-developers.com/showthread.php?t=2069723
erst said:
I tried to update my LG P880 with LGMobile support tool yesterday.
After connecting the phone, I clicked on Start updating. A window popped up, telling me that it was downloading.
When it came to the update part, it lost connection with the phone. I did exactly as it said I should do (unplug, take out battery and put in in again, turn on the phone and connect it to the pc), and it restarted with the updating.
On about the same point as last time, the pc lost the connection with the phone. I did the same as last time, but now, the phone just doesn't boots into the S/W update screen.
My pc detects a device called APX when I connect it to the pc, but the LGMobile support tool doesn't recognize the phone.
What can I do? And what is wrong?
Click to expand...
Click to collapse
LGMobile support tool needs the phone to be in normal mode (generaly...).
No SW or other, just turn ON your phone and connect it to PC.
Stanley- said:
Do this http://forum.xda-developers.com/showthread.php?t=2069723
Click to expand...
Click to collapse
When I try to connect the phone, by pressing vol down, I am not getting the S/W Upgrade screen.
erst said:
When I try to connect the phone, by pressing vol down, I am not getting the S/W Upgrade screen.
Click to expand...
Click to collapse
Take out the battery, wait 30 sec. and put it back, press vol- and connect to PC while pressing.
Nothing is working
I don't get the SW upgrade screen when connecting to PC, the phone is an "Unknown device" og named APX under device manager, and the KDZ program cannot find the device.
Is it any other tings I can try?
so if its apx, you can simple flash it via APX mode with nvflash, right ?
(i remember when i rooting my Optimus 2X via APX , that flashed prerooted system.img... so you can try this method)
erst said:
Nothing is working
I don't get the SW upgrade screen when connecting to PC, the phone is an "Unknown device" og named APX under device manager, and the KDZ program cannot find the device.
Is it any other tings I can try?
Click to expand...
Click to collapse
Out of ideas... you can try to use the official lgmobile tool and use the emergency mode to recover it...
mmm273 said:
so if its apx, you can simple flash it via APX mode with nvflash, right ?
(i remember when i rooting my Optimus 2X via APX , that flashed prerooted system.img... so you can try this method)
Click to expand...
Click to collapse
Do you have a link to a guide or something?
RuedasLocas said:
Out of ideas... you can try to use the official lgmobile tool and use the emergency mode to recover it...
Click to expand...
Click to collapse
No. That just leads me to the LG Mobile Support tool, and it can't do anything.
Did you try to get SW upgrade with battery in? (I had the same problem)
Yes.
I have tried both with the battry in the phone and taken it out
erst said:
Yes.
I have tried both with the battry in the phone and taken it out
Click to expand...
Click to collapse
So what happened with your phone- do u get lg icon and charging indicator when u connect phone?
did u try lg flash tool - i know it needs usb serial port but just try and after all ports ready disconnect phone for 3-5 sec and reconnect -maybe the tool will feel it this way - i'm trying to get manual copy of of that lge usb serial port driver but its not working well on win7 64 i think it'll be easier on xp- if so try to update this APX driver to lge cdma usb serial manually and tryflash tool on it
also the flash tool has board dl option u might try
when connecting phone turned off here i can get some adbs drivers one of them is adb anroidnet usb serial port - the problem is when charging note dissapear(display turned off) its gone and i've to repress power button normal press to get it again
future81 said:
So what happened with your phone- do u get lg icon and charging indicator when u connect phone?
Click to expand...
Click to collapse
I got nothing when I plugged it in.
Anyway, I have sent it in to the place I bought it from, to get a new one.
Thanks for all the help you have given me here, but you don't need to try to help me more
Hello,
I'm new and I just starting.
Everything going well, but when I want to install CMW I made an error, I don't unlock bootloader before the install, and now when I switch on my phone (lg p880) I see LG logo and nothing happens.
- I tried to "Update firmware through flashing the kdz files" by post on XDA, I have error when I press button 'launch software update' in KDZ_FW_UPD, error about Up text Ex mod2. I add my phone have root!
- I tried to unlock booloader in All in One but my phone don't have debbuging switch on, thats information show me.
- I tried in SDK Manager with fastboot, eclipse and drivers are installed but something maybe I do wrong and isn't work too.
- My computer don't see phone, when I connected phone to computer holding VOL-
How can I do something? How to install maybe orginal ROM, but I want to install Avatar ROM on XDA and this is the beginnig I read that to install the ROM I must have root, unlock bootloader and CWM.
I can go only to orginal recovery and s/w update (but there is nothing doing, when I connected to computer holding VOL- , my computer can't see phone, and I don't have connection with LG Mobile Support Tool)!!!
So now I have nothing
Please HELP me, I don't have phone now and this is terrible.
I add that I'm a girl so please write step by step
[email protected] said:
Hello,
I'm new and I just starting.
Everything going well, but when I want to install CMW I made an error, I don't unlock bootloader before the install, and now when I switch on my phone (lg p880) I see LG logo and nothing happens.
- I tried to "Update firmware through flashing the kdz files" by post on XDA, I have error when I press button 'launch software update' in KDZ_FW_UPD, error about Up text Ex mod2. I add my phone have root!
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2069723
And if you dont have the lg optimus 4x usb drivers , it wont work.
[email protected] said:
- I tried to unlock booloader in All in One but my phone don't have debbuging switch on, thats information show me.
Click to expand...
Click to collapse
if u cant boot then how are u gonna put it in debbuging mode ? ... its in settings.
[email protected] said:
- I tried in SDK Manager with fastboot, eclipse and drivers are installed but something maybe I do wrong and isn't work too.
Click to expand...
Click to collapse
fastboot is used to install something in adb fastboot mode or to flash a recovery image.
[email protected] said:
- My computer don't see phone, when I connected phone to computer holding VOL-
Click to expand...
Click to collapse
usb drivers and adb drivers.
[email protected] said:
Please HELP me, I don't have phone now and this is terrible.
I add that I'm a girl so please write step by step
Click to expand...
Click to collapse
so what ? and me im superman
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<<USE THE SEARCH FUNCTION OR THE RECENTLY ASKED QUESTIONS IN HELP SECTION>>
Dear all,
my lg P990 was try to update ics to kitkat via cmw its stuck in 50% installation,
then i try to one more time log in in cmw its not working, stuck in lg logo and cant boot cmw,
i try to many more times boot cmw but stuck in lg logo, and i try to s/w upgrade mode and Apx mode,
not in use, when I connect Apx mode with usb cable just blinking screen,
I try to all in one flash, nvflash, all of tried, i cant boot cmw or s/w upgrade mode or Apx mode
only stuck in lg logo
what I do pls any one help
directorsashi said:
Dear all,
my lg P990 was try to update ics to kitkat via cmw its stuck in 50% installation,
then i try to one more time log in in cmw its not working, stuck in lg logo and cant boot cmw,
i try to many more times boot cmw but stuck in lg logo, and i try to s/w upgrade mode and Apx mode,
not in use, when I connect Apx mode with usb cable just blinking screen,
I try to all in one flash, nvflash, all of tried, i cant boot cmw or s/w upgrade mode or Apx mode
only stuck in lg logo
what I do pls any one help
Click to expand...
Click to collapse
Hmm, did you also pulled out the battery while using apx mode(nvflash)?, Also look in device manager or a new device comes up if so then do install drivers or something like then and then click for search automatic. It will probably install because I assume that you've installed the APX drivers before already with the toolkit. I could and have unbricked my device from even worse bricks then what you are having now so it should be possible to fix yours also. You know, the 2X is really unbrickable with NVFlash.
wulsic said:
Hmm, did you also pulled out the battery while using apx mode(nvflash)?, Also look in device manager or a new device comes up if so then do install drivers or something like then and then click for search automatic. It will probably install because I assume that you've installed the APX drivers before already with the toolkit. I could and have unbricked my device from even worse bricks then what you are having now so it should be possible to fix yours also. You know, the 2X is really unbrickable with NVFlash.
Click to expand...
Click to collapse
THANKS FOR U REPLAY
I also tried to APX mode when i plugged usb system not show the drivers, mobile just light blinking, i also changed usb cables and system os ( win 7 to 8.1 ) , but not display in drivers
Hmm, so now there could be 2 things, 1 your usb port is bad. 2 that blinking is something. Try to findout with google why itz blinking