[Q] help! stuck on fastboot - G2 Q&A, Help & Troubleshooting

Hi
I tried flashing CWM Recovery on my new G2
but after flashing my phone boots and I see on the screen:
fastboot mode started
udc_start()
And it's stuck like that.
I tried downloading SDK and replacing recovery by fastboot commands, but my pc doesn't seem to recognize the phone.
After installing a usb driver I see in device manager that the driver is still not installed correctly.
I guess it's because my phone isn't loading, right? maybe it needs to be installed when Android is running?
I even tried factory reset (boot in recovery - power + vol up) but still no change
Please help me if you have an idea how, I only bought it last week and now it's bricked!
Thanks

additional information
my phone's model: D802
I downloaded the CWM image from here:
http://forum.xda-developers.com/showthread.php?p=46837114
my pc runs windows xp
thanks all

zionzakay said:
Hi
I tried flashing CWM Recovery on my new G2
but after flashing my phone boots and I see on the screen:
fastboot mode started
udc_start()
And it's stuck like that.
I tried downloading SDK and replacing recovery by fastboot commands, but my pc doesn't seem to recognize the phone.
After installing a usb driver I see in device manager that the driver is still not installed correctly.
I guess it's because my phone isn't loading, right? maybe it needs to be installed when Android is running?
I even tried factory reset (boot in recovery - power + vol up) but still no change
Please help me if you have an idea how, I only bought it last week and now it's bricked!
Thanks
Click to expand...
Click to collapse
try holding the power down for 15 seconds. phone should be completely of now. now hold volume up while plugging in usb. this should get you in download mode. now read this thread. or maybe read this thread first.
http://forum.xda-developers.com/showthread.php?t=2432476

gentlemandroid17 said:
try holding the power down for 15 seconds. phone should be completely of now. now hold volume up while plugging in usb. this should get you in download mode. now read this thread. or maybe read this thread first.
http://forum.xda-developers.com/showthread.php?t=2432476
Click to expand...
Click to collapse
thank you, but my phone is varrient-free, and I don't think any rom will work.don't see anything on the list that seems fit.
also, isn't there a way to only recover boot, and not wipe the rom entirely?

That'sa the reason why. You flashed recovery for Verizon and yours is D802 International. If you can still go to download mode, try here http://forum.xda-developers.com/showthread.php?t=2471370&highlight=brick or http://forum.xda-developers.com/showthread.php?t=2432476.
http://storagecow.eu/index.php?dir=Xda/LG+G2/Stock/ Here, choose only D802.

Related

[Q] [Q} Is my D802 Bricked?

Hi all
my D802 can't reboot with following method, could you please help me investigate how to fix it?
1. Can't enter download mode: I power it off, then hold volume up and plug in USB, but only the first screen shows up, can't enter the second one:
http://i.imgur.com/Kc4egAZ.jpg
http://i.imgur.com/jdCWBEW.jpg
So I can't flash kdz image.
2.I am able to access TWRP with official factory default( power+volume down to power on, when LG logo shows up, release power and volume down, then hold power.). But no matter I flash CloudyFlex which in my sdcard, or sideload flash others ROM, the cell phone will no boot up, always stuck at LG logo.
Any possible way to fix? Thank you very much.
helleon said:
Hi all
my D802 can't reboot with following method, could you please help me investigate how to fix it?
1. Can't enter download mode: I power it off, then hold volume up and plug in USB, but only the first screen shows up, can't enter the second one:
http://i.imgur.com/Kc4egAZ.jpg
http://i.imgur.com/jdCWBEW.jpg
So I can't flash kdz image.
2.I am able to access TWRP with official factory default( power+volume down to power on, when LG logo shows up, release power and volume down, then hold power.). But no matter I flash CloudyFlex which in my sdcard, or sideload flash others ROM, the cell phone will no boot up, always stuck at LG logo.
Any possible way to fix? Thank you very much.
Click to expand...
Click to collapse
What did you do prior to this happening? We need a story.
CuraeL said:
What did you do prior to this happening? We need a story.
Click to expand...
Click to collapse
not sure, I did few stupid things before.
1. I flashed LG G Pro 2 ROM here: http://forum.xda-developers.com/showthread.php?t=2673143 but it not good for me, so i went to recovery. but this rom replaced my recovery to a unknow one, not TWRP. when I was in this unknow recovery, my phone linked with PC via USB. PC found a lot of unformatted drivers, I did the most stupid thing: formatted one of them.
2. G Pro2 rom still can boot up, I flashed stock kdz, and rooted it with ioroot10, then flashed TWRP 2.6.3.3.
3. copy CloudyFlex_1.4.zip into sdcard through MTP mode of stock rom. reboot into recovery TWRP, flash cloudyflex, phone never boot up again.
4. No matter what rom i flash, always stuck at LG logo and the phone become hot.
sorry for my pool English.
helleon said:
not sure, I did few stupid things before.
1. I flashed LG G Pro 2 ROM here: http://forum.xda-developers.com/showthread.php?t=2673143 but it not good for me, so i went to recovery. but this rom replaced my recovery to a unknow one, not TWRP. when I was in this unknow recovery, my phone linked with PC via USB. PC found a lot of unformatted drivers, I did the most stupid thing: formatted one of them.
2. G Pro2 rom still can boot up, I flashed stock kdz, and rooted it with ioroot10, then flashed TWRP 2.6.3.3.
3. copy CloudyFlex_1.4.zip into sdcard through MTP mode of stock rom. reboot into recovery TWRP, flash cloudyflex, phone never boot up again.
4. No matter what rom i flash, always stuck at LG logo and the phone become hot.
sorry for my pool English.
Click to expand...
Click to collapse
Sorry man, I have no idea what you may have formatted then.. :/
I can't think of anything right now.. If you can't get to download mode and flash stock kdz again.. Then I don't know. I hope some one comes along that knows something. Sounds serious. I'll keep on thinking about things. But I have to leave the house now so..
Sorry.
CuraeL said:
Sorry man, I have no idea what you may have formatted then.. :/
I can't think of anything right now.. If you can't get to download mode and flash stock kdz again.. Then I don't know. I hope some one comes along that knows something. Sounds serious. I'll keep on thinking about things. But I have to leave the house now so..
Sorry.
Click to expand...
Click to collapse
thx mate. Just wondering why can't get to download mode. After formatted a driver, flash stock kdz successfully and the stock rom work pretty well.
did you fix the problem, i have almost the same issue, my phone gos into first download mode screen, but not the second one, so noway to flash a kdz, help us please.

Lg G2 hardbrick?

Hello. I have problem with new g2 d802.
After root and install twrp, then dorimanx kernel my Phone joined to fastboot mode.. I had to Flash via fastboot stock images, but unfortunely i flashed some files from sprint version.. After this Phone was in qhsusb_half mode and all partitions tried to Mount when Phone was connected. I restore all files via Ubuntu, gdisk etc. But i forget one image.. Now im stuck, After reboot device show me only lg logo, when i'll turn off device , and plug cable with vol+ it load download mode , but my PC not detect device, in device manager it dont show anything, it dont have recovery.. Vol- and cable plug show only lg logo. Can,t join any mode except download, but my PC, and laptop don't detect any device plugged. Have somone idea to solve it, or it's Just hardbrick and only service Can help? I have warranty, and i Can tell it show only lg logo After ota upadte right?
Sorry lang, via tapatalk.
OKAY I REPAIRED IT!
SOLVED problem, now i have again rooted stock rom and it's booting great.
THANKS FOR HELP!!!! :irony:
Ganjax said:
OKAY I REPAIRED IT!
SOLVED problem, now i have again rooted stock rom and it's booting great.
THANKS FOR HELP!!!! :irony:
Click to expand...
Click to collapse
Hi
can you share your solution ?
I am having the same problem as you
Thanks
Yeah, do your phone show lg logo only? Or total black?
Same problem
Ganjax said:
Yeah, do your phone show lg logo only? Or total black?
Click to expand...
Click to collapse
Hi, I'm facing the same problem.
My phone only shows lg logo.
Thanks for your help
Turn off your phone by hold power for few sec. Now hold vol- and power, when device will show you LG logo, then repress power button, but vol- need be hold non-stop . U'll see for a while white screen, and factory reset, now press 3 times power button, it should show recovery. Now search adb sideload and install by sideload philz recovery cwm. If u'll finish, reboot recovery, then wipe data/factory reset and wipe for install clean rom. Now install by adb sideload CM11. After this ur phone should boot, and show system, u should able to plug usb now and put stock rom to sd. Check my solutions. It worked for me and my phone i alive
You had a lot of luck..the first thing you have done is - you flashed the wrong kernel.
No luck, every g2 will stuck by wrong kernel flash, but ofc if it is also for G2 but other variant.
You flashed also the wrong files after

Stuck on LG Logo (Stock recovery, No DL Mode)

Hi all
First of all sorry for asking this question but after search for hours I have come across no answers.
My device wont boot, it gets stuck on the LG logo. I also cant seem to boot in Download mode to restore back to stock. The device in a G2 International and is unlocked. I have installed PC drivers etc but will not work. I turn off device completely, even tried disconnecting battery on mother board, and pressed up to boot in DL mode but it will not work just boot into LG logo again. Now i CAN get in the restore hard reset screen by pressing power and V down but it stays on the device restore screen after I have pressed power button a couple of times. Also PC will now see device when in this mode either.
Any help or pointing in the right direction would be a lot of help.
Attached are two images
Thanks You XDA community
Rueben
Rueben_ said:
Hi all
First of all sorry for asking this question but after search for hours I have come across no answers.
My device wont boot, it gets stuck on the LG logo. I also cant seem to boot in Download mode to restore back to stock. The device in a G2 International and is unlocked. I have installed PC drivers etc but will not work. I turn off device completely, even tried disconnecting battery on mother board, and pressed up to boot in DL mode but it will not work just boot into LG logo again. Now i CAN get in the restore hard reset screen by pressing power and V down but it stays on the device restore screen after I have pressed power button a couple of times. Also PC will now see device when in this mode either.
Any help or pointing in the right direction would be a lot of help.
Attached are two images
Thanks You XDA community
Rueben
Click to expand...
Click to collapse
You didn't specify if you were using a Windows PC, or a Linux OS. A Linux operating system could see the device even when Windows doesn't. Using Linux and the ADB toolkit - I would push a custom recovery to the device and then reboot into the new recovery. After that it should be easy to mount the device and install a new ROM.
Ah! Reading again, I see "installed drivers", so you must be using Windows. Try using Linux.
Thanks, so I tired the unbrick method of short circuiting the mother board and then using linux to see the partions push aboot, boot and laf img this allowed me to boot into download mode and then using flash tool to flash a UK based 4.2.2 ROM the device is now working perfectly. Thanks for you help. MOD you can close this thread now.
Link for method I used here.

[Q] Flashed wrong kernel!!!

i Was trying to get rid of the hissing noise on my
Lg g2 D802
i had TWRP installed
I read in a trhead that flashing the dorimanx kernel should fix that problem.
So i tried flash it, but instead of flashing the D802 i flashed the D800, i know i'm an idiot :/
I had a backup stock kernel but i think that's a wrong one too, again i'm an idiot
Now my phone boots into a black screen within the left top corner:
[2800] Fastboot mode started
[2850] udc_start()
i cannot boot into twrp anymore, it's basically bricked.
Can anyone help me recover my phone? i loved that thing, you will be my hero.
i promise when this is resolved i will never mess around with roms and kernels ever agian, i'm freaking out
henny420 said:
i Was trying to get rid of the hissing noise on my
Lg g2 D802
i had TWRP installed
I read in a trhead that flashing the dorimanx kernel should fix that problem.
So i tried flash it, but instead of flashing the D802 i flashed the D800, i know i'm an idiot :/
I had a backup stock kernel but i think that's a wrong one too, again i'm an idiot
Now my phone boots into a black screen within the left top corner:
[2800] Fastboot mode started
[2850] udc_start()
i cannot boot into twrp anymore, it's basically bricked.
Can anyone help me recover my phone? i loved that thing, you will be my hero.
i promise when this is resolved i will never mess around with roms and kernels ever agian, i'm freaking out
Click to expand...
Click to collapse
Try to flash back to stock with kdz, as far as I am hearing this you kinda soft bricked it but not hard so it's still recoverable, you could also maybe try to flash your recovery back with fastboot since your in fastboot mode but I never tried that so I suggest you to go back to stock with kdz flashing
ye try enter download mode and follow this (use search) i think its volum up and connect usb to pc
http://forum.xda-developers.com/showthread.php?t=2432476
wulsic said:
Try to flash back to stock with kdz, as far as I am hearing this you kinda soft bricked it but not hard so it's still recoverable, you could also maybe try to flash your recovery back with fastboot since your in fastboot mode but I never tried that so I suggest you to go back to stock with kdz flashing
Click to expand...
Click to collapse
thank you for your response, but i am kind of noob and have no idea how to do that correctly, could you link something or explain it?
henny420 said:
thank you for your response, but i am kind of noob and have no idea how to do that correctly, could you link something or explain it?
Click to expand...
Click to collapse
Try the link above mentioned by Overclocked
OverClockeD_GR said:
ye try enter download mode and follow this (use search) i think its volum up and connect usb to pc
http://forum.xda-developers.com/showthread.php?t=2432476
Click to expand...
Click to collapse
Thank you for your reply, i tried to get into download mode, but failed every time, i can only press the power button for 5 sec and the Lg logo apears, then i get the same screen.
did this way?
Your phone must be turned off before starting the steps from this guide.
So, press power button and select “power off”.
Then, press the volume up button on your LG G2.
While you are holding the volume up button, plug in your phone’s USB cable.
Keep pressing the Volume up button until the download mode is being displayed.
Now the phone will install some drivers – it should take around 10 minutes to complete; the best will be to let your device install the mentioned drivers.
OverClockeD_GR said:
did this way?
Your phone must be turned off before starting the steps from this guide.
So, press power button and select “power off”.
Then, press the volume up button on your LG G2.
While you are holding the volume up button, plug in your phone’s USB cable.
Keep pressing the Volume up button until the download mode is being displayed.
Now the phone will install some drivers – it should take around 10 minutes to complete; the best will be to let your device install the mentioned drivers.
Click to expand...
Click to collapse
the problem is, i can't turn it off (very weird) it instantly gives me the logo for 1sec and turns back to the same screen.
you can also try this.
http://forum.xda-developers.com/showthread.php?t=2477595
just use search mate like i do now... its soft brick i think relax and you will find it many had same prob before
henny420 said:
i Was trying to get rid of the hissing noise on my
Lg g2 D802
i had TWRP installed
I read in a trhead that flashing the dorimanx kernel should fix that problem.
So i tried flash it, but instead of flashing the D802 i flashed the D800, i know i'm an idiot :/
I had a backup stock kernel but i think that's a wrong one too, again i'm an idiot
Now my phone boots into a black screen within the left top corner:
[2800] Fastboot mode started
[2850] udc_start()
i cannot boot into twrp anymore, it's basically bricked.
Can anyone help me recover my phone? i loved that thing, you will be my hero.
i promise when this is resolved i will never mess around with roms and kernels ever agian, i'm freaking out
Click to expand...
Click to collapse
I did the same thing today by accident. I still can boot into recovery tho, TWRP. Copied the correct kernel file via OTG but it just reboots the recovery and doesn't install the kernel. Have you find any solutions?
EDIT: I actually managed to flash the right kernel and the problem is now fixed. Check everything before flashing something guys, caution

No fastboot, recovery, or DL mode, rom works, please help!

TL;DR The title
Hey XDA,
So about a month or two ago, I decided to check out xdabbeb's VS982.5 rom because i felt like a bit of fresh air after all the lollipop roms was in order. So I grabbed his bumped bootstack+recovery, and flashed over to the rom.
What I didn't anticipate(and what I really shoule have) was the issues I would have getting back over to a lollipop rom because of the compatibility problems between loki'd and bumped roms and recoveries.
This is where my memory gets fuzzy because this was so long ago, and I apologize if that causes issues with fixing my problem. I do remember trying several different recoveries and bootstacks and none of them would flash because of the bumped recovery. Eventually I found a way to get back to my backup (The January 11th build of BlissPop). However, I still could not flash roms because of the bumped recovery I could not get off of. I tried several different recoveries, and several different methods of flashing them.
Eventually I downloaded flashify off the play store and downloaded the a recovery from there and flashed it from there, which to my recollection broke both my download mode and my recovery. The rom still works, but I can't access recovery or download mode to flash any new roms or do anything besides what is in the rom.
I would appreciate any suggestions anybody has for me, and am willing to totally revert to stock to fix this.
Much thanks!
EDIT: I was using/flashing TWRP builds for all of this in case it was unclear
check if you can get download mode using the mae way (vol up + power) but with usb cable pluged in, plug the usb cabe, presse the combo (up+pwr) and keep pressing until it reboots into downloadmode *always with usb plugged.
If you genuinely can't access recovery or download mode, you can enable usb debugging, adb shell, then dd write aboot, boot and laf to ensure the restoration of download mode. Might want to also write twrp recovery at that time so you have a bailout plan.
rafaelsartori said:
check if you can get download mode using the mae way (vol up + power) but with usb cable pluged in, plug the usb cabe, presse the combo (up+pwr) and keep pressing until it reboots into downloadmode *always with usb plugged.
Click to expand...
Click to collapse
Ah, trying this got me into DL mode safely. Thanks a ton, I'll make my way back to stock now.
LtZKilla said:
Ah, trying this got me into DL mode safely. Thanks a ton, I'll make my way back to stock now.
Click to expand...
Click to collapse
good to be usefull, we are here to help each other. thanks buton make that be more cool.
In my case I couldn't get into download mode.
This happened after flashing rpm, tz, boot and recovery partitions.
The screen doesn't show any logo and seems to be rebooting in a loop.
What can I do ?
Have you tried pressing volume down+ power an as soon as LG logo appears let both buttons off and press volumw down+volume up
Sometimes it works for goung into recovert
If asks for hard reset press YES YES YES and here you go
Hope it helps
Sadly my phone is not showing the logo, or anything on screen.
I can see that the screen is On because it has a weak glow, but it loops as if it was failing to boot the device.
When plugged to a macbook, I get this msg in dmesg:
hidd[65]: MultitouchHID: device bootloaded
kernel[0]: USBMSC Identifier (non-unique): 1234567890ABCDEF 0x5c6 0x9006 0x0, 2
kernel[0]: AppleUSBMultitouchDriver::message - kIOUSBMessagePortHasBeenReset.
kernel[0]: AppleUSBMultitouchDriver::checkStatus - received Status Packet, Payload 2: device was reinitialized
That repeats with the loop I mentioned previously.
This started happening after I I used 'fastboot' to flash partitions. I have tried many combinations to reset it, but none work, the screen never shows logos or error msgs...... that is really really disappointing about the device....
Has anybody found a fix for this? I'm in the same boat now, flashed CM12, went to update my outdated TWRP recovery and now its just a blank screen when I boot into recov, the ROM works fine. I'm afraid to do the aboot method because it seems like a lot of people are bricking.
At least I'm lucky I'm on a somewhat stable ROM at the moment.

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