Stuck in fastboot & download mode - G2 Q&A, Help & Troubleshooting

Hey guys im trying to back to a fresh stock rom. (VS980)I downloaded all the necessary files, drivers, lgflash tools etc etc. however my computer still cannot recognize my phone. under ports there is not an ANDROID port for my phone. (since we need to change it to COM41)
any ideas or suggestions?

daimonmustdie said:
Hey guys im trying to back to a fresh stock rom. (VS980)I downloaded all the necessary files, drivers, lgflash tools etc etc. however my computer still cannot recognize my phone. under ports there is not an ANDROID port for my phone. (since we need to change it to COM41)
any ideas or suggestions?
Click to expand...
Click to collapse
what comp/ operating system are you on?
plug directly into the computer, not a hub.

Gabriel51 said:
what comp/ operating system are you on?
plug directly into the computer, not a hub.
Click to expand...
Click to collapse
its a pc, wins7 64 bit

daimonmustdie said:
its a pc, wins7 64 bit
Click to expand...
Click to collapse
Do you find it in the device manager?

Gabriel51 said:
Do you find it in the device manager?
Click to expand...
Click to collapse
it shows up when its showing the LG logo, but when its on download mode, its blank.

daimonmustdie said:
it shows up when its showing the LG logo, but when its on download mode, its blank.
Click to expand...
Click to collapse
When it's in the download mode it may show up in a different location in the device manager and be listed only as "android".
Do you hear any sound from the computer when you plug it in when in download mode?
What does your download screen look like?
Once these questions are answered, there may be a solution. Hopefully a CDMA device won't be different

Gabriel51 said:
When it's in the download mode it may show up in a different location in the device manager and be listed only as "android".
Do you hear any sound from the computer when you plug it in when in download mode?
What does your download screen look like?
Once these questions are answered, there may be a solution. Hopefully a CDMA device won't be different
Click to expand...
Click to collapse
Hi i just got my phone back from a cell phone repair shop, they had no luck either.
to answers your questions:
i hear no sound from the computer when i plug it in to turn on download mode.
my download screen says Firmware Update on top, "do not unplug the USB connecton...." 0%. in the bottom it says b17 and ROOTED in red.

daimonmustdie said:
Hi i just got my phone back from a cell phone repair shop, they had no luck either.
to answers your questions:
i hear no sound from the computer when i plug it in to turn on download mode.
my download screen says Firmware Update on top, "do not unplug the USB connecton...." 0%. in the bottom it says b17 and ROOTED in red.
Click to expand...
Click to collapse
there are two possibilities.. First, your phone is already hard bricked.. second is, your battery is absolutely dead with no power left...
Well, Have you tried to check the battery itself?

Rei Zazie said:
there are two possibilities.. First, your phone is already hard bricked.. second is, your battery is absolutely dead with no power left...
Well, Have you tried to check the battery itself?
Click to expand...
Click to collapse
hmmmm hardbricked? i can get into download mode and stock recovery. I messed around with adb sideload last night trying to flash a custom recovery but it kept saying installation aborted on the phone. i even tried adb push but it keeps saying error:closed in the cmd prompt.
how can i check the battery? its non removeable.
thanks for helping, any ideas is appreciated!

daimonmustdie said:
hmmmm hardbricked? i can get into download mode and stock recovery. I messed around with adb sideload last night trying to flash a custom recovery but it kept saying installation aborted on the phone. i even tried adb push but it keeps saying error:closed in the cmd prompt.
how can i check the battery? its non removeable.
thanks for helping, any ideas is appreciated!
Click to expand...
Click to collapse
ok, so have you tried it using different PC or laptop?
(last option if nothing else to try) if you want to check the battery :
DIY remove the case ( there are several tutorials in youtube, but of course, do it with your own risk)

daimonmustdie said:
Hi i just got my phone back from a cell phone repair shop, they had no luck either.
to answers your questions:
i hear no sound from the computer when i plug it in to turn on download mode.
my download screen says Firmware Update on top, "do not unplug the USB connecton...." 0%. in the bottom it says b17 and ROOTED in red.
Click to expand...
Click to collapse
It's not hard bricked/
Getting into download mode proves this.
You must get your computer to recognize your device in order to communicate with it. So I would not consider anything else until that is accomplished. PERIOD!
1. Are you using a USB 2.0 port? usb 3.0 will not work a lot of the time. (Important)
2. Have you tried another usb cable?
3. I think we discussed the drivers, I have them if needed
What operating system are you using?
If nothing here helps we can we can use "TeamViewer 9" which will give me control of your computer to help resolve this issue...

Gabriel51 said:
It's not hard bricked/
Getting into download mode proves this.
You must get your computer to recognize your device in order to communicate with it. So I would not consider anything else until that is accomplished. PERIOD!
1. Are you using a USB 2.0 port? usb 3.0 will not work a lot of the time. (Important)
2. Have you tried another usb cable?
3. I think we discussed the drivers, I have them if needed
What operating system are you using?
If nothing here helps we can we can use "TeamViewer 9" which will give me control of your computer to help resolve this issue...
Click to expand...
Click to collapse
when i turn on my phone, and the LG logo is on the screen, my computer recognizes the phone, it will say LGE androidnet...but when i go to download mode the computer will not recognize. its weird
1. 2.0 ports
2. ive been trying the original LG cable and a motorola cable. no success
3. as for drivers. installed as of now are the LG verizon united driver 2.14.1 and LG united mobile driver 3.12.3.0
4. win 7 64 bit

daimonmustdie said:
when i turn on my phone, and the LG logo is on the screen, my computer recognizes the phone, it will say LGE androidnet...but when i go to download mode the computer will not recognize. its weird
1. 2.0 ports
2. ive been trying the original LG cable and a motorola cable. no success
3. as for drivers. installed as of now are the LG verizon united driver 2.14.1 and LG united mobile driver 3.12.3.0
4. win 7 64 bit
Click to expand...
Click to collapse
That is weird
will it go into recovery?

Gabriel51 said:
That is weird
will it go into recovery?
Click to expand...
Click to collapse
stock recovery.

daimonmustdie said:
stock recovery.
Click to expand...
Click to collapse
Will it boot into recovery?

Gabriel51 said:
Will it boot into recovery?
Click to expand...
Click to collapse
yes it will

daimonmustdie said:
yes it will
Click to expand...
Click to collapse
can you do a factory reset from there? I sold my g2 so i can't check for myself

Gabriel51 said:
can you do a factory reset from there? I sold my g2 so i can't check for myself
Click to expand...
Click to collapse
yes i can

daimonmustdie said:
yes i can
Click to expand...
Click to collapse
what happens when you do a factory reset?

Gabriel51 said:
what happens when you do a factory reset?
Click to expand...
Click to collapse
nothing, it reboots and the LG logo appears and thats it..no O.S.

Related

[Q] PC died when upgrading GT540

Like topic says. Was doin' it via LG PC Suite. Now it's only LG logo on my phone. Any ideas what should I do?
Are you planning to install custom ROMs on your phone?
If so, check this out:
http://forum.xda-developers.com/showpost.php?p=16783348&postcount=1
Instead of doing this:
Prepare the phone by enabling USB Debugging by going to Settings>Applications>Development>Enable USB Debugging and connect the phone to the computer via USB cable and let Windows install any drivers it needs.
Click to expand...
Click to collapse
Do this instead:
Hold down volume down and plug in the USB cable and 'download mode' should come up on the screen. Let windows install any drivers it needs. Then launch software update.
Click to expand...
Click to collapse
Hope it fixes your problem and device
Same thing happened to me, bricked my device, took it to phone shop they flashed the board and it worked again, think i could have just entered download mode and reinstalled but, i was a noob then still am tbh
Just put your phone into download mode.
Flash fastboot.
Then reflash your ROM!!
ALL DONE XD
Any
You can flash any ROM you want via fastboot and any failed attempts won't completely brick your phone.

Please please help me!

When trying to download an OTA for my LG-D800, I flashed TWRP but then flashed Stock Recovery, but when I tried to update it, it powered down then stayed on the LG boot up screen, and stays there, there is no white text in the corner, no download mode, and of course no recovery. Also now my laptop can't see my phone. Please help me. Thank you!
bryantx24 said:
When trying to download an OTA for my LG-D800, I flashed TWRP but then flashed Stock Recovery, but when I tried to update it, it powered down then stayed on the LG boot up screen, and stays there, there is no white text in the corner, no download mode, and of course no recovery. Also now my laptop can't see my phone. Please help me. Thank you!
Click to expand...
Click to collapse
This thread should Help you
http://forum.xda-developers.com/showthread.php?t=2582142
with this procedure i revived my G2 after nearly he same problem
Skolotaie said:
This thread should Help you
http://forum.xda-developers.com/showthread.php?t=2582142
with this procedure i revived my G2 after nearly he same problem
Click to expand...
Click to collapse
I tried this already, but my computer does not show the phone at all.
bryantx24 said:
I tried this already, but my computer does not show the phone at all.
Click to expand...
Click to collapse
Do you tried different Usb Ports ?
If you have the Chance you should try it on a other Pc
+ I had to Use my Usb 2.0 Ports the Usb 3 ports never wanted to Recognize the phone
Its a Tricky Process and took me also a while but hey its worth it right
Skolotaie said:
Do you tried different Usb Ports ?
If you have the Chance you should try it on a other Pc
+ I had to Use my Usb 2.0 Ports the Usb 3 ports never wanted to Recognize the phone
Its a Tricky Process and took me also a while but hey its worth it right
Click to expand...
Click to collapse
I tried and I don't have another computer
bryantx24 said:
I tried and I don't have another computer
Click to expand...
Click to collapse
Aw Damn :c
Wish i could Help more but lets wait
I bet somone here can help you dont give up the Hope
Maybe the only thing wich keeps the Phone from beeing recognized is a Driver Problem
Skolotaie said:
Aw Damn :c
Wish i could Help more but lets wait
I bet somone here can help you dont give up the Hope
Maybe the only thing wich keeps the Phone from beeing recognized is a Driver Problem
Click to expand...
Click to collapse
I wonder why it won't show up at all? I am going to reinstall the drivers.
bryantx24 said:
I wonder why it won't show up at all? I am going to reinstall the drivers.
Click to expand...
Click to collapse
UPDATE:Nothing has worked yet.
I literally had to try 2-3 usb CORDS to get my cpu to see my lg g2
Danokan said:
I literally had to try 2-3 usb CORDS to get my cpu to see my lg g2
Click to expand...
Click to collapse
I used a couple none of the worked.
I was able to connect the device to the phone, but no ADB and its called: Unknown USB Device (Device Descriptor Failed), but it does not show up in Ubuntu.
bryantx24 said:
I was able to connect the device to the phone, but no ADB and its called: Unknown USB Device (Device Descriptor Failed), but it does not show up in Ubuntu.
Click to expand...
Click to collapse
I could never get my cpu to recognize my phone while in recovery.
I used two different computers and couldn't get anything.
When the ROM is working.. I can.
Are you positive you can't get it into download mode?
Try this.
Power off phone completely.
Attach usb cord WHILE holding the VOL up button.
See if that gets it into download mode.
If you can... then you can do the KDZ or TOT "unbrick back to stock" method.
I tried both of those.. but none worked for me.
This one worked for me though:
http://forum.xda-developers.com/showthread.php?t=2448960
Danokan said:
I could never get my cpu to recognize my phone while in recovery.
I used two different computers and couldn't get anything.
When the ROM is working.. I can.
Are you positive you can't get it into download mode?
Try this.
Power off phone completely.
Attach usb cord WHILE holding the VOL up button.
See if that gets it into download mode.
If you can... then you can do the KDZ or TOT "unbrick back to stock" method.
I tried both of those.. but none worked for me.
This one worked for me though:
http://forum.xda-developers.com/showthread.php?t=2448960
Click to expand...
Click to collapse
No, I can't get into download mode, I have no recovery and I have an ATT LG G2

Recent update to Note 4 now keeps booting up and restarting

Hi,
Im looking for a little help. I installed a recent update (today) from Samsung. My battery seems to run hot and I started the phone up entered my password and the phone reboots after about 5 seconds, every time. I don't even get enough time to do a reset and wipe.
Now, 've gone into recovery mode, it says Installing System Update then comes up No command. I've wiped cache partition and wiped data/factory reset. When the phone boots up it goes as if re-installing everything then reboots again.
I want to put a custom ROM in but need the damn phone working first
What can I do?
Put phone into download mode (volume down/home/power whilst turning on) and flash TWRP recovery using odin. From there you can flash custom ROM.
robneymcplum said:
Put phone into download mode (volume down/home/power whilst turning on) and flash TWRP recovery using odin. From there you can flash custom ROM.
Click to expand...
Click to collapse
Damn late reply from me but nomatter what I do I cant get Win 10 to recognise USB device ffs
I've got the same problem after the latest update. I tried a factory reset and now it reboots in system or recovery mode. Phone is not rooted.
In download mode it is not seen by the PC.
N345H said:
Damn late reply from me but nomatter what I do I cant get Win 10 to recognise USB device ffs
Click to expand...
Click to collapse
Have you tried installing Samsung USB drivers on your pc?
ctg60000 said:
Have you tried installing Samsung USB drivers on your pc?
Click to expand...
Click to collapse
Yes, installed SAMSUNG_USB_Driver_for_Mobile_Phones_v1.5.25.0-retail and Kies etc, tried messing with all sorts of settings and USB device still not recognised
N345H said:
Yes, installed SAMSUNG_USB_Driver_for_Mobile_Phones_v1.5.25.0-retail and Kies etc, tried messing with all sorts of settings and USB device still not recognised
Click to expand...
Click to collapse
Try using some other PC and same phone, then same PC and some other phone.... just to find out which one's faulty...
ctg60000 said:
Try using some other PC and same phone, then same PC and some other phone.... just to find out which one's faulty...
Click to expand...
Click to collapse
Tried 3 different laptops now and not recognised. My Pixel is recognised straight away on all
N345H said:
Tried 3 different laptops now and not recognised. My Pixel is recognised straight away on all
Click to expand...
Click to collapse
PC does not recognise or does not see the device?
check this post, might be helpful.
https://forum.xda-developers.com/galaxy-s2/general/usb-device-recognized-download-mode-t1600497
ctg60000 said:
PC does not recognise or does not see the device?
check this post, might be helpful.
https://forum.xda-developers.com/galaxy-s2/general/usb-device-recognized-download-mode-t1600497
Click to expand...
Click to collapse
Thanks, I will check the link you gave.
I have uploaded what is happening to the device so you can see https://youtu.be/3olI3s1M5rQ
So, I tried the link you put up, still nothing, the device is a no show in Odin
Also, link to device and no USB connection https://youtu.be/zKe1gSiaYYM
I brought mine into the local Samsung service centre and they replaced the mainboard under warranty.

[Help] No Recovery, Boot loop, and not recognized by Odin

Seems I've hit the jackpot, my phone's a potato. I had just installed king of nougat v9 and it worked fine until I rebooted into recovery by holding the power button and selecting recovery. At first it was in a boot loop and wouldn't open recovery or get recognized by odin, I read somewhere here to disconnect the battery so I opened the back cover and disconnected it which apparently ****ed the phone a step further now it's dead unless it's connected to a power source and after disconnecting it stays on samsung logo/download mode for a bit then dies.
On my old rom it was working fine except for the fact that I couldn't connect the phone to pc as storage, and it couldn't recognize usb devices I plugged in using the adapter. I took the phone to a repair shop and they said they replaced the micro usb assembly and it still didn't show up on odin, then a few days later they said it's a problem with the power IC and they replaced that then the guy said it worked once on odin then stopped again.
Idk what to do lol, phone's bricked or should I try a different repair shop incase these were idiots.
note: it says device descriptor request failed when connected to pc
Have you tried to reboot to the bootloader by holding down the power button, home button and volume down when your phone is at the android logo?
TheSproker said:
Have you tried to reboot to the bootloader by holding down the power button, home button and volume down when your phone is at the android logo?
Click to expand...
Click to collapse
yeah it gets into download mode but it doesn't show up on odin
HNDRXX said:
yeah it gets into download mode but it doesn't show up on odin
Click to expand...
Click to collapse
Then it means you must install Samsung drivers, so that the computer would recognize your phone. Try downloading smart switch or kies and that should also install the drivers.
or try different ver. of odin
TheSproker said:
Then it means you must install Samsung drivers, so that the computer would recognize your phone. Try downloading smart switch or kies and that should also install the drivers.
Click to expand...
Click to collapse
yaro666 said:
or try different ver. of odin
Click to expand...
Click to collapse
tried both of the above
Try clean install Samsung Drivers and other version of Odin. It should be (have to be) show in Odin after all of these.
hacklesss said:
Try clean install Samsung Drivers and other version of Odin. It should be (have to be) show in Odin after all of these.
Click to expand...
Click to collapse
no luck there's definitely a hardware issue.
HNDRXX said:
no luck there's definitely a hardware issue.
Click to expand...
Click to collapse
Is pc respond when you plug usb cable ? (In download mode)
hacklesss said:
Is pc respond when you plug usb cable ? (In download mode)
Click to expand...
Click to collapse
it says device descriptor request failed when connected to pc
"device descriptor request failed when connected to pc" sounds like a windows problem not android. You can check in the "computer management" device manager to see if the phone is recognized. I am going to assume not.
Try this link for possible solutions. https://www.drivereasy.com/knowledg...ice-descriptor-request-failed-for-windows-10/
surfer3000 said:
"device descriptor request failed when connected to pc" sounds like a windows problem not android. You can check in the "computer management" device manager to see if the phone is recognized. I am going to assume not.
Try this link for possible solutions. https://www.drivereasy.com/knowledg...ice-descriptor-request-failed-for-windows-10/
Click to expand...
Click to collapse
I agree with that %100 percent ?
HNDRXX said:
no luck there's definitely a hardware issue.
Click to expand...
Click to collapse
Hey, do you figured it out what problem it is? I've the same problem and tried all of the PC/Windows tips and tricks.

Bootloop Problem / Unable to flash as i can't even install usb driver

Hey there guys, so as the title suggests, i'm having a bootloop problem on my m30s sm-307f, i can't access recovery mode, and i'm unable to start the flashing process because i can't even install the usb driver, i've tried several drivers, using several cables, on several systems (windows 7 / windows 10 / windows 11), and i always get that infamous yellow triangle on the SAMSUNG Mobile USB CDC Composite Device in the Universal Serial Bus Controllers section in the device manager, the phone was operating normally one day, and the next day when i try to power it on, i get this, i'm absolutely certain that i did nothing to the phone, not even an update, and it most definitely didn't fall to the ground, please respond, i have really important data there, and it would devastating to lose it, and thanks a lot.
Can you access Download Mode?
UniX1803 said:
Can you access Download Mode?
Click to expand...
Click to collapse
Yes i can.
Ok. Can Odin detect your phone?
UniX1803 said:
Ok. Can Odin detect your phone?
Click to expand...
Click to collapse
No, unfortunately it can't, which is to be expected since windows itself can't detect it.
Is your USB Cable connected when you try to boot to Recovery Mode? when the screen goes black, press Vol+ & Power until Samsung Logo appears, Release Power, hold Vol+ until Recovery Mode appears.
UniX1803 said:
Is your USB Cable connected when you try to boot to Recovery Mode? when the screen goes black, press Vol+ & Power until Samsung Logo appears, Release Power, hold Vol+ until Recovery Mode appears.
Click to expand...
Click to collapse
I do know how to get to download mode, i did of course try, and although it does appear on the phone that it's working, the computer doesn't detect the latter as i explained, and as such, odin doesn't detect it as well.
I was talking about Recovery Mode.
UniX1803 said:
I was talking about Recovery Mode.
Click to expand...
Click to collapse
Sorry, i didn't notice that, i'm unable to access recovery mode either because the phone just keeps rebooting.
I had the same problem but following the mentioned steps did worked for me. It's that short moment when the screen turns black, where you have to push that buttons. USB Cable needs to be plugged in!
If this solution is not working for you, try searching the web. I found more than one potential solution. Good luck.
UniX1803 said:
I had the same problem but following the mentioned steps did worked for me. It's that short moment when the screen turns black, where you have to push that buttons. USB Cable needs to be plugged in!
If this solution is not working for you, try searching the web. I found more than one potential solution. Good luck.
Click to expand...
Click to collapse
Thanks a lot for the help, i really appreciate it, some people are saying that it's a motherboard problem, what do you think ?
Could be, but i'm not sure. I would try to find a software solution, until you are sure it's not to get fixed on this way.
UniX1803 said:
Could be, but i'm not sure. I would try to find a software solution, until you are sure it's not to get fixed on this way.
Click to expand...
Click to collapse
You're right, again, thanks a lot for your help.
Try uninstalling the device in device manager and try those before plugging it in again.
Samsung Android USB Driver | Samsung Developers
You need the driver only if you are developing on Windows and want to connect a Samsung Android device to your development environment over USB.
developer.samsung.com
treety said:
Try uninstalling the device in device manager and try those before plugging it in again.
Samsung Android USB Driver | Samsung Developers
You need the driver only if you are developing on Windows and want to connect a Samsung Android device to your development environment over USB.
developer.samsung.com
Click to expand...
Click to collapse
I've already tried them, they didn't work as intended unfortunately, thanks for the reply though.
Were you ever able to solve this? Is it a hardware issue? I think that may be the correct determination. I'm going to take this one apart and see if I find anything that would corroborate.
stoag said:
Were you ever able to solve this? Is it a hardware issue? I think that may be the correct determination. I'm going to take this one apart and see if I find anything that would corroborate.
Click to expand...
Click to collapse
Unfortunately, i wasn't able to, but i think it's most likely hardware related.

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