Database Users

Brick lg g2 ***help****

HI,
today i root my LG G2, when i want to unlock the bootlooader with an app (autorec) my LG G2 brick. Everything i do my LG has in a black screen:
[15700] fastboot mode started
[15750] udc_start
(and if i connect the devices with the PC there are other similar option)
I try to put in download mode but this screen is always....i try to connect of fast boot but when i want to do "erase chance" ot similar the software doesn't go....the only command who works are "reboot" o "reboot"....
@all driver are installated
Thank you for support :crying::crying:

Andy991 said:
HI,
today i root my LG G2, when i want to unlock the bootlooader with an app (autorec) my LG G2 brick. Everything i do my LG has in a black screen:
[15700] fastboot mode started
[15750] udc_start
(and if i connect the devices with the PC there are other similar option)
I try to put in download mode but this screen is always....i try to connect of fast boot but when i want to do "erase chance" ot similar the software doesn't go....the only command who works are "reboot" o "reboot"....
@all driver are installated
Thank you for support :crying::crying:
Click to expand...
Click to collapse
d802 ?

bender_007 said:
d802 ?
Click to expand...
Click to collapse
Yes, thank you for your reply....now i m trying with everything but it's hard.... also with this guide (http://forum.xda-developers.com/showthread.php?t=2432476) but nothing....the tool of LG don't read my device
I m not a master of modding...i need some help not too hard...

Andy991 said:
Yes, thank you for your reply....now i m trying with everything but it's hard.... also with this guide (http://forum.xda-developers.com/showthread.php?t=2432476) but nothing....the tool of LG don't read my device
I m not a master of modding...i need some help not too hard...
Click to expand...
Click to collapse
Try the dload from pm.
Please read instructions.

bender_007 said:
Try the dload from pm.
Please read instructions.
Click to expand...
Click to collapse
Is there a guide for LG G2? i don't know this method....I know that i can do in download mode with button + and power but is there the same black screen....
And i don't have a second phone.....thank you

Just hold the volume up(+) and connect to pc(no power or anything..just volume)

bender_007 said:
Just hold the volume up(+) and connect to pc(no power or anything..just volume)
Click to expand...
Click to collapse
Nothing, when the device connect with the PC appears the same black screen....also with only volume +

Solved.

bender_007 said:
Solved.[/QUOTE/
How did you solved it? thanks
Click to expand...
Click to collapse

sid1990 said:
bender_007 said:
Solved.[/QUOTE/
How did you solved it? thanks
Click to expand...
Click to collapse
flash partitions via fastboot.
You've got the same issue ?
Click to expand...
Click to collapse

bender_007 said:
sid1990 said:
flash partitions via fastboot.
You've got the same issue ?
Click to expand...
Click to collapse
Yes, i tried to install recovery with autorec but something gone wrong. I have always the same black screen.. no Lg logo, no download mode, ecc..
Are you talkink about the fix using linux/ubuntu?
Click to expand...
Click to collapse

sid1990 said:
bender_007 said:
Yes, i tried to install recovery with autorec but something gone wrong. I have always the same black screen.. no Lg logo, no download mode, ecc..
Are you talkink about the fix using linux/ubuntu?
Click to expand...
Click to collapse
Wrong variant I guess.
No, this one was using fastboot.
You've got the black screen ? New device in device manager ?
Click to expand...
Click to collapse

bender_007 said:
sid1990 said:
Wrong variant I guess.
No, this one was using fastboot.
You've got the black screen ? New device in device manager ?
Click to expand...
Click to collapse
Yes i've read something about variants... Is there any guide or tutorial to fix thix this problem? thanks for your help guy!
Click to expand...
Click to collapse

sid1990 said:
bender_007 said:
Yes i've read something about variants... Is there any guide or tutorial to fix thix this problem? thanks for your help guy!
Click to expand...
Click to collapse
This
should help you.
Follow the back link(button) to find your partitions.
flash aboot, boot, recovery and laf only.
Click to expand...
Click to collapse

LG Stylo 2 (K540) Cricket No Fastboot or recovery

So i have been trying to unlock the bootloader to my lg stylo 2 but.... i cant get into fastboot with adb so basicaly i can't even unlock the bootloader
BTW I am pretty noobish and not the best but ive tried everything to get into the bootloader
ive tried
adb reboot bootloader (just restarts phone)
tried adb reboot-bootloader samething
also tried adb reboot recovery (reboots phone)

HERPDERP202 said:
So i have been trying to unlock the bootloader to my lg stylo 2 but.... i cant get into fastboot with adb so basicaly i can't even unlock the bootloader
BTW I am pretty noobish and not the best but ive tried everything to get into the bootloader
ive tried
adb reboot bootloader (just restarts phone)
tried adb reboot-bootloader samething
also tried adb reboot recovery (reboots phone)
Click to expand...
Click to collapse
You probably have one of the devices that has fastboot and recovery removed by your carrier to prevent modifying the device. You're probably out of luck.
Sent from my SM-S903VL using Tapatalk

Droidriven said:
You probably have one of the devices that has fastboot and recovery removed by your carrier to prevent modifying the device. You're probably out of luck.
Sent from my SM-S903VL using Tapatalk
Click to expand...
Click to collapse
Well crap nothing at all ?

HERPDERP202 said:
Well crap nothing at all ?
Click to expand...
Click to collapse
Yup same here, damn you Cricket

Blame LG
I'd just like to point out the fact that this was done by LG, not Cricket. I've been researching this for months (to no avail yet, sadly) and there were a few phones that LG sold to Cricket where the bootloader is locked up, i.e. LG Stylo 2 (k540) and the LG Escape 3 (k373). This is something Cricket cannot change and LG is unwilling to help anyone do anything that will void the warranty to their phone. I'm still researching to see if anyone who knows more coding will be able to figure it out.

I need HELP!! no fastboot for me!

That´s it, my phone is detected with lg bridge with lg up but adb commands doesn´t find the phone. something to do?

SLC 21 said:
That´s it, my phone is detected with lg bridge with lg up but adb commands doesn´t find the phone. something to do?
Click to expand...
Click to collapse
You did remember to turn on usb debugging, right?

yes, i turned it on yesterday just only one time and i don t know why can´t i do it again. My Phone is bricked on firmware update screen. Çan´t recognize with lg up and lg bridge. One person told me that the boot loader does not work and that is why the phone can not be turned on.

SLC 21 said:
yes, i turned it on yesterday just only one time and i don t know why can´t i do it again. My Phone is bricked on firmware update screen. Çan´t recognize with lg up and lg bridge. One person told me that the boot loader does not work and that is why the phone can not be turned on.
Click to expand...
Click to collapse
What model V20 do you have? Does it go into download mode?

BackCheck said:
What model V20 do you have? Does it go into download mode?
Click to expand...
Click to collapse
h990ds model, yes but some person told me that the bootloader is broken and can´t turn on again after a lg up procces at 100% and they comes again on firmware update screen.

Lg v20 h990ds stuck on bootloop

My Lg H990 ds stuck on bootloop, the only mode that i can get to is fast boot mode .i know only fastboot mode is last hope for my phone alive.
I wants unlock bootloader file for partition install @ fastboot mode .....
Plz help me

What happens when you try to get into bootloader?
Sent from my HTC U11 using Tapatalk

Nightshadow931 said:
What happens when you try to get into bootloader?
Sent from my HTC U11 using Tapatalk
Click to expand...
Click to collapse
Thanks for reply,
I have a LG v20 H990DS international Model use in KSA. Every think is working good after I factory reset then it’s started the boot loop, shows Lg boot screen and restart again and again.
I try to enter into Download mode (Vol+then plug in to pc) but say Download mode please wait then continuous looping the lg logo. The only mode that I can get to is fast boot. Even doing a factory reset does not work.
I know only Fastboot mode is last hope for my phone alive.
its only solution re- partition the device and install files through fastboot mode but fist erase laf.img with help of fastboot mode its say device is lock cannot erase.
so how i unlock device ?
i also check LG unlock bootloader page but my device is not in listed......
so what i can do ?
plz help me

Were you rooted before? Bootloader unlocked, TWRP?
Sent from my HTC U11 using Tapatalk

Nightshadow931 said:
Were you rooted before? Bootloader unlocked, TWRP?
Sent from my HTC U11 using Tapatalk
Click to expand...
Click to collapse
No rooted this device ..... problem start when i factory reset the device then it’s started the boot loop......

Aman gee said:
Thanks for reply,
I have a LG v20 H990DS international Model use in KSA. Every think is working good after I factory reset then it’s started the boot loop, shows Lg boot screen and restart again and again.
I try to enter into Download mode (Vol+then plug in to pc) but say Download mode please wait then continuous looping the lg logo. The only mode that I can get to is fast boot. Even doing a factory reset does not work.
I know only Fastboot mode is last hope for my phone alive.
its only solution re- partition the device and install files through fastboot mode but fist erase laf.img with help of fastboot mode its say device is lock cannot erase.
so how i unlock device ?
i also check LG unlock bootloader page but my device is not in listed......
so what i can do ?
plz help me
Click to expand...
Click to collapse
hi dude,just wondering if your problem still exist?
I have the same problem,last night my LG V20 suddenly bootloop,I didn't do anything like flashing,root,unlock etc,since I don't know how to..just want to use this phone as daily device..
I read here in xda bout how to flash the stock firmware I understand a little bit how to flash it but everytime I plug the phone (vol+ and plug to PC) it show "downloading mode" or something,then the phone keep bootlooping to LG logo and this software LGUP doesn't recognize my phone..could be a driver problem?I believe I have download and install any LG V20 I can find here in xda..can you help me please?how to connect the phone to the PC so LGUP can recognize the phone?
sorry for this stupid question and my bad english

Galon123 said:
hi dude,just wondering if your problem still exist?
I have the same problem,last night my LG V20 suddenly bootloop,I didn't do anything like flashing,root,unlock etc,since I don't know how to..just want to use this phone as daily device..
I read here in xda bout how to flash the stock firmware I understand a little bit how to flash it but everytime I plug the phone (vol+ and plug to PC) it show "downloading mode" or something,then the phone keep bootlooping to LG logo and this software LGUP doesn't recognize my phone..could be a driver problem?I believe I have download and install any LG V20 I can find here in xda..can you help me please?how to connect the phone to the PC so LGUP can recognize the phone?
sorry for this stupid question and my bad english
Click to expand...
Click to collapse
Hardware issue, contact LG about warranty return
Sent from my LG-H910 using XDA Labs

cnjax said:
Hardware issue, contact LG about warranty return
Sent from my LG-H910 using XDA Labs
Click to expand...
Click to collapse
really?oh man..I expect to solve this myself,but if it's hardware I have to go to LG then
oh,another thing if I remove the battery then put it back again,plug the charger,it won't charge,just bootloop again..I guess it's really hardware issue,thanks for your reply sir

Galon123 said:
hi dude,just wondering if your problem still exist?
I have the same problem,last night my LG V20 suddenly bootloop,I didn't do anything like flashing,root,unlock etc,since I don't know how to..just want to use this phone as daily device..
I read here in xda bout how to flash the stock firmware I understand a little bit how to flash it but everytime I plug the phone (vol+ and plug to PC) it show "downloading mode" or something,then the phone keep bootlooping to LG logo and this software LGUP doesn't recognize my phone..could be a driver problem?I believe I have download and install any LG V20 I can find here in xda..can you help me please?how to connect the phone to the PC so LGUP can recognize the phone?
sorry for this stupid question and my bad english
Click to expand...
Click to collapse
The partition of device is damage its only solution re- partition the device if device is not locked then you install files through fastboot mode erase laf.img in fastboot mode, if device locked then msg show device is lock cannot erase.....
Fastboot mode is last hope for phone alive if you have bootloader unlocked file then try.......

Aman gee said:
The partition of device is damage its only solution re- partition the device if device is not locked then you install files through fastboot mode erase laf.img in fastboot mode, if device locked then msg show device is lock cannot erase.....
Fastboot mode is last hope for phone alive if you have bootloader unlocked file then try.......
Click to expand...
Click to collapse
I guess mine is still locked because I really never touch/do anything with this phone.
anyway,to enter fastboot mode is vol- then connect the phone to PC right?I did that but nothing happen,the phone just bootloop again..I guess this is really hardware issue

Galon123 said:
I guess mine is still locked because I really never touch/do anything with this phone.
anyway,to enter fastboot mode is vol- then connect the phone to PC right?I did that but nothing happen,the phone just bootloop again..I guess this is really hardware issue
Click to expand...
Click to collapse
First you install LG driver @ pc ,remover battery >> plug in USB cable at pc >> instr battery power + Vol- press then fastboot window display.............................................what your model of LG ???

Aman gee said:
First you install LG driver @ pc ,remover battery >> plug in USB cable at pc >> instr battery power + Vol- press then fastboot window display.............................................what your model of LG ???
Click to expand...
Click to collapse
I did that but the phone not display fastboot,only lg logo and then bootloop again to LG logo,the driver I install is LGMobileDriver_WHQL_Ver_4.2.0 the model is F800S.

Galon123 said:
I did that but the phone not display fastboot,only lg logo and then bootloop again to LG logo,the driver I install is LGMobileDriver_WHQL_Ver_4.2.0 the model is F800S.
Click to expand...
Click to collapse
Is Lg v20 phone have ??

Galon123 said:
I did that but the phone not display fastboot,only lg logo and then bootloop again to LG logo,the driver I install is LGMobileDriver_WHQL_Ver_4.2.0 the model is F800S.
Click to expand...
Click to collapse
The F800 are korean models

LG V35 - Can anyone get into the bootloader?

Cannot find a way to enter the bootloader. Volume down + power doesn't do anything. Same with adb reboot bootloader.

@Cobra04 Did you have any luck in unlocking the bootloader for LG V35 ULM ??

xd7 said:
@Cobra04 Did you have any luck in unlocking the bootloader for LG V35 ULM ??
Click to expand...
Click to collapse
I have not

Cobra04 said:
I have not
Click to expand...
Click to collapse
Hopefully it will happen soon, let's keep up the hope.

Been poking around and still can't access bootloader on this phone. Even through ADB I can't get anything but a reboot. Anyone been having any luck?

Nope, LG won't let us unlock bootloader for this device. My first non rooted phone since original Droid. But it's still a test device for Google Fi so I accept it.

Cobra04 said:
Cannot find a way to enter the bootloader. Volume down + power doesn't do anything. Same with adb reboot bootloader.
Click to expand...
Click to collapse
1. Go to Developer options.
2. unlock OEM option.
3. Now, you will need IMEI number of your device.
4. To get the IMEI number for the phone, dial *#06# on the phone. You will get the IMEI number.
5. And now connect your phone to the PC.
6. Next, open the command prompt on the PC and type the following ADB Command code to reboot the phone into the bootloader.
adb reboot bootloader

Rahul,
Can this phones bootloader be unlocked using LG-Devs service? I looked over and didn't see V35 listed as a supported device.

rahul220 said:
1. Go to Developer options.
2. unlock OEM option.
3. Now, you will need IMEI number of your device.
4. To get the IMEI number for the phone, dial *#06# on the phone. You will get the IMEI number.
5. And now connect your phone to the PC.
6. Next, open the command prompt on the PC and type the following ADB Command code to reboot the phone into the bootloader.
adb reboot bootloader
Click to expand...
Click to collapse
Does not work. Did you ever test this on a LG v35? Give some proofs if you did else stop commenting just for the sake of commenting. Thank you.

It's clear you do not know anything about this particular phone.
1) LG has locked out bootloader access for most carrier branded phones starting with 2017 LG G6. Nothing you do will allow that functionality for those affected phones unless you Frankenstein it to another open market variant which allows that access. i.e., How we convert the AT&T H931 V30 to the open market US998 V30. At that point, then you now have fastboot flash commands and can access the bootloader. On H931 V30 (like AT&T V35), you cannot unless you do something like that.
2) You say to get the IMEI number, then don't even tell why you would need the IMEI number. You don't need the IMEI number ever to access a bootloader.
I think you copied and pasted part of some list from some website, which has nothing to do with this V35 phone.
rahul220 said:
1. Go to Developer options.
2. unlock OEM option.
3. Now, you will need IMEI number of your device.
4. To get the IMEI number for the phone, dial *#06# on the phone. You will get the IMEI number.
5. And now connect your phone to the PC.
6. Next, open the command prompt on the PC and type the following ADB Command code to reboot the phone into the bootloader.
adb reboot bootloader
Click to expand...
Click to collapse

First of all, power off your device. Connect the USB to your phone only. Now pressing & holding the Volume Down key connect the another port of your type C USB to the computer. Now your device will boot to a mode known as Recovery mode. Now find where is the Bootloader option. If you find "Reboot to bootloader" option, select this using Volume+/- & Power keys. Your device will Reboot to Bootloader or Fastboot mode.
Let me know it worked for you or not.

Saurav Dev said:
First of all, power off your device. Connect the USB to your phone only. Now pressing & holding the Volume Down key connect the another port of your type C USB to the computer. Now your device will boot to a mode known as Recovery mode. Now find where is the Bootloader option. If you find "Reboot to bootloader" option, select this using Volume+/- & Power keys. Your device will Reboot to Bootloader or Fastboot mode.
Let me know it worked for you or not.
Click to expand...
Click to collapse
This does NOT work. I tried pressing the following combinations and then plugging the phone via USB into the computer. I was using a Google Fi version of the V35.
No Buttons = Offline Charging mode
Volume down = Offline Charging mode
Volume Up = Firmware Update Screen
Power = Normal Boot
Vol up + Down = Offline Charging mode
Vol Down + Power = Endless Bootloop
Vol up + Power = Normal Boot
Also I think one of these combos turned off my USB support. When I plug the phone into my computer it will charge, but it wont give me the USB options...

LG V35 bootloader unlocked
ChazzMatt said:
Hello @ChazzMatt
Someone in Shenzhen China has unlocked the bootloader of LG V35. Looks like he is using similar vulnerability within the verification of bootloader for the V30 model series.
He can unlock the bootloader of LG V35 and LG V40.
https://www.mylgphones.com/wp-content/uploads/2018/12/lg-v35-484x1024.jpg
https://www.mylgphones.com/lg-v35-bootloader-can-now-be-unlocked.html
Click to expand...
Click to collapse

Sweet. Here's hopping we see root.

asialove2013 said:
ChazzMatt said:
Hello @ChazzMatt
Someone in Shenzhen China has unlocked the bootloader of LG V35. Looks like he is using similar vulnerability within the verification of bootloader for the V30 model series.
He can unlock the bootloader of LG V35 and LG V40.
https://www.mylgphones.com/wp-content/uploads/2018/12/lg-v35-484x1024.jpg
https://www.mylgphones.com/lg-v35-bootloader-can-now-be-unlocked.html
Click to expand...
Click to collapse
I'll believe it when they release their method of unlocking. Until then it's BS.
Click to expand...
Click to collapse

Cobra04 said:
asialove2013 said:
I'll believe it when they release their method of unlocking. Until then it's BS.
Click to expand...
Click to collapse
Buy a BOX,
Click to expand...
Click to collapse

asialove2013 said:
Buy a BOX,
Click to expand...
Click to collapse
Okay, do you have proof it will unlock this phone?

I don't know but if there were any root method that doesn't require unlocking bootloader ( like using kingo root or something else that exploit system vulnerability ) you can use dd command to erase LAF partition ( if exist in lg v35 because I don't have this device ) this will remove LG Advanced Flash screen and replace it with fastboot ( did it only in lg g3 )

i emailed LG asking if the V35 unbranded will be added to LG Developer which would allow for bootloader unlock...i got a response that made no sense and didn't answer my question.

any updates?