Fire TV 1 Bricked with Marshall London HS-USB Diagnostic 9006 - Fire TV Q&A, Help & Troubleshooting

My Fire TV bricked and none of the described un-bricking method works.
When connecting through USB I can see "Marshall London HS-USB Diagnostics 9006 (COM21)" port in Device Manager. I also observed that MiFlash tool recognize it as "\\?\usbstor#disk$ven_qualcomm&prod_mmc_storage&rev_1.00#7&5313ab4&0&1234567890abcdef&0#{53f6307-b6bf-11d0-94f2-00a0c91efb8b}"
I have unbricked my Mi Phone using this tool and it requires a ROM containing boot, kernel, system etc. images and other flashing scripts. Do we have similar kind of ROM available for Fire TV?

I am in the same boat.

Did you try this

{ParanoiA} said:
Did you try this
Click to expand...
Click to collapse
Looks like I goofed up big time. Now I only see QHUSB_DLOAD and I am not able to see any drive on OSX or Linux. I am suspecting the Mi Flash tool that I was using to check it did something. Instead of showing "\usbstor#disk$ven_qualcomm&prod_mmc_storage&re v_1.00#7&5313ab4&0&1234567890abcdef&0#{53f6307-b6bf-11d0-94f2-00a0c91efb8b}" it is now showing COM20.
On linux I tried this command
Code:
dmesg | tail
and it shows following output
usb 1-2: new ISB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-2: Product: QHSUSB_DLOAD
usb 1-2: Manufacturer: Qualcomm CDMA Technologies MSM
usbcore: registered new interface driver usbserial
usbcore: registered new interface driver usbserial_generic
usbserial: USB Serial support registered for generic
usbcore: registered new interface driver qcserial
usbserial: USB Serial support registered for Qualcomm USB modem
qcserial: 1-2:1.0: Qualcomm USB mode converter detected
usb 1-2: Qualcomm USB modem converter now attached to ttyUSB0
Any help in this regard is appreciated.

{ParanoiA} said:
Did you try this
Click to expand...
Click to collapse
Ok.. I have a Linux VM (ubuntu 16.x) booted up, and the FireTV is recognized as a /dev/sdb device. I have downloaded the .bin file from amazon. How do I decompress the BIN file to get the images folder to dd over to the firetv partitions?
I am a linux newbie, so missing that key step
NEVERMIND - Figured it out

Thanks Rbox & {ParanoiA} for hte unbricking guide. I successfully recovered my FireTV and am back up and running.

Rbox/{ParanoiA} any way to recover my fire TV from the state it is currently in.
One more observation. Now it is showing the connection as "Marshall London HS-USB Diagnostic 9008"

After googling a bit I zeroed in that it should be recoverable. I a following this link
http://www.androidbrick.com/unbrick-all-qualcomm-snapdragons-from-qualcomm-hs-usb-qdloader-9008-if-you-have-the-right-kind-of-rom-qhsusb_dload/
However I need following files (MPRG8064T.hex and 8064T_msimage.mbn) in addition to what mentioned in this. I am not able to find anything other than MPRG8064.hex and 8064_msimage.mbn anywhere. I am not sure whether I can use these files or not

MPRG8064.hex and 8064_msimage.mbn did not work
Can Anyone provide MPRG8064T.hex and 8064T_msimage.mbn file?

Just uploaded the requested - http://www.mediafire.com/download/jqfx835f5ompvf4/q.7z
the link contains the non T variant of the requested files

In an attempt to get the device from 9008 to 9006 mode, I attempted http://cellphonetrackers.org/qhsusb_dload-fix-qualcomm-soc.html without success

After two months of reading and testing every trick i've read on blogs, youtube, russian or chinese forums, and still at the exact same place. No matter what I do or try, I can't get out of the bloody 9008 state. Did any of you had any breakthrough on the problem? Thanks!

Related

[Q] Data transfer via MTP on ubuntu

Hi there,
has anyone tried to use the MTP file transfer option of the Fairphone with Ubuntu (I'm using 13.04 at the moment). It seems that the phone is recognized by my system:
Code:
[49875.145923] usb 1-1.2: new high-speed USB device number 12 using ehci-pci
[49875.240046] usb 1-1.2: New USB device found, idVendor=0bb4, idProduct=0c02
[49875.240057] usb 1-1.2: New USB device strings: Mfr=2, Product=3, SerialNumber=4
[49875.240063] usb 1-1.2: Product: MT65xx Android Phone
[49875.240068] usb 1-1.2: Manufacturer: MediaTek
[49875.240072] usb 1-1.2: SerialNumber: ...
but the device is not shown in Nautilus.
Who knows how to fix that?
Thanks,
Tobi
prinz.z said:
Hi there,
has anyone tried to use the MTP file transfer option of the Fairphone with Ubuntu (I'm using 13.04 at the moment). It seems that the phone is recognized by my system. but the device is not shown in Nautilus.
Who knows how to fix that?
Thanks,
Tobi
Click to expand...
Click to collapse
I guess this is more an Ubuntu issue/question than Fairphone's..
You can follow instructions here
Code:
$ sudo mtpfs -o allow_other /media/MTPdevice
Unable to open ~/.mtpz-data for reading, MTPZ disabled.Listing raw device(s)
Device 0 (VID=0bb4 and PID=2008) is UNKNOWN.
Please report this VID/PID and the device model to the libmtp development team
Found 1 device(s):
0bb4:2008 @ bus 2, dev 20
Attempting to connect device
Android device detected, assigning default bug flags
Listing File Information on Device with name: FP1
Nautilus gave me read-only access to content under the custom mount point /media/MTPdevice. dmesg gave me the same log as yours when recognizing the device...
It doesn't work for me either. But this is an issue that is usual in Ubuntu. Even though it is not an issue in Ubuntu.
* libMTP with a detailed description
* gvfs-mtp
* go-mtpfs
I use either the USB storage or PTP.
(MTP is buggy.)
Okay, I see.. With my former phone (LG O4x, cm-11) it was working flawlessly with mtp on Ubuntu, that's the rason I asked.. With the fairphone, I'm simply using adb for the moment to copy single files..
elchi1234 said:
It doesn't work for me either. But this is an issue that is usual in Ubuntu. Even though it is not an issue in Ubuntu.
* libMTP with a detailed description
* gvfs-mtp
* go-mtpfs
I use either the USB storage or PTP.
(MTP is buggy.)
Click to expand...
Click to collapse

[Q] Bricked Find 7

Hey guys. I tried to flash TeamEOS rom latest nightly on my device,and the flashing process went fine. I was using the TWRP gummified version and it said it was all successfull. This is the link,and on the download pages there is Find7 version.
http://www.oppoforums.com/threads/rom-4-4-4-teameos-the-revival-nightlies.16320/page-25
The problem is,after flashed everything,my phone died. I think i made a mistake when flashed the modem package,which is supposed to be for the find5.. I didn't thought that it could make the difference,but it might have made.
Now my phone won't start,boot or anything. Simply died. Is there anyway i could try to bring him back to life before i send it to the warranty?
I can't reach recovery,fastboot or anything
Any help would be much appreciated. Thank's a lot
bcuraman said:
Hey guys. I tried to flash TeamEOS rom latest nightly on my device,and the flashing process went fine. I was using the TWRP gummified version and it said it was all successfull. This is the link,and on the download pages there is Find7 version.
http://www.oppoforums.com/threads/rom-4-4-4-teameos-the-revival-nightlies.16320/page-25
The problem is,after flashed everything,my phone died. I think i made a mistake when flashed the modem package,which is supposed to be for the find5.. I didn't thought that it could make the difference,but it might have made.
Now my phone won't start,boot or anything. Simply died. Is there anyway i could try to bring him back to life before i send it to the warranty?
I can't reach recovery,fastboot or anything
Any help would be much appreciated. Thank's a lot
Click to expand...
Click to collapse
Okay. Try to connect your phone to your PC and see if your phone is showed as "QHSUSB BULK" Or qualcomm 9008/9006
Let me know if it shows that.
(go to device manager on pc to check that)
If it doesnt show, try taking the battery out and putting it back and then connecting to pc.
suraj.das said:
Okay. Try to connect your phone to your PC and see if your phone is showed as "QHSUSB BULK" Or qualcomm 9008/9006
Let me know if it shows that.
(go to device manager on pc to check that)
If it doesnt show, try taking the battery out and putting it back and then connecting to pc.
Click to expand...
Click to collapse
yeah: This is the result of the command line:
" 50149.656170] wlan0: associate with 9c:97:26:9d:78:05 (try 1/3)
[50149.663938] wlan0: RX AssocResp from 9c:97:26:9d:78:05 (capab=0x411 status=0 aid=2)
[50149.664014] wlan0: associated
[51146.796129] usb 1-4: new high-speed USB device number 13 using ehci-pci
[51146.928956] usb 1-4: New USB device found, idVendor=05c6, idProduct=9008
[51146.928964] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[51146.928969] usb 1-4: Product: QHSUSB__BULK
[51146.928974] usb 1-4: Manufacturer: Qualcomm CDMA Technologies MSM
[51146.929416] qcserial 1-4:1.0: Qualcomm USB modem converter detected
[51146.930584] usb 1-4: Qualcomm USB modem converter now attached to ttyUSB0
bcuraman said:
yeah: This is the result of the command line:
" 50149.656170] wlan0: associate with 9c:97:26:9d:78:05 (try 1/3)
[50149.663938] wlan0: RX AssocResp from 9c:97:26:9d:78:05 (capab=0x411 status=0 aid=2)
[50149.664014] wlan0: associated
[51146.796129] usb 1-4: new high-speed USB device number 13 using ehci-pci
[51146.928956] usb 1-4: New USB device found, idVendor=05c6, idProduct=9008
[51146.928964] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[51146.928969] usb 1-4: Product: QHSUSB__BULK
[51146.928974] usb 1-4: Manufacturer: Qualcomm CDMA Technologies MSM
[51146.929416] qcserial 1-4:1.0: Qualcomm USB modem converter detected
[51146.930584] usb 1-4: Qualcomm USB modem converter now attached to ttyUSB0
Click to expand...
Click to collapse
Great. Now download this file, http://d3bzg7dsosz4ht.cloudfront.net/OTA/Find7/FIND7WX_12_A.09_140810.tgz
Extract it. Connect your phone and then click on the msm 8974download.exe..
Wait till it turns green and then reboot your phone
Thanks to Addel from oppoforums.
suraj.das said:
Great. Now download this file, http://d3bzg7dsosz4ht.cloudfront.net/OTA/Find7/FIND7WX_12_A.09_140810.tgz
Extract it. Connect your phone and then click on the msm 8974download.exe..
Wait till it turns green and then reboot your phone
Thanks to Addel from oppoforums.
Click to expand...
Click to collapse
Hmmm if i were on a windows machine,that would be easy,but i'm running Linux Mint 17.. what shall i do then?
bcuraman said:
Hmmm if i were on a windows machine,that would be easy,but i'm running Linux Mint 17.. what shall i do then?
Click to expand...
Click to collapse
I have no idea. Sorry. Maybe use your friend's pc? OR VM?
Hi there. I too am having issues with my Find 7 as well. I just bought it today. The previous owner apparently went to flash cm11 and he soft bricked it. The phone will power on to the start screen the the screen stays black and goes on and off. I can get to fastboot but not recovery. I have read in the oppo forums that I need to push the stock recovery too it but am unfamiliar with fastboot. I am willing to pay someone to get this phone working. Any input would be greatly appreciated.
MsmDownloader works great from inside an Windows XP VMWare virtual machine.

VK815 rooting help

I've seen reports of the VK815 being rooted and would like to root mine. Is there someone who has a VK815 and has rooted it who is willing to share how they accomplished it?
I have 'adb' available and working, the developer mode enabled, and can talk to the phone. Trying to attain superuser from the 'adb shell' doesn't work because the 'su binary' is missing. 'adb reboot recovery' gives the ''dead android' and the 'power/volume -' key combination results in a normal boot.
Thanks,
Jim
I rooted my vk815 with one click root from the g3 section. Not sure yet how to post links I'm new to xda...
---------- Post added at 12:56 AM ---------- Previous post was at 12:49 AM ----------
http://forum.xda-developers.com/showthread.php?t=3056951
That looks like a solution for those who have Windows PC's connected to their tablets. I'm a linux only and should have put that in my original post.
I guess I could look at the script and see if there's any clues inside it.
Thanks,
Jim
There is a python script for using the send command with the files. On my phone and at work, so difficult for me to look up, but I'm sure googling send command LG python will turn it up (probably under g3 or g4 forums...)
danaff37 said:
There is a python script for using the send command with the files. On my phone and at work, so difficult for me to look up, but I'm sure googling send command LG python will turn it up (probably under g3 or g4 forums...)
Click to expand...
Click to collapse
I've seen it and given it a try. The writer and everyone else in the thread look like they aren't working with a VK815. The VK815 doesn't trigger loading of the 'serial' module. I don't have one on my system so that looks like a problem. I keep getting this error message:
[email protected]:/root# qcdlcomm.py /dev/ttyUSB0
Traceback (most recent call last):
File "/home/jim/Desktop/qcdlcomm.py", line 13, in <module>
import serial
ImportError: No module named serial
For anyone who's interested; the python script is here about a quarter of the way down the page. hxxp://forum.xda-developers.com/android/development/guide-root-method-lg-devices-t3049772/page46 (Change the x's to t's)
Jim
Seems like the kernel can't figure out what chip is handling the serial I/O for the tablet so it only loads 'usbserial_generic'. That module can't change any of the comm parameters. The error messages now want a more specific module loaded before running the python script.
[1655862.790132] usb 1-9: new high-speed USB device number 9 using ehci-pci
[1655862.905356] usb 1-9: New USB device found, idVendor=1004, idProduct=6293
[1655862.905359] usb 1-9: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[1655862.905361] usb 1-9: Product: LGE Android Phone
[1655862.905363] usb 1-9: Manufacturer: LG Electronics Inc.
[1655862.905365] usb 1-9: SerialNumber: VK815275a2846
[1655862.905753] usbserial_generic 1-9:1.0: The "generic" usb-serial driver is only for testing and one-off prototypes.
[1655862.905755] usbserial_generic 1-9:1.0: Tell [email protected] to add your device to a proper driver.
[1655862.905757] usbserial_generic 1-9:1.0: generic converter detected
[1655862.905816] usb 1-9: generic converter now attached to ttyUSB0
[1655862.946215] usb 1-9: usbfs: process 29489 (pool) did not claim interface 0 before use
[1655862.946343] generic ttyUSB0: generic converter now disconnected from ttyUSB0
[1655862.946356] usbserial_generic 1-9:1.0: device disconnected
[1655863.049404] usb 1-9: reset high-speed USB device number 9 using ehci-pci
[1655863.164195] usbserial_generic 1-9:1.0: The "generic" usb-serial driver is only for testing and one-off prototypes.
[1655863.164201] usbserial_generic 1-9:1.0: Tell [email protected] to add your device to a proper driver.
[1655863.164203] usbserial_generic 1-9:1.0: generic converter detected
[1655863.164288] usb 1-9: generic converter now attached to ttyUSB0
[1655863.164329] usb 1-9: usbfs: process 29489 (pool) did not claim interface 0 before use
Jim
jowski said:
Seems like the kernel can't figure out what chip is handling the serial I/O for the tablet so it only loads 'usbserial_generic'. That module can't change any of the comm parameters. The error messages now want a more specific module loaded before running the python script.
[1655862.790132] usb 1-9: new high-speed USB device number 9 using ehci-pci
[1655862.905356] usb 1-9: New USB device found, idVendor=1004, idProduct=6293
[1655862.905359] usb 1-9: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[1655862.905361] usb 1-9: Product: LGE Android Phone
[1655862.905363] usb 1-9: Manufacturer: LG Electronics Inc.
[1655862.905365] usb 1-9: SerialNumber: VK815275a2846
[1655862.905753] usbserial_generic 1-9:1.0: The "generic" usb-serial driver is only for testing and one-off prototypes.
[1655862.905755] usbserial_generic 1-9:1.0: Tell [email protected] to add your device to a proper driver.
[1655862.905757] usbserial_generic 1-9:1.0: generic converter detected
[1655862.905816] usb 1-9: generic converter now attached to ttyUSB0
[1655862.946215] usb 1-9: usbfs: process 29489 (pool) did not claim interface 0 before use
[1655862.946343] generic ttyUSB0: generic converter now disconnected from ttyUSB0
[1655862.946356] usbserial_generic 1-9:1.0: device disconnected
[1655863.049404] usb 1-9: reset high-speed USB device number 9 using ehci-pci
[1655863.164195] usbserial_generic 1-9:1.0: The "generic" usb-serial driver is only for testing and one-off prototypes.
[1655863.164201] usbserial_generic 1-9:1.0: Tell [email protected] to add your device to a proper driver.
[1655863.164203] usbserial_generic 1-9:1.0: generic converter detected
[1655863.164288] usb 1-9: generic converter now attached to ttyUSB0
[1655863.164329] usb 1-9: usbfs: process 29489 (pool) did not claim interface 0 before use
Jim
Click to expand...
Click to collapse
I doubt there are drivers for linux for a g4 in Linux, and I know people used the script for that. You are doing this in download mode? I can't remember since it's been a while for me setting it up, but does the Android sdk install the generic android USB drivers in Linux?
danaff37 said:
I doubt there are drivers for linux for a g4 in Linux, and I know people used the script for that. You are doing this in download mode? I can't remember since it's been a while for me setting it up, but does the Android sdk install the generic android USB drivers in Linux?
Click to expand...
Click to collapse
The kernel modules handle what drivers would do in Windows.
I'm in the download mode and if I boot normally instead of into download; I can talk to the tablet with adb. I'm thinking that maybe if I comment out the serial port settings code, the script might work. I'll try that later.
Jim
jowski said:
The kernel modules handle what drivers would do in Windows.
I'm in the download mode and if I boot normally instead of into download; I can talk to the tablet with adb. I'm thinking that maybe if I comment out the serial port settings code, the script might work. I'll try that later.
Jim
Click to expand...
Click to collapse
I just know in the past for fast boot mode on other devices, I had to run the Android sdk tools and add some udev rules. But I can't remember if the sdk tools was simply for executables, or for modules/drivers
danaff37 said:
I just know in the past for fast boot mode on other devices, I had to run the Android sdk tools and add some udev rules. But I can't remember if the sdk tools was simply for executables, or for modules/drivers
Click to expand...
Click to collapse
When I can talk to the tablet; adb works but fastboot doesn't. 'adb reboot recovery' gives the dead android. This is turning into a real adventure.
There has to be something after 'modprobe usbserial' to load a specific module on the PC so it can talk to the VK815. Would the Windows ddl's give a clue?
Jim
Well, I'll be go to ....
Commenting the block of code that sets the serial port settings worked! I went into the download mode with the key press (power off, volume +, connect the usb cable, wait for Firmware Update screen, release volume +) and ran the script and was talking to the tablet. Looks like the next step is to load the goodies first and then try the manual commands to install root.
Whatcha think gang? I'm thinking we're almost there and how cool is that!!!
Jim
edit: [email protected]:/# ./qcdlcomm.py /dev/ttyUSB0
Traceback (most recent call last):
File "qcdlcomm.py", line 47, in <module>
port=sys.argv[-1]
File "/usr/lib64/python2.7/site-packages/serial/serialutil.py", line 282, in __init__
self.open()
File "/usr/lib64/python2.7/site-packages/serial/serialposix.py", line 296, in open
self._reconfigurePort()
File "/usr/lib64/python2.7/site-packages/serial/serialposix.py", line 325, in _reconfigurePort
raise SerialException("Could not configure port: %s" % msg)
serial.serialutil.SerialException: Could not configure port: (25, 'Inappropriate ioctl for device')
Any ideas??? I changed the 'ser' block to
ser = serial.Serial(
port=sys.argv[-1]
)
I'm back to thinking it's a module that needs to be loaded.
Previous post errors were due to 'cdc_acm' being reloaded and me not checking that before running the script. Fixed that and reloaded usbserial. Now the errors are:
[email protected]:# qcdlcomm.py /dev/ttyUSB0
Special commands: ENTER, LEAVE, exit
# ENTER
Traceback (most recent call last):
File "/home/jim/Desktop/qcdlcomm.py", line 100, in <module>
cmd(input)
File "/home/jim/Desktop/qcdlcomm.py", line 87, in cmd
rawcmd(commands[input])
File "/home/jim/Desktop/qcdlcomm.py", line 63, in rawcmd
ser.write(input)
File "/usr/lib64/python2.7/site-packages/serial/serialposix.py", line 490, in write
if not self._isOpen: raise portNotOpenError
serial.serialutil.SerialException: Attempting to use a port that is not open
So much for talking to the tablet.
Jim
I tried usb_modeswitch and got something that may be encouraging. I'll post the command and output so someone who knows a bit about usb_modeswitch can shed some light.
[email protected]:/home/jim/Desktop# usb_modeswitch -p 0x6293 -v 0x1004 -M a1
Look for default devices ...
product ID matched
Found devices in default mode (1)
Access device 067 on bus 001
Get the current device configuration ...
OK, got current device configuration (1)
Use interface number 0
Use endpoints 0x01 (out) and 0x81 (in)
Not a storage device, skip SCSI inquiry
USB description data (for identification)
-------------------------
Manufacturer: LG Electronics Inc.
Product: LGE Android Phone
Serial No.: VK815275a2846
-------------------------
Looking for active driver ...
OK, driver detached
Set up interface 0
Use endpoint 0x01 for message sending ...
Trying to send message 1 to endpoint 0x01 ...
Sending the message returned error -1. Try to continue
Reset response endpoint 0x81
Reset message endpoint 0x01
Could not reset endpoint (probably harmless): -99
-> Run lsusb to note any changes. Bye!
There are other messages that can be sent as part of the command. I'm wondering if this is how we can gain access to the device using linux.
Jim
Tried the windows method from an XP machine. Keep getting a "Device cannot start. (Code 10)" error. Tried uninstalling and reinstalling the LG drivers along with the VZW drivers. Also tried using only the VZW drivers. Same results. The device manager says the DIAG port is COM16 but Send_Command.exe can't open port 16.
Anyone had success rooting from XP or do I need to try Windows 7?
Jim
jowski said:
Tried the windows method from an XP machine. Keep getting a "Device cannot start. (Code 10)" error. Tried uninstalling and reinstalling the LG drivers along with the VZW drivers. Also tried using only the VZW drivers. Same results. The device manager says the DIAG port is COM16 but Send_Command.exe can't open port 16.
Anyone had success rooting from XP or do I need to try Windows 7?
Jim
Click to expand...
Click to collapse
I tried XP but the device drivers wouldn't install. 7 worked great for me tho. But I'm not real good with Windows possibly some others would know better??
So my tablet today prompted me to update to 11A. But since it's rooted, so it didn't go thru. Does anyone know what we can do with that info? Like to keep root and update?
I gave up on finding a linux solution and did it with WinDoze 8. A root canal has to be less painful. At least it's rooted now.
I'm holding off on the update until after I get a few apps loaded that require root access. I wish there was a way to turn off the updates and nags.
Jim
I think the linux answer to talking to the VK815 involves the BCM2079x on the tablet. Could that mean the linux box trying to load a serial driver would need to do something like 'modprobe bcm2079x'? If so, where to we find the config for it in the kernel .config?
Jim
I know this is an old thread, but maybe someone can send me in the right direction. My non-rooted VK815 updated to 6.0 and ruined the battery life. So, I'd like to root it. I can only find threads on rooting the previous version - has anyone rooted the 6.0 version?

[D855P] Model "Unknow" in LGUP, after use LG FlashTool

Hi everybody.
I try to install Cyanogenmod on my LG G3 (model D855P bought on Brazil), but the install stopped after some minutes before finish.
I received the LG loop logo. After read some topic's about this error, I try to write a original firmware (.TOT D855AT European). The install runing with any problems. But now, my smartphone is show in LGUP with "Unknow" in the model, but show me the connection port is COM3.
I used the Boarddiag to verify the phone and any error founded. I try to re-write the SDRAM with files extract from LGD855PAT-01-V10a-370-02-JUN-10-2014-16G-32G+3, but not work. I install, but the problem continue the same.
I try the process when you change the COMxx port to COM41 and using a specified .dll, but the process stop in the first steps of validation.
Now, when I turn-on my phone, after some minutes I receive the message: Kernel Crash Handler. If I press Power+Down, the fastboot interface is started, but when I try to access using ADB (in Linux or Windows 10), the device is not listed with command ADB DEVICES. In the Windows 10, my device is recognize in "Manager Devices" with the name "Kedacom USB Device > Android Bootloader Interface".
I try to create the file on .android folder, but not work.
When run the command DMESG in the Linux, my device have this information:
usb 1-5: new high-speed USB device number 3 using ehci-pci
usb 1-5: New USB device found, idVendor=18d1, idProduct=d00d
usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-5: Product: Android
usb 1-5: Manufacturer: Google
Anyone have some idea to help me about this problem???
fdelago said:
Hi everybody.
I try to install Cyanogenmod on my LG G3 (model D855P bought on Brazil), but the install stopped after some minutes before finish.
I received the LG loop logo. After read some topic's about this error, I try to write a original firmware (.TOT D855AT European). The install runing with any problems. But now, my smartphone is show in LGUP with "Unknow" in the model, but show me the connection port is COM3.
I used the Boarddiag to verify the phone and any error founded. I try to re-write the SDRAM with files extract from LGD855PAT-01-V10a-370-02-JUN-10-2014-16G-32G+3, but not work. I install, but the problem continue the same.
I try the process when you change the COMxx port to COM41 and using a specified .dll, but the process stop in the first steps of validation.
Now, when I turn-on my phone, after some minutes I receive the message: Kernel Crash Handler. If I press Power+Down, the fastboot interface is started, but when I try to access using ADB (in Linux or Windows 10), the device is not listed with command ADB DEVICES. In the Windows 10, my device is recognize in "Manager Devices" with the name "Kedacom USB Device > Android Bootloader Interface".
I try to create the file on .android folder, but not work.
When run the command DMESG in the Linux, my device have this information:
usb 1-5: new high-speed USB device number 3 using ehci-pci
usb 1-5: New USB device found, idVendor=18d1, idProduct=d00d
usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-5: Product: Android
usb 1-5: Manufacturer: Google
Anyone have some idea to help me about this problem???
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Any luck unbricking your device?
I have the same problem here

Unknown USB device (Device Descriptor Request Failed) when in Fastboot Mode

Hi all,
I've unlocked my bootloader via the official tool and rebooted into fastboot, but I'm afraid my device isn't being correctly detected on Windows 10. I've tried multiple devices and multiple cables. The device comes up as "Unknown USB device (Device Descriptor Request Failed)" in Device manager, and under events lists "Device USB\VID_0000&PID_0002\7&192ea77b&0&4 was configured."
I know that's a generic VID & PID so I may manually need to set those values, but I don't know what the correct values would be for a Asus Zenfone 5z Z01RD, so I'm stuck unable to access the device via my PC.
I've got the latest version of Google Platform Tools, and I've re-downloaded and installed the drivers from the Asus Support page. Not had this issue in the past with my Zenfone 3...
I've also tried the following to no success: https://forum.xda-developers.com/t/...r-request-failed-fastboot-windows-10.3375320/
Appreciate any ideas or if anyone can provide the correct VID & PID!
Also posted to Zentalk, though they don't tend to get a lot of help there...
Got a response back at Zentalk, but they thought I was asking about the app rather than drivers...
Clarified with the following:
I've successfully used the latest version of the app and it's worked fine, as such the app is not the issue, rather than the 5z doesn't have accessible drivers when it is in fastboot mode, therefore it cannot be connected to via Windows 10. Without the correct IDs, it is not possible to update the device via Fastboot. If it is possible to get the correct VID & PID for a phone plugged in via fastboot mode, drivers, or both, it'd be appreciated. Otherwise I can try to get the VID & PID from the Zenfone 3 in fastboot mode, and hope they work for each other.
In the USB support files on your site titled "ASUS_Android_USB_drivers_for_Windows", inside the zip there is the file "android_winusb.inf", inside which there are records which tell Windows 10 which driver to use, for example:
%CompositeAdbInterface% = USB_Install, USB\VID_0B05&PID_4D05&MI_01
%SingleAdbInterface% = USB_Install, USB\VID_0B05&PID_4DAE
%SingleBootLoaderInterface% = USB_Install, USB\VID_0B05&PID_4DAF
None of these line up to my device. Because my PC cannot determine what the device is (error = Unknown USB Device (Device Descriptor Request Failed)) it allocates a generic VID & PID (USB\VID_0000&PID_0002), so I can't find out what driver to apply. I need to know the correct one so I can get it to recognise.
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Fingers crossed I get an answer, but if anyone can just put there device into Fastboot mode, plug it into Windows and tell me the device instance path (the USB\VID_XXXX&PID_XXXX) part or what drivers they use, that'd be great!
Probably my final update. I've tried this on many different systems (apparently AMD Ryzen has issues, tried on Intel, AMD Ryzen and AMD FX), different USB-C cables, different OS (Linux Mint, Win7 and Win10), different drivers (Google vs ASUS vs My own modified ASUS hack), registry hacks. Nothing works. At this point I have to assume it's either a hardware issue or corrupted fastboot bootloader image, which is immensely frustrating when I can connect and transfer data fine via cable.
I've posted on damn near every forum possible, and hunted everything from "can I manually force the driver" to "can I hack/redirect the fault USB descriptor". My only other thought at the moment is downloading and then trying to sideload the updated fastboot via sdcard, but that probably won't work and probably won't give me root access. So now I'm just left with a phone with an unlocked bootloader I can't modify, all all the DRM on the stock OS disabled so you can't use every app with it. I'm deflated, heartbroken, anguished and frustrated...
To anyone who reads this, I've spent so many nights trying to work this out, sorry that I can't provide an answer...

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