Develop Bugs

Hard Bricked LG E980 USB device not recognised

My LG E980 is bricked. I can access download mode and that is it! I am unable to boot into recovery,
and the hard reset screen simply sits there forever. My computer only recognizes my device as an "unknown usb device."
I'm unsure what can be done about this, but I feel like this is better than the infamous QHSUB icon displayed when the device cannot be recovered.
Does anyone have a remedy for this problem?? I have GOT to fix this phone and can't afford to Jtag the device, but I'm losing hope that this is possible, PLEASE help. :crying:

Have you installed the LG drivers for your pc and tried the unbrick method?

Yeah dude there's an unbrick method. If this doesn't work just sell the phone on Ebay. http://forum.xda-developers.com/showthread.php?t=2302660

There is never a time when this device cant be recovered. even the qhusb is a fairly simple fix. ill go ahead and make a sdcard boot image tonight. do you have a 32gb sdcard? (or larger) and an sdcard reader, if you have those two things i can make an unbrick.img that you flash toi the sdcard and put in the non-booting phone and it will get you to download mode/recovery mode. ill have to check out what partitions are where as i dont wish to include my efs along with it all .

twill1987 said:
My LG E980 is bricked. I can access download mode and that is it! I am unable to boot into recovery,
and the hard reset screen simply sits there forever. My computer only recognizes my device as an "unknown usb device."
I'm unsure what can be done about this, but I feel like this is better than the infamous QHSUB icon displayed when the device cannot be recovered.
Does anyone have a remedy for this problem?? I have GOT to fix this phone and can't afford to Jtag the device, but I'm losing hope that this is possible, PLEASE help. :crying:
Click to expand...
Click to collapse
Happened to me.
1. With the phone on download mode and plugged in the computer; uninstall the unknown device on your computer using device manager. The computer should try to get the drivers for your phone.
2. If it doesn't. Repeat step one and install the drivers first.
That worked for me hopefully I'll work for you.
Sent from my LG-E980 using XDA Premium 4 mobile app

Yes
riki126 said:
Have you installed the LG drivers for your pc and tried the unbrick method?
Click to expand...
Click to collapse
Yes I tried that. The drivers won't install. I even used another windows 8 computer my roommate has and switched out
the usb cables, still came back "unknown device"

shabbypenguin said:
There is never a time when this device cant be recovered. even the qhusb is a fairly simple fix. ill go ahead and make a sdcard boot image tonight. do you have a 32gb sdcard? (or larger) and an sdcard reader, if you have those two things i can make an unbrick.img that you flash toi the sdcard and put in the non-booting phone and it will get you to download mode/recovery mode. ill have to check out what partitions are where as i dont wish to include my efs along with it all .
Click to expand...
Click to collapse
I do have a 16gb sd card, but I can pick up at 32 gb sd at my local best buy. I have an Asus laptop running windows 8 and it has an SD card reader. I am a little confused (semi-noob) as to how this will work because my phone will boot up, and the led changes colors on the home button for about 4 seconds and then the light stops flashing. The phone is stuck on the LG boot screen, and there is no way out of it but to pull the battery or to reset with power button. Of course no recovery as previously mentioned. I really just want to get back to stock, but I can't manage to get both the windows 8 computers I've tried to detect the phone in download mode. Ever since I switched to the Candykat rom 4.4 the computer wasn't able to recognize the phone, even when the phone was fully functional inside the rom.
I have tried it on my dads windows 7 laptop as well with no dice. Instaled LG drivers, uninstalled LG Drivers, uninstalled device from the Device Manager. I've done everything I could think of. I previously was in a Philz touch recovery, but every rom I tried to flash wouldn't work. I tried to flash another recovery from inside it and then the device bricked like it is now. What a head ache. If you think this method would work, I am more than willing to try it, just unfamiliar with what I need to do on my end.

Okay
stulzerl said:
Happened to me.
1. With the phone on download mode and plugged in the computer; uninstall the unknown device on your computer using device manager. The computer should try to get the drivers for your phone.
2. If it doesn't. Repeat step one and install the drivers first.
That worked for me hopefully I'll work for you.
Sent from my LG-E980 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I will give your method a shot, but I have done this a lot already. The only thing I can think of is I usually unplug the phone from the computer right after deleting the drivers and uninstalling in device manager. Maybe I should just leave the phone plugged in and see if the computer automatically downloads the drivers, but I don't think it will because I've tried to update the drivers before. It gives me an error code "10" and says the device has malfunction or stopped working This phone has been undetectable via USB since flashing the candykat 4.4 rom. Every computer I've tried (3) and every USB cable (3 again) has displayed it as an "unknown device"

twill1987 said:
I will give your method a shot, but I have done this a lot already. The only thing I can think of is I usually unplug the phone from the computer right after deleting the drivers and uninstalling in device manager. Maybe I should just leave the phone plugged in and see if the computer automatically downloads the drivers, but I don't think it will because I've tried to update the drivers before. It gives me an error code "10" and says the device has malfunction or stopped working This phone has been undetectable via USB since flashing the candykat 4.4 rom. Every computer I've tried (3) and every USB cable (3 again) has displayed it as an "unknown device"
Click to expand...
Click to collapse
I've had similar issues when i had my optimus g. I had to use a pc with xp to flasht he phone, dunno why though. You could give that a shot.

twill1987 said:
I do have a 16gb sd card, but I can pick up at 32 gb sd at my local best buy. I have an Asus laptop running windows 8 and it has an SD card reader. I am a little confused (semi-noob) as to how this will work because my phone will boot up, and the led changes colors on the home button for about 4 seconds and then the light stops flashing. The phone is stuck on the LG boot screen, and there is no way out of it but to pull the battery or to reset with power button. Of course no recovery as previously mentioned. I really just want to get back to stock, but I can't manage to get both the windows 8 computers I've tried to detect the phone in download mode. Ever since I switched to the Candykat rom 4.4 the computer wasn't able to recognize the phone, even when the phone was fully functional inside the rom.
I have tried it on my dads windows 7 laptop as well with no dice. Instaled LG drivers, uninstalled LG Drivers, uninstalled device from the Device Manager. I've done everything I could think of. I previously was in a Philz touch recovery, but every rom I tried to flash wouldn't work. I tried to flash another recovery from inside it and then the device bricked like it is now. What a head ache. If you think this method would work, I am more than willing to try it, just unfamiliar with what I need to do on my end.
Click to expand...
Click to collapse
I dont know lg's download mode, kdz, tot etc all that well. im more of a samsung guy. however qualcomm since the s4 chipset has allowed for sdcards that are properly formatted to boot the os instead of the internal emmc. here is a decent guide, just need to make teh image for this device. this will let your device boot no matter how bad it gets you are welcome to try with 16gb, the rule of thumb i know of is as big as teh emmc is use that same size or larger sdcard, however some people have had sucess withs maller, just not many that i know of. http://forum.xda-developers.com/showthread.php?t=2439367
however afaik the only way to reflash teh bootloader partitions is via kdz/download mode so perhaps the sdcard will let you get into that mode and then you can flash, so long as you keep your sdcard like that it will boot fully, but in order ot get your sdcard back you need to repair teh files on your phone .

Thanks
WeActOnImpulse said:
Yeah dude there's an unbrick method. If this doesn't work just sell the phone on Ebay. http://forum.xda-developers.com/showthread.php?t=2302660
Click to expand...
Click to collapse
I have tried this and unfortunately since the USB drivers aren't detected by the computer there is no way for me to flash back to stock.
Thanks for the information though, I appreciate it.

shabbypenguin said:
I dont know lg's download mode, kdz, tot etc all that well. im more of a samsung guy. however qualcomm since the s4 chipset has allowed for sdcards that are properly formatted to boot the os instead of the internal emmc. here is a decent guide, just need to make teh image for this device. this will let your device boot no matter how bad it gets you are welcome to try with 16gb, the rule of thumb i know of is as big as teh emmc is use that same size or larger sdcard, however some people have had sucess withs maller, just not many that i know of. http://forum.xda-developers.com/showthread.php?t=2439367
however afaik the only way to reflash teh bootloader partitions is via kdz/download mode so perhaps the sdcard will let you get into that mode and then you can flash, so long as you keep your sdcard like that it will boot fully, but in order ot get your sdcard back you need to repair teh files on your phone .
Click to expand...
Click to collapse
Wow, that sounds awesome. I followed most of that. I access download mode on the device by pressing vol up and down simultaneously and plugging in the usb cable. I am more willing to try this, and if it works I will pay you from my paypal. I guess all I need now are those files to run to the sd card. I read the tutorial you posted for the samsung and downloaded the windows disk manager. I am eager to try this method, though it is admittedly very new to me.. If you can post those files, I will follow the instructions you give and pay you a little bit of money for your help!
I am a broke college student so it won't be much, but I really appreciate your response and information on this method with the qualcomm s4.

Here is the unbrick image. follow the guide for your platform (gunna guess windows) and write this to your sdcard after backing it up. from there you need to restore your partitions by flashing them .
https://mega.co.nz/#!YB5xWQ7Y!Qcnx9UmcNn-f6skfiIFN-jd0EeYxdmrQGA1zzP5hfA0

Just wrote it to sd card
shabbypenguin said:
Here is the unbrick image. follow the guide for your platform (gunna guess windows) and write this to your sdcard after backing it up. from there you need to restore your partitions by flashing them .
https://mega.co.nz/#!YB5xWQ7Y!Qcnx9UmcNn-f6skfiIFN-jd0EeYxdmrQGA1zzP5hfA0
Click to expand...
Click to collapse
Okay so I bought the 32 gb sd card. Just wrote the .img file you sent me to the sd card.
I powered on the phone and nothing happened, I got the same LG screen where the led flashes and then stops.
I followed that guide, but am I supposed to go to download mode instead of just powering on the device?
I got a little confused by the samsung jargon lol. I just want to know after I've written the unbrick.zip to the sd card
how do I get my phone to recognize the card is there? And once I am able to do that how do I "restore my partitions by flashing them?"
I do have the factory firmware set to flash through lg flashtool, but the phone can't be detected of course due to the usb issue.
Just want to say thanks for walking me through it this far, I feel like I'm close hopefully but unsure what to do next.

twill1987 said:
Okay so I bought the 32 gb sd card. Just wrote the .img file you sent me to the sd card.
I powered on the phone and nothing happened, I got the same LG screen where the led flashes and then stops.
I followed that guide, but am I supposed to go to download mode instead of just powering on the device?
I got a little confused by the samsung jargon lol. I just want to know after I've written the unbrick.zip to the sd card
how do I get my phone to recognize the card is there? And once I am able to do that how do I "restore my partitions by flashing them?"
I do have the factory firmware set to flash through lg flashtool, but the phone can't be detected of course due to the usb issue.
Just want to say thanks for walking me through it this far, I feel like I'm close hopefully but unsure what to do next.
Click to expand...
Click to collapse
you wrote the image to the sdcard? i wonder if its because you still have the low level bootloaders that it may not be booting from the sdcard, normally this is done to fix qhusb errored devices. as for restoring the partitions all you would need to do is one its booted up push the unbrick image to the phone and use rooted adb shell to write it back onto your phone.

Possible hope??
shabbypenguin said:
you wrote the image to the sdcard? i wonder if its because you still have the low level bootloaders that it may not be booting from the sdcard, normally this is done to fix qhusb errored devices. as for restoring the partitions all you would need to do is one its booted up push the unbrick image to the phone and use rooted adb shell to write it back onto your phone.
Click to expand...
Click to collapse
I meant I used the windows tool to write the debrick.img to the sd card. But no dice, the device isn't recognised.
However! I installed a driver clean up tool and now if I plug in the device it is recognized as Android Original ADB Interface.
The LG Flashtools even says the port is ready! But I get the error code "10" "device cannot start, A request for the USB device descriptor failed."
So now I am stuck on that instead lol. This just sucks.

that sucks about the sdcard, it must be because you arent "truly" bricked. sorry i thought it would help ya :/.

What is the driver repair tool you used? I know this thread is old but I'm having the same problem. I was trying to root my E980 and now my computer wont recognize my device. The phone works perfect, its just when I plug it in to the computer it isnt recognized. How can I fix this?

+1
Just wondering if anyone's come across a solution to this besides a sledge hammer... been having the same "Code 10: Device failed to start" when in Download Mode, though Windows finds a driver fine when the phone is stuck on the LG screen... doesn't help much, though, 'cause it won't receive adb commands. I manually installed the LG USB Composite Device driver, which added a modem and a COM port, both of which Windows recognized to be active, but the LG FlashTool USB Viewer showed no open pipes. I'm a relative noob, so please feel free to point out the obvious, like an alternative to adb that the phone can always receive or a way to brick it the rest of the way so the MicroSD trick will work.

I came across this problem like the OP and just wanna let everyone know that you have to use computer with USB 2.0 port then the driver issue would be fixed.

Bricked? Thanks LineageOS

So I tried to migrate from CM to Lineage (which ive already done on my N5) and while formating my data due to encryption, my tablet is completely F'd in the A.
If I had it connected to my PC i could see it power on and would show 30 or so unknown partitions, but my screen would be blank.
I ended up deleting all of the partitions but now i cant even see the device at all.
Since i cant get anyhting on the display and since i cant even get to fastboot, i have a feeling in screwed and need to go get a new board for it now... or just a new tablet i guess, but i rly liked my & and id hate to be w/o it over something stupid like this...
Can anybody else at least confirm or possibly have another idea?
I dont even get the charging animation with it off either...

carnagex420x said:
So I tried to migrate from CM to Lineage (which ive already done on my N5) and while formating my data due to encryption, my tablet is completely F'd in the A.
If I had it connected to my PC i could see it power on and would show 30 or so unknown partitions, but my screen would be blank.
I ended up deleting all of the partitions but now i cant even see the device at all.
Since i cant get anyhting on the display and since i cant even get to fastboot, i have a feeling in screwed and need to go get a new board for it now... or just a new tablet i guess, but i rly liked my & and id hate to be w/o it over something stupid like this...
Can anybody else at least confirm or possibly have another idea?
I dont even get the charging animation with it off either...
Click to expand...
Click to collapse
Do you have ADB set up? if not, now may be a good time and through ADB try download a factory image.

carnagex420x said:
If I had it connected to my PC i could see it power on and would show 30 or so unknown partitions, but my screen would be blank. I ended up deleting all of the partitions but now i cant even see the device at all.
Click to expand...
Click to collapse
Connect it to a PC again and check the USB mode your N7 is in.
If it is, or if you can make it work in, USB mode 9006 then follow this post. The linked N7 image is from my 32GB Hynix but you can use it to restore boot on any eMMC and adjust it later. While you do not see the partitions anymore, you may be able to access the device to restore the image.
If it is USB mode 9008 then your only recovery option is JTAG or hardware programming of the eMMC chip.
Good luck, it is still fixable :good:

the device still appears completly lifeless however i am able to get the device to show up as
Code:
Bus 002 Device 064: ID 05c6:9008 Qualcomm, Inc. Gobi Wireless Modem (QDL mode)
but im not sure how to go about getting fastboot yet, i get that i can dd an image to it i guess but im pretty sure i only have the 16GB not the 32, wjich i cant seem to find.
After playing with it for a couple hours and reading the entire Unbricking thread, the spot im stuck at now is the 9008-9006 mode switch. I have the QPST software and drivers working right and i get the NAK error but i follow the directions and cant get it into 9006 mode...

LineageOS update of May 24 2017 bricked my Nexus 7 2013 also.
Can't even use the Nexus Root Toolkit to recover. Always get stuck in the Google symbol.
Can enter into recovery, but it takes 15 minutes. And the directory structure showed is all empty.
Rebooting it show some errors saying that the partition table is empty.
"OEM Device Info" of NRT shows that the equipment is now locked also.
Have no idea of what to do. Can't even install the SO again.
There is a thread on "general" that seems to deal with related problems:
https://forum.xda-developers.com/nexus-7-2013/general/rd-thread-trying-to-solve-ota-brick-t3117495

ramon.hugo said:
LineageOS update of May 24 2017 bricked my Nexus 7 2013 also.
Can't even use the Nexus Root Toolkit to recover. Always get stuck in the Google symbol.
Can enter into recovery, but it takes 15 minutes. And the directory structure showed is all empty.
Rebooting it show some errors saying that the partition table is empty.
"OEM Device Info" of NRT shows that the equipment is now locked also.
Have no idea of what to do. Can't even install the SO again.
There is a thread on "general" that seems to deal with related problems:
https://forum.xda-developers.com/nexus-7-2013/general/rd-thread-trying-to-solve-ota-brick-t3117495
Click to expand...
Click to collapse
When you can boot into recovery you are good to go. Use a pendrive and an otg cable and flashthe rom from pendrive.

Already tried that ... Also impossible.

Try this way,
Connect to Computer
Use NRT then pess root, your Device will restart in TWRT then you can put the file in and reinstall.

You may be running into flash wear issues. This device is about 4 years old at this point, a similar thing started happening to the 2012 models. Don't blame the ROM, blame the NAND chip in your tablet.

I have a busted USB port so prefer to recharge via wireless. Sometimes wireless charging keeps disconnect and reconnecting if it's on so I need to shut it off.
I did that and now it just hangs at the Google screen as well.
If I hold Vol down I dont get twrp but the general bootloader. Any choice seems to just reboot it.
I think I'm screwed as well.
Prior to this my pc doesnt detect via USB at all, just charges it.

Is my supposed non-brickable ZUK Z2 bricked????

Having searched far and wide for a solution for my problem (and stumbling across the fact that it is great that the ZUK Z2 is really not brickable) I wonder if there is not one...?
I was simply attempting to flash the Lineage rom (coming from AEX) but kepy getting an Error 7 (if I remember correctly), which is apparently fairly common, but for which none of the proposed solutions was working for me.
It was suggested to carry out a FULL WIPE (so I did this, including internal storage).
I then installed an alternative recovery mode to TWRP (the current one), without actually removing TWRP...so possible conflict here...?
So:
There is currently no OS on phone
I can open my phone in fastboot mode
Impossible to open recovery mode (which is the real killer)
Impossible to get phone recognised as external drive (and hence modify what is on it) - I can get it recognised by the device manager but only as QL.... not my actual phone
Impossible to communicate with phone through adb (logic, since phone not recognised
Since I cannot communicate with the phone in any way OR get the phone into recovery mode, my hands are tied as I see it...I really don't know what can be done from here :crying:
If anyone has any idea of how my phone could be saved, your help would be VERY MUCH appreciated
Thank you in advance for any feedback at all.
Charlie

chazhammer said:
Having searched far and wide for a solution for my problem (and stumbling across the fact that it is great that the ZUK Z2 is really not brickable) I wonder if there is not one...?
I was simply attempting to flash the Lineage rom (coming from AEX) but kepy getting an Error 7 (if I remember correctly), which is apparently fairly common, but for which none of the proposed solutions was working for me.
It was suggested to carry out a FULL WIPE (so I did this, including internal storage).
I then installed an alternative recovery mode to TWRP (the current one), without actually removing TWRP...so possible conflict here...?
So:
There is currently no OS on phone
I can open my phone in fastboot mode
Impossible to open recovery mode (which is the real killer)
Impossible to get phone recognised as external drive (and hence modify what is on it) - I can get it recognised by the device manager but only as QL.... not my actual phone
Impossible to communicate with phone through adb (logic, since phone not recognised
Since I cannot communicate with the phone in any way OR get the phone into recovery mode, my hands are tied as I see it...I really don't know what can be done from here :crying:
If anyone has any idea of how my phone could be saved, your help would be VERY MUCH appreciated
Thank you in advance for any feedback at all.
Charlie
Click to expand...
Click to collapse
Which recovery comes when you choose recovery option when you choose recovery by pressing start when phone is powering on before zuk logo..
You can use cable method (by shorting cable and going to edl mode) and qpst to safety.

sanjay.2704 said:
Which recovery comes when you choose recovery option when you choose recovery by pressing start when phone is powering on before zuk logo..
You can use cable method (by shorting cable and going to edl mode) and qpst to safety.
Click to expand...
Click to collapse
Thank you very much for your suggestion, Sanjay, it is very much appreciated :good:
When I choose recovery, everything just "hangs" - black screen that doesn't go anywhere (that's why I thought that maybe there was some kind of conflict, where the phone didn't know how to chose between the two options perhaps (pure specuclation!)
I have tried the solution you suggest, but it didn't work for me.
I will re-attempt this an extra ten times or so (you never know) just in case, and let you know how things go.
This one:
(https://forum.xda-developers.com/lenovo-zuk-z2/how-to/reboot-to-edl9008-modetotally-bricked-t3720932)

OK, so still no luck...
I used a method to use some tinfoil in the usb to get the device recognised in the device manager - it appears as => Android Device >> ShenQi Composite ADB Interface
The phone is in fastboot mode at this stage.
However, in ADB still no recognition of the phone
When entering "adb devices" I get "List of devices attached" and then blank
If I try "fastboot oem edl" I get < waiting for device >
"Adb reboot edl" gives me => "error: device not found"d
So essentially it still comes down to the fact that my device is not detected...although strangely there are signs of life in device manager (although I don't know what ShenQi Composite ADB Interface refers to ???)
Alternatively I see that it is possible to actually buy an EDL cable from China or something (https://www.magnetforensics.com/blog/qualcomm-phone-edl-mode/)
This appears to be restricted to other devices, but similar issue:
https://www.xda-developers.com/exploit-qualcomm-edl-xiaomi-oneplus-nokia/
Other devices can also use what’s known as a “deep flash” cable, which is a special cable with certain pins shorted to tell the system to instead boot into EDL mode. Old Xiaomi devices can utilize this method, along with the Nokia 5 and Nokia 6. Other devices will also boot into EDL mode when they fail to verify the SBL.
Does anyone know if this would actually work with an EDL cable approach???
Any other ideas out there?
I'd be willing to give someone some money if they were able to work through this issue with me, if they think that there is a solution here..else the phone is just spare parts :-/
Thank you in advance,
Charlie

For a little added information, the other recovery was: TWRP Red Wolf
(https://zukfans.eu/community/thread...r-image-error-7-installing-a-custom-rom.8347/)
While flashing this with TWRP there was an option to flash to.... I don't remember the options and can no longer consult to check, BUT at 2am, about to give up, and not knowing exactly what to select, I selected about 3 options at this stage
I believe there were something like 5 options and I selected "boot" I think, plus..?
Very stupid of course and obviously I was too confident in not creating a problem that couldn't be solved!
I have been playing around with flashing ROMs etc for the last 10 years, over 3/4 different devices and despite having read all the warnings, since over this time I have never had any issues, I kind of considered it to be almost impossible to get into a situation where things are irretrievable...so my comuppance :-/
Again, if anyone has any ideas, I would greatly appreciate

chazhammer said:
OK, so still no luck...
I used a method to use some tinfoil in the usb to get the device recognised in the device manager - it appears as => Android Device >> ShenQi Composite ADB Interface
The phone is in fastboot mode at this stage.
However, in ADB still no recognition of the phone
When entering "adb devices" I get "List of devices attached" and then blank
If I try "fastboot oem edl" I get < waiting for device >
"Adb reboot edl" gives me => "error: device not found"d
So essentially it still comes down to the fact that my device is not detected...although strangely there are signs of life in device manager (although I don't know what ShenQi Composite ADB Interface refers to ???)
Alternatively I see that it is possible to actually buy an EDL cable from China or something (https://www.magnetforensics.com/blog/qualcomm-phone-edl-mode/)
This appears to be restricted to other devices, but similar issue:
https://www.xda-developers.com/exploit-qualcomm-edl-xiaomi-oneplus-nokia/
Other devices can also use what’s known as a “deep flash” cable, which is a special cable with certain pins shorted to tell the system to instead boot into EDL mode. Old Xiaomi devices can utilize this method, along with the Nokia 5 and Nokia 6. Other devices will also boot into EDL mode when they fail to verify the SBL.
Does anyone know if this would actually work with an EDL cable approach???
Any other ideas out there?
I'd be willing to give someone some money if they were able to work through this issue with me, if they think that there is a solution here..else the phone is just spare parts :-/
Thank you in advance,
Charlie
Click to expand...
Click to collapse
Edl cable approach would work for you.. Here is the thread guide for you..
https://forum.xda-developers.com/lenovo-zuk-z2/how-to/deep-flash-revive-zuk-z2-hard-brick-t3577146..
Also I would suggest to stick to official twrp as that's more stable as compared to redwolf..
Hit thanks if it helps.

Thank you again Sanjay.
I have ordered a new lead (to cut open and attempt this intervention)!
I will let you know how I get on.

OK, I have done the cable trick and PORTS shows up in the device manager as "Qualcomm HS-USB QDLoader 9008 (COM5)", which seems to correspond with what was needed.
What should I do next exactly ?
The phone no longer actually shows any signs of life - I hope this is normal

chazhammer said:
OK, I have done the cable trick and PORTS shows up in the device manager as "Qualcomm HS-USB QDLoader 9008 (COM5)", which seems to correspond with what was needed.
What should I do next exactly ?
The phone no longer actually shows any signs of life - I hope this is normal
Click to expand...
Click to collapse
You can go ahead with qfil now.. You should see same port in qfil as well.
Once qpst is completed phone should boot up..

After some issues with the Sahara error (needed to update to edl mode and press download immediately) I finally managed to flash back to stock ROM
Thank you for all of your help!!!

How to UNBRICK?

Hi, everybody
I had the brilliant idea to try to re-lock the bootloader after installing a custom ROM, now my Acquaris X Pro is bricked. ?
I realized that the only way to resurrect it is to use Qualcomm Flash Image Loader (QFIL) by loading the original firmware. The software starts and reveals the Qualcomm HS-USB Diagnostics 900E (COM3) interface and asks me to load the contents.xml file of the programmer.
I then downloaded the latest firmware from the official https://www.bq.com/en/support/aquaris-x-pro/support-sheet page and unpacked the archive, where I found the contents.xml file which I then uploaded to QFIL.
The status window indicates that the prog_emmc_firehose_8953_ddr.mbn file is missing and is trying to load from the BOOT.BF.3.3 folder, which clearly is not present. So I looked for this online and found the folder to download on a Git repository (https://git.szzt.com/yixing/ticai_src). I downloaded the folder and placed it in the path where QFIL expects to find it. I then reloaded the contents.xml file and it reports me the lack of an additional file: rawprogram_unsparse.xml belonging to a certain folder MSM8953.LA.3.0.1.
Unlike the first one, I can't find this last folder online. Can someone help me? ?

Hi @fede91it,
Sorry for the late answer - I have been quite inactive on xda recently
Unfortunately I don't have a solution for you right away, but I got a working X Pro with stock rom (+twrp and magisk) and a bit of experience with the "standard" tools like adb and fastboot. Never worked on such a low level like you though.
Does the tool you mentioned (QFIL) offer the possibility to grab contents from the phone instead of downloading it to it?
Maybe we can get the missing data from my phone?
Sorry for the dump/obvious question, but: What happens in the current bricked state when you turn the phone on? You can't enter fastboot and unlock..?
Another approach: have you tried contacting BQ? Maybe via their forum https://www.mibqyyo.com/. Possibly the missing files are device specific and you would need bqs help..

Thanks for your answer.
I have contacted BQ but they no longer deal with Android phones, I have no support from them.
As for you, thanks for your availability, but the files I'm looking for are for development and don't end up on my phone, so it's impossible to try to extract them from your phone.
By now I've changed phones and kept the Bq as a paperweight brick

fede91it said:
Thanks for your answer.
I have contacted BQ but they no longer deal with Android phones, I have no support from them.
As for you, thanks for your availability, but the files I'm looking for are for development and don't end up on my phone, so it's impossible to try to extract them from your phone.
By now I've changed phones and kept the Bq as a paperweight brick
Click to expand...
Click to collapse
Hey, did you recover your paperweight? I'm in the same situation but with the BQ X PRO

I could not solve it. There are some files missing for the compilation, and I can't find them

Have you tried this method by only using the firehose? forum.hovatek.com/thread-31505.html

Hey, did you recover? I made the same mistake as you. I managed to repair ...
What I did was:
- I removed the battery cable (I did not remove the battery completely)
- I pressed on VolDown button and connected the phone via usb to the pc and immediately went into fastboot mode
- I opened the BQ app on the pc, I loaded the rom and put it to install the rom. It asked to unlock the bootloader (which is what we want) ... The ROM could not be flashed, but it is not important ... As soon as you unlocked the bootloader, the phone started up without a problem

fede91it said:
Hi, everybody
I had the brilliant idea to try to re-lock the bootloader after installing a custom ROM, now my Acquaris X Pro is bricked. ?
I realized that the only way to resurrect it is to use Qualcomm Flash Image Loader (QFIL) by loading the original firmware. The software starts and reveals the Qualcomm HS-USB Diagnostics 900E (COM3) interface and asks me to load the contents.xml file of the programmer.
I then downloaded the latest firmware from the official https://www.bq.com/en/support/aquaris-x-pro/support-sheet page and unpacked the archive, where I found the contents.xml file which I then uploaded to QFIL.
The status window indicates that the prog_emmc_firehose_8953_ddr.mbn file is missing and is trying to load from the BOOT.BF.3.3 folder, which clearly is not present. So I looked for this online and found the folder to download on a Git repository (https://git.szzt.com/yixing/ticai_src). I downloaded the folder and placed it in the path where QFIL expects to find it. I then reloaded the contents.xml file and it reports me the lack of an additional file: rawprogram_unsparse.xml belonging to a certain folder MSM8953.LA.3.0.1.
Unlike the first one, I can't find this last folder online. Can someone help me? ?
Click to expand...
Click to collapse
Hello! Maybe it's too late, but I have the same problem as you and I found this post that talks about our mobile! In it you can find a lot of information, but also the links to download the stock ROMs and the flashing tool to get back to the factory Rom and unbrick the phone! I leave you the links below! Hope it also helps others with the same problem as we! Greeting
Post:
[HOW-TO] BQ Aquaris X Pro | [Stock-ROM] Unlock,Recovery,Root,Upgrade (TWRP/Magisk)
Hi everyone. :) This Post (post #1) shows the complete process of unlocking, flashing, rooting etc. in general, it may refer to old firmware and/or tool versions but the steps remain the same for newer versions. The chapters rely on each other...
forum.xda-developers.com
Link of stock ROMs and the flashing tool:
Support - Aquaris X Pro
web.archive.org

Hi,
Have you ever successfully got it to work again?
Thanks

rufus.wilson said:
Hi,
Have you ever successfully got it to work again?
Thanks
Click to expand...
Click to collapse
Hi,
I managed to get everything working properly.
I installed the Lineage OS custom rom and it works 5 *, with a custom rom you should not block the boot loader, it was the mistake I made.
The solution I used I described 2 comments above

MigSantosPT said:
Hi,
I managed to get everything working properly.
I installed the Lineage OS custom rom and it works 5 *, with a custom rom you should not block the boot loader, it was the mistake I made.
The solution I used I described 2 comments above
Click to expand...
Click to collapse
Hi,
Ah ok.
Just opened it, disconnected the battery. While pressing down VOL- button, I connected it to USB.
Nothing happens on the phone screen. I don't even see the blinking red light now.
Device manager shows it as 9008 COM port.
BQ flash tool doesn't recognise the phone.
I previously installed BQ drivers and rebooted.
Any other suggestions, before I close it back?

rufus.wilson said:
Hi,
Ah ok.
Just opened it, disconnected the battery. While pressing down VOL- button, I connected it to USB.
Nothing happens on the phone screen. I don't even see the blinking red light now.
Device manager shows it as 9008 COM port.
BQ flash tool doesn't recognise the phone.
I previously installed BQ drivers and rebooted.
Any other suggestions, before I close it back?
Click to expand...
Click to collapse
It is strange because it usually shows something on the screen right away ... Pressing the Power button also does not appear anything?
Did you install the ADB drivers? After the ADB drivers are installed, the BQ program recognizes the smartphone
and it also opens doors to use the command line to do almost anything.

rufus.wilson said:
Hi,
Ah ok.
Just opened it, disconnected the battery. While pressing down VOL- button, I connected it to USB.
Nothing happens on the phone screen. I don't even see the blinking red light now.
Device manager shows it as 9008 COM port.
BQ flash tool doesn't recognise the phone.
I previously installed BQ drivers and rebooted.
Any other suggestions, before I close it back?
Click to expand...
Click to collapse
the number 9008 sounds like the EDL mode and NOT the wanted fastboot mode which is required by the usual way of flashing via bq tool or fastboot/adb tools.
What is EDL Mode and How to Boot your Qualcomm Android Device into it
Android phones and tablets equipped with Qualcomm chipset contain a special boot mode which could be used force-flash firmware files for the purpose of unbricking or restoring the stock ROM.
www.thecustomdroid.com
sorry, no solution, only confirming..

Help with Hardbricked g4 h735ar

Hello, I need help with my LG, the cell phone ran out of battery while updating firmware, now I cannot enter download mode, nor fastboot, and the recovery does nothing, when I turn on the cell phone it always ends up in a black screen with a text of the type "CMD" putting a number and something of "udc_start" and that's it.
windows 10 makes the normal beep but does not recognize the model, in the device manager "android device" appears with the warning sign that there are no drivers.
LGUP does not recognize the device
The only way I had to "make windows recognize it" was with "QFIL" and touching the two pins on the motherboard, in the program it says:
"qualcomm hs-usb qdloader 9008 (com4)"
I have never flashed a cell phone bios or a bootloader if I misunderstand (I am relatively new to android), I have only flashed "the operating system" in this case a 1gb .kdz
I have no idea how to do this, if I don't misunderstand, I need a .mbn (I think it's the bios), which is compatible with QFIL, which I couldn't find in all of google.
I've come across other .mbn of "similar" g4 models, I wonder if it will work if I at least try them.
They may not work perfectly, but at least turn on.
What do you suggest? I feel lost in an ocean t-t

Wachecheiro said:
Hello, I need help with my LG, the cell phone ran out of battery while updating firmware, now I cannot enter download mode, nor fastboot, and the recovery does nothing, when I turn on the cell phone it always ends up in a black screen with a text of the type "CMD" putting a number and something of "udc_start" and that's it.
windows 10 makes the normal beep but does not recognize the model, in the device manager "android device" appears with the warning sign that there are no drivers.
LGUP does not recognize the device
The only way I had to "make windows recognize it" was with "QFIL" and touching the two pins on the motherboard, in the program it says:
"qualcomm hs-usb qdloader 9008 (com4)"
I have never flashed a cell phone bios or a bootloader if I misunderstand (I am relatively new to android), I have only flashed "the operating system" in this case a 1gb .kdz
I have no idea how to do this, if I don't misunderstand, I need a .mbn (I think it's the bios), which is compatible with QFIL, which I couldn't find in all of google.
I've come across other .mbn of "similar" g4 models, I wonder if it will work if I at least try them.
They may not work perfectly, but at least turn on.
What do you suggest? I feel lost in an ocean t-t
Click to expand...
Click to collapse
Check out this thread:
[GUIDE][9008][EDL|QDL][QUALCOMM ONLY] Unbrick via external sdcard (no QFIL!)​The author is the definitive LG G4 hard-brick answer guy with possible solutions. You may be able to get some help there.

sdembiske said:
Check out this thread:
[GUIDE][9008][EDL|QDL][QUALCOMM ONLY] Unbrick via external sdcard (no QFIL!)​The author is the definitive LG G4 hard-brick answer guy with possible solutions. You may be able to get some help there.
Click to expand...
Click to collapse
I'll take a look at it, thanks

Seems like a similar problem as I had, that's not gonna work though. The only way to fix it is to use a firehose which you can use a one from a Cyanogen MSM8939 device.