guys, i need help. even flashing with asus flash tool version 1.0.0.45 i got some problem. even i plug usb on my phone, asus flash tool is detected but even i starting to flash, there is fail .. description statement is "Check Detected Serial Number is Failure (not found device of "123456789ABCDEF") i was try with other metode like ADB Fastboot tool but even flasing goto 54% my phone is restarting and then the flash is fail.
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So I have bought a L7 and when I have it the phone is not working, the seller doesnt want to take my money back so I need help with this :S!
No appears to do anything when connected to charger
No led
No vibrates
No emergency mode
When I connect it to my PC it recognizes it as QHSUSB_DLOAD, but neither KDZ or LG update program recognize it :S!!
Someone know how to reinstall OS I think is software issue but I dont know how fix it
Thanks!
Try following the instruction I got from a website.
What is 'qhsusb_dolad' ?It is the situation when you can't boot into your phone,recovery mode and any other visible interface. When you connected your phone to the PC, the LED will flash and your PC will show that they were searching for the drivers needed(win7/8) but they couldn't find .......If it is commom for you to remove the battery when the phone did not shutdown completely or when you ran into 'No-Response' , as time goes by ,it will be inevitable that you come across the 'QHSUSB_DLOAD' situation .
But from now on ,you needn't worry about that for I have found a way out.
Tools needed:
Hardware: A PC running XP and higher (win7/8 recommended) and your usb cable
Software : MIflash and MIAssistent and a certain mi update rom(It is a *.exe file---fastboot file)
Steps :
1. Install the first two softwares described above(Run as administrator) in your PC (You need to disable the enforcement of digital signature while on win8 in the advanced startup (press 7 or F7)
2.Boot into fastboot mode(you just need to do with your two buttons and usually you cann't see the interface for your screen just won't show in this situation) before connecting to PC
3.Connect you MI2/S to your PC via the usb cable and the pc will recongnise it in the device manager panel(if not, update its driver in the unknown device---qhsusb_dload)
4.Open the miflash and click fresh to load your phone's serial number
5.Flash the update rom(the self-extracted-to folder) into your phone and reboot .
Explanations:
Miassistant contains the 'qhsusb_dload' driver for any phone and it enables the PC(Miflash) to recongnise your CPU serial which is the key part of updating by wire.
Tips:
Try this with your other phone, I believe it will work ,too.
I'm supposed to just copy/paste the link.. but the protocol won't let me since I still don't have more than 10 posts. I just want to help. Try this
Hello there!
So I accidentally bricked my phone a few days ago and now it is resting as a brick on my desk, but how did all of this happen, you may ask?
Well, the story is rather simple, I had the Simple ROM V. 1.4 installed on my G2 and decided to update it to version 2.0, which is posted here somewhere, but what I didn't notice was that the file I was downloading (even though it said it was compatible with all versions) was not for the D800 but for the LS980 and this bricked the phone.
First I was stuck on fastboot mode and was able to get my download mode back, but it kept saying that it couldn't flash the stock rom because it was the wrong model.
Looking online and through these forums, I found out that it was because the download mode that it had was not the right one to use, and that I needed to "destroy" download mode, enter once again in fastboot mode and flash the new download mode, this, however, turned out out to be impossible as the fastboot mode is no longer being detected by Windows nor Linux.
I installed back the USB drivers, installed Android ADB, changed the UDEV rules with mew vendors ID from the list provided by Google, updated the drivers on my PC and even tried to change the directory in which the phone would appear.
The problem resumes to this:
When in fastboot mode (connected to the PC) and type
Code:
fastboot devices
in both Windows and Linux, I get the response as
Code:
???????? devices
.
When I try with
Code:
adb devices
I get back nothing.
Curious thing is that the phone does appear on Device Manager as an Android ADB device and when on Linux I use the
Code:
lsusb
I get back that it is being recognized as
Code:
Google Inc. 18d1 d00d
, which I believe is the phone.
When trying to run any fastboot commands, the phone stays on "waiting for device" on Linux or "flashing" on Windows and later a messages pops back at me with
Code:
Error too many links
.
With all this in mind, I would like to ask you guys, is there something that I am missing?
Any help will be truly appreciated!
PS. Forgot to mention that I have tried with other computers and have the same result and the model of my phone is the D800.
Just to add a bit more into the case.
I had installed prior to all this mess, TWRP which had a Nandroid backup in the internal storage and file backup.
When using the LG Flash tool (KDZ one) I am able to see the available storage, which is about 2.5gb. This leads me to believe that both the Nandroid backup and Backup files are still in the internal storage.
Also, I did some more digging and got information that it might be the USB cable, however, this cable worked fine the first time and with other devices. and while connecting the phone with it to the PC it will still register the device as connected, but apparently no USB port is assigned or fastboot flash tool does not find the phone.
help i have lg-324t stock on firmware upgrade mode only..i want to upgrade its firmware from lg tool but the device detected as mtp device when i try to reconnect at first the pc detect it as mtk preloader then follows as modem then i see a blink of lge usb port but suddenly it ends up as mtp device with a warning that this device cant start normally how can i flash this on flashtool knowing that this devices will not be recognized in pc..tried to flash the lg-l-07c in flashtool without any problem..pls help me i think i have a driver issue...i have install latest LG drivers
finally manage to work things out
simpleprince49 said:
help i have lg-324t stock on firmware upgrade mode only..i want to upgrade its firmware from lg tool but the device detected as mtp device when i try to reconnect at first the pc detect it as mtk preloader then follows as modem then i see a blink of lge usb port but suddenly it ends up as mtp device with a warning that this device cant start normally how can i flash this on flashtool knowing that this devices will not be recognized in pc..tried to flash the lg-l-07c in flashtool without any problem..pls help me i think i have a driver issue...i have install latest LG drivers
Click to expand...
Click to collapse
i have installed latest LG Suit and all drivers where finally goes as it is and flashed the phone successfully...thank you for viewing
Hey there guys!!!
Can you please help me with this?
Yesterday i tried to install a new ROM on my LG Android phone (My LG phone is not working properly, it has a reboot loop). I tried to do a factory reset without success -> the dead Android logo appeared :/
I put my phone in Download Mode and connected to the pc but Windows does not recognize my phone.. it says: "USB device not recognized.. the last USB device you connected to this computer malfunctioned and Windows does not recognize it"
I do not know what to do now.. when i try to flash a ROM with the LG Flash Tool it fails because LG program does not recognize my device..
PS: LG Support Tool recognizes my phone (it shows the model) but i cannot flash a ROM
Thanks!!:fingers-crossed:
Model Number: SM-G955FD
I Think i bricked the phone when i installed a TWRP update by flashing the twrp file as an .img file after renaming removing the .tar extension from the file. Currently im stuck in a bootloop where i the device shows up as an unrecognized device in windows when im in download mode. When Booting up i get red Text saying " Could not do normal boot. Invalid Kernel Length"
For those who would say: "Install USB drivers" --> The usb drivers have nothing wrong with them, i tried out another similar phone ( SM-G955FD ) and it works, i flashed stock, flashed TWRP, no problem with that other phone. But when i Insert the bricked phone with it on Download mode, all i get is that its an unrecognized device, device descriptor failed. (This is ever since a long time ago, Even OTG doesnt work somehow, but the device charges fine, and when i use my external SSD with a USB C to USB C wire it shows up).
For now What i have done is:-
I Tried to boot into Recovery -> Doesnt work, its stuck in a bootloop (I think its because i flashed the TWRP file as . img into the recovery Partition).
Booted into Download Mode -> It works
I Opened up the Phone and swapped out the Motherboard with another one from an S8+ with a semi functional Screen. Download mode works, phone works fine, nothing wrong with it, board is just old and i would prefer to fix the other one
What works:-
Download Mode
the USB port has nothing wrong with it. i Swapped in another USB board from a similar phone which shows up in odin and it still would show up.
What doesnt work:-
Recovery mode Doesnt work.
I believe its a Kernel/Software issue. Share your thoughts on this.
For now, i am running the phone on an older board from a phone with the same Model Number SM-G955FD with the Original Parts except the Motherboard. Even though i am somehow fine, i do not want the other board go to waste.
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