LG Flash Tool not detecting my LG G4 H810. - AT&T LG G4

I want to flash stock rom on my H810 but cannot get the tool to recognize the device, the flash tools says that the device is not connected to the PC and I have installed all the LG drivers. I also have the "secure boot error 1003" error. Please help me with this and please specify me the custom recovery file and rom custom ROM for the device (cyanogen). Thanks

i think you need to pinout your motherboard to make it detectable to pc as QHUSB_BULK then install qualcomm drivers

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emergency help needspflashtools

htBro I have alcatel 6043d (mtk 6592) and i format
my whole flash with sp flash tools and now my
phone doesnot booting and not showing anything
but carging led in working when coNnecting to
charger......now sp flashtools not detecting my
phone please tell me how to detect phone with
flash tools is ....is I need new drivers or what
please help me
follow mine sol..
First flash drivers for your phones chipset
Then restsrt your pc
Then your pc detect it..

Boot Loader File Has Been Deleted From Android

Guys Please Help When I Was Using Sp Flash Tool I Click "Format All" And Now My Cell is not going to be charge and switch on please help me any member any body i have mt6575 device china android phone Model Coca Z1 Firmware due to corrupt firmware my downloading stops at 56% then sp flash tool give many errors now please help that how i can install bootloader in my android device again. my pc is not supporting that phone by connecting through usb cable even i have downloaded many corrected drivers and also installed when i was using sp flash tool it was working but after format all i ost my boot loader.:crying::crying::crying::crying::crying::crying::crying::crying::crying:

Bricked Ulefone Armor 8 Pro

Hi everyone, I tried to flash a patched Magisk boot image on my Ulefone Armor 8 Pro via fastboot but the device is now stuck in bootloop. I have already read some threads about trying to flash the stock firmware using the proprietary SP Flash Tool, but the phone doesn't remain in download mode for more than a few seconds. I can't even boot in recovery/fastboot mode again to try to flash the stock boot image since the phone just keeps rebooting. If someone could give me a hint it would be really appreciated.
stwm25 said:
Hi everyone, I tried to flash a patched Magisk boot image on my Ulefone Armor 8 Pro via fastboot but the device is now stuck in bootloop. I have already read some threads about trying to flash the stock firmware using the proprietary SP Flash Tool, but the phone doesn't remain in download mode for more than a few seconds. I can't even boot in recovery/fastboot mode again to try to flash the stock boot image since the phone just keeps rebooting. If someone could give me a hint it would be really appreciated.
Click to expand...
Click to collapse
You need write the model of device.
Currently I know of 3 models: 4GB RAM(Armor 8); 6&8GB RAM(Armor 8 Pro).
So with the correct stock ROM you can flash the device.
To use SPFT you need to specify which OS you have: Linux; Win7_8_10; other
This is to know if you actually installed the USB MTK drivers correctly and if further action is needed.
Also, write if you have the device with the bootloader locked or unlocked.
I have the 6GB RAM and have downloaded a time ago the GQ3090RH3_KSX70H_Ulefone_20210902_V01(Non-EU).zip file aka stock ROM. That's aka Non_EEA model. In the Ulefone site have SP_MDT_exe_v3.2048.02.00(Client).zip aka flash tool.
You used that tool?
Thanks for the reply. I have the model with 6GB of RAM as well and I am currently trying to recover my phone by using Windows 11 in a virtual machine. The bootloader is unlocked and I tried to flash the EU version of the stock ROM (GQ3090RH3_KSX70H_Ulefone_EEA_20210902_V01(EU).zip) by using SP_MDT_exe_v3.2048.02.00(Client).zip (after installing the required drivers), but as I have already specified I can't boot in download mode for more than a few seconds. My computer recognises the device as "MediaTek MT65xx Preloader" but the phone immediately reboots and I am not able to flash the stock ROM.
stwm25 said:
Thanks for the reply. I have the model with 6GB of RAM as well and I am currently trying to recover my phone by using Windows 11 in a virtual machine. The bootloader is unlocked and I tried to flash the EU version of the stock ROM (GQ3090RH3_KSX70H_Ulefone_EEA_20210902_V01(EU).zip) by using SP_MDT_exe_v3.2048.02.00(Client).zip (after installing the required drivers), but as I have already specified I can't boot in download mode for more than a few seconds. My computer recognises the device as "MediaTek MT65xx Preloader" but the phone immediately reboots and I am not able to flash the stock ROM.
Click to expand...
Click to collapse
Win11 is not good to use SP tool.
Maybe using Win10?!
"MediaTek MT65xx Preloader" is normal but need installing drivers correctly. You can try this: Driver_Auto_Installer_EXE_v5.1632.00.zip - 8.8MB
Reboot VM and try with the device turned off!
For using SPFT or SP_MDT your device not need in the bootloader mode. Device turned off - conect USB - look about USB PORT COM - Scan - Start All
If you not know how to do so Read Upgrade software guide for factory assembly line.pdf
Here file and more about: Upgrade tools and USB driver - Armor 8 Pro
___________________________
UP: Maybe SP need more than you know.
I used the SPFT and worked good to me with Win10.
May be SPFT can help more than SP: SP_Flash_Tool_v5.2124_Win
For using SPFT your device not need in the bootloader mode. Device turned off - open sxcatter file - look for Download Only option (NOT use FORMAT+....!!!!) - now with the device turned off conect USB - press DOWNLOAD (Ctrl + D).
Well, you saved my phone. Thanks for the help, I really appreciate that. I installed Windows 10 and the drivers you linked me and via SP Flash Tool I managed to flash the stock ROM after connecting the device with a USB cable. Thanks again.
How do I get this phone into download mode? Cannot seem to get it to flash
I've followed your tips but I cannot get the phone recognized by the flash tool.
I've collected full details here: https://android.stackexchange.com/questions/248035/bootloop-in-ulefone-armor-8-pro
Can SPFT be used with Linux?
jlbradl said:
How do I get this phone into download mode? Cannot seem to get it to flash
Click to expand...
Click to collapse
I know the fastboot mode. It is entered by pressiong Volume + and power button simultaneously.
stwm25 said:
Thanks for the reply. I have the model with 6GB of RAM as well and I am currently trying to recover my phone by using Windows 11 in a virtual machine. The bootloader is unlocked and I tried to flash the EU version of the stock ROM (GQ3090RH3_KSX70H_Ulefone_EEA_20210902_V01(EU).zip) by using SP_MDT_exe_v3.2048.02.00(Client).zip (after installing the required drivers), but as I have already specified I can't boot in download mode for more than a few seconds. My computer recognises the device as "MediaTek MT65xx Preloader" but the phone immediately reboots and I am not able to flash the stock ROM.
Click to expand...
Click to collapse
did you fix your phone?
Alex76rod said:
did you fix your phone?
Click to expand...
Click to collapse
i have the same problem.
it wont stay turn off
so the sp tool can't flash it.

Question A12 SM-125F/DSN only shown as mediatek usb unbrick

Hello! I have the phone from the title and I need a scatter firmware for this model to flash it with the SP Tool program, to unbrick it. I can't flash it with Odin, because download mode or recovery does not work. I have working MT Bypass tool and drivers installed correctly and phone is detected as mediatek usb but I need the correct firmware. Can somebody share a link to a firmware like this or a complete backup scatter firmware from a working phone, for this model?
Samsung Galaxy A12 (SM-A125F) MT6765 Scatter Firmware Flash File Free Download
Samsung Galaxy A12 (SM-A125F) hang logo stuck frp bypass hard reset drivers restart MT6765 Scatter Firmware Flash File Free Download
mr-mobiles-city.blogspot.com
i found this website somewhere in the internet
That archive is password protected and the password "gsmVNtool" is not working...
I have this yt video link
But just curious what did you do to the device before hardbrick(eg.Install TWRP,flash firmware?
How did you brick it?
It's my father's phone. I suspect an update has started and the battery has been discharged. The phone restarted continuously and does not charge the battery. Showed only the charging sign but without the charging percentage. I tried to flash it with odin and nothing changed. Then I used SP Flash Tool with a firmware found on internet an choosed to format all. But here was my mistake, because that firmware was for A125U1. Now, I followed your post and I converted the last firmware but when I try to flash the files with sp tool, i get errors , something with image too large, invalid header, etc... I'm at work now, but I think that you know what I'm reffering to... Thanks for the help.
Is there a way to unlock the bootloader without the phone working with ODIN? I'm trying to write the latest firmware version, (A125FXXS2BVA3_A125FOXM2BVA3_ROM), with SP Flash Tool, because I can't downgrade back to Android 10, and I get the errors: "STATUS_SEC_IMGHDR_TYPE_MISMATCH; Verified boot is enabled. Please download signed image or disable verified boot."
If I try to write a firmware version with Android 10, SP Flash Tool returns the error: "STATUS_SEC_VIOLATE_ANTI_ROLLBACK".
Unlocktool.net its a paid tool to unlock bl and remove kg lock without having access to download

[Sovled] Unknown USB Device problem

Hi , yesterday I was flashing the MIUI official rom via the Spflash Tool and I unplugged it accidentally , after that I tried to reconnect it and it appear "Unknown USB Device (Descriptor Request Failed)" in the device manager. Is this fixable with software such as hydra , spflash tool or reinstalling the drivers? (Sorry for my bad English.)
phone is booting to OS or did you brick it?
yaro666 said:
phone is booting to OS or did you brick it?
Click to expand...
Click to collapse
I guess its bricked , I was flashing the miui 12 via the spflash tool but I unplugged the cable accidentally so now it became Unknown USB Device in the device management.
does it boot to fastboot?
yaro666 said:
does it boot to fastboot?
Click to expand...
Click to collapse
no , it even can't boot to the MediaTek mode (the mode which uses spflash tool).
then you bricked it. try edl or seqrch for someone with box
Okay so now the unknown usb device problem is fixed but theres a new problem. When I use the MediaTek EDL mode to flash the MIUI , it appeared a error "ext ram expectioned". It stucked at the "Download DA" process and after 60s the device disconnected from my pc and appeared that error.

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