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Unknown USB device(Device Descriptor Request Failed)

Unknown USB device(Device Descriptor Request Failed)

Barel
Barel
Barel
Newbie
2
25-04-2021, 01:59 PM
#1



When I'm connecting my dead mtk device the pc can't recognize it(it says "Unknown USB device(Device Descriptor Request Failed)")
therefore I can't start with unbrick process, sp flash tool doesn't recognize the device and I'm stuck.
I tried to reinstall drivers so I deactivated windows 10 digital signature enforcement and installed the VCOM drivers.
this didn't fixed the problem.
I also tried multiple drivers from multiple source on the internet(also tried the EXE that installs automatically)
I tried different pcs(all of them Windows 10)
I tried to plug in the device during pressing all buttons in order to enter META mode
When I open USBDEVIEW software I can't see any mediatek drivers although that they were installed successfully.
I also tried to tell windows to skip the device descriptor requesting process by setting REGISTRY entry in USBFLAGS

I don't know what to do next. I need your help.
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Abdulakeem14
Abdulakeem14
Abdulakeem14
Senior Member
1,757
25-04-2021, 07:04 PM
#2
(25-04-2021, 01:59 PM)Barel When I'm connecting my dead mtk device the pc can't recognize it(it says "Unknown USB device(Device Descriptor Request Failed)")
therefore I can't start with unbrick process, sp flash tool doesn't recognize the device and I'm stuck.
I tried to reinstall drivers so I deactivated windows 10 digital signature enforcement and installed the VCOM drivers.
this didn't fixed the problem.
I also tried multiple drivers from multiple source on the internet(also tried the EXE that installs automatically)
I tried different pcs(all of them Windows 10)
I tried to plug in the device during pressing all buttons in order to enter META mode
When I open USBDEVIEW software I can't see any mediatek drivers although that they were installed successfully.
I also tried to tell windows to skip the device descriptor requesting process by setting REGISTRY entry in USBFLAGS

I don't know what to do next. I need your help.
disconnect and reconnect battery and try again if it doesn't work then check your phone usb port.
This post was last modified: 25-04-2021, 07:07 PM by Abdulakeem14.
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