USB device not recognized anymore - Xiaomi Poco F2 Pro (Redmi K30 Pro) Questions & Ans

I recently had my phone's board replaced so I lost root. Now, I'm trying to unlock my bootloader again, but I keep on getting this error when connecting my phone. Dev option is already enabled, OEM unlocking and USB debugging are enabled as well. Also, phone charges so nothing's wrong with the cable. And I'm using the same PC I used to root my phone, but that's 2 or 3 years ago. Anyone has an idea and can help me?
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It looks like a defective usb port on the PC or an incorrect repair.
And if you connected in Fastboot or simply to transfer photos, what happens?

Related

usb strapping htc 8x to an android device (wip)

Its a work in progress but I was able to get a galaxy nexus to recognize my HTC 8.1 then strapped together with usb otg powered cable with a charging micro usb connected to the otg
This worked in the bootloader mode and booted mode on the 8x. Didn't work when android was booted in tarp recovery. Android gallery on the galaxy nexus attempted the sync photos but failed.
I'm thinking the possibility of using a parallel usba to usba ustarcom cable might might be successful at reading the window phone file system.
I will add pics when I get to a pc.
Any suggestions or comments are apprecieated.
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How to get usb otg working on lg max

Hi devs.
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According to this inside settings and storage i have an option of external usb mount.
But when i tried it. Nothing happens.not even the led in the pendrive works.
I tried it about 30 different cables so there is no chance that every cable is faulty.
And my personal 16 gb pendrive. It works fine on pc.
When i insert the cable with pendrive.
Nothing happens. This option remains locked. And nothing happens to device not pendrive.
Plz solve this problem. And grately i am not rooted. Nither this device shows any optuons in recovery.
I have recovery amd fastboot mode.
Sent from my LG-X160 using XDA Free mobile app

Can't connect phone to PC

Hey all, OnePlus 8 not detected in Ubuntu or Gallium OS, not detected by lsusb even though MTP is on, ADB and Fastboot don't detect the device and the device will not let me choose anything other than data transfer, everything else is all grayed out. I have tried re-installing adb, fastboot, drivers, wiping the device, using a different cable (I have 5 I'm playing with) and using a different device. Nothing is working. My phone is on EvolutionX ROM.
Also, the notification that shows whenever the device is connected to another and allows you to change the USB state (MTP, PTP, etc) does not show.
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OnePlus 8t hard brick

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After flashing local update my phone go to crash dump mode. My oem unlock and usb debugging turned of during flashing. Then i used msm tool and flash again, after flashing my not booting. Just show OnePlus logo and turned off. What should i can do? Is anyone help me? Does my phone permanently bricked?
I very much doubt your phone is permanently bricked.
To get out of Crash Dump, see https://forums.oneplus.com/threads/stuck-at-qualcomm-crashdump-mode.1316587/#post-22185541
I've found the MSM tool to work really well. Make sure you use the right version for your phone.

I cant flash my qcn.

Hi, im flashing my qcn to get my imei back. When i enter diag mode, my qfil showing that i am connected with “COM8”.
But when im restoring it, logs activity showing me this. But im already connected my phone with diag mode. Any solution?
This is the problem
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Im trying every methor: switching cable, ports. But it keep showing that my phone hasnt connected.
Is that because of my phone or my laptop?
4muayeuem said:
Im trying every methor: switching cable, ports. But it keep showing that my phone hasnt connected.
Is that because of my phone or my laptop?
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You need to update the Qualcomm drivers.
Wrong port

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