usb filetransfer/adb not working - Xiaomi Redmi 8 Questions & Answers

Hi. i have a Xiaomi Mi 8, when i plug it in it doesent say charging with usb and my pc says unrecognized device. may be corrupted or something.
when i plug it in fastboot it works. i have no clue whats wrong lol

Removed and installed again

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[Q] Problem with connecting LG P970 to PC

Hello people
I'm new here, in terms of asking questions and seeking help
I have the LG Optimus P970
A few days ago I made ​​the update to ICS, and by proceeding with this page, hackmyandroid.com/optimus-black-p970-official-ics-update/3299
After that, not impossible to connect the phone to a PC, even the software update mode, it can not recognize, anyway to connect it just throws a slow charging.
Is there someone who knows what it is.
I'd love to go back to the old software, but there is no way to detect it pc
Sorry for my bad english
Thanks in advance
I forgot to say, before the update, and my computer still recognize the phone, connecting it over sony usb cable, now it is no longer recognized by the Sony USB cable, and I do not have original LG USB cable.
Perhaps this is the reason why a computer will not recognize the phone
edzunic said:
I forgot to say, before the update, and my computer still recognize the phone, connecting it over sony usb cable, now it is no longer recognized by the Sony USB cable, and I do not have original LG USB cable.
Perhaps this is the reason why a computer will not recognize the phone
Click to expand...
Click to collapse
Your problem can be the non original cable or........reinstall the drivers and try again
Enviado desde mi LG-P970 usando Tapatalk 2
ferhpsquad said:
Your problem can be the non original cable or........reinstall the drivers and try again
Enviado desde mi LG-P970 usando Tapatalk 2
Click to expand...
Click to collapse
I have the original cable, but still the same problem.
I have all drivers installed, I can transfer files between the phone and the pc, I can use the LG suite,
But I can't see my phone on the ADB console, I can't use smartflashtool cause the phone isn't recoginized.
yesterday I tried with lg cable, and wall charger, in both cases, said slow charging the battery, I tried on three different computers, I tried to reinstall the drivers, like the software blocked communication with the phone, just charge the battery.
If there was a way to put the software through SD card, it might solve the problem.
even the software update mode, the computer does not see the phone
Bro! For the softwaretool like smartflash, You need to boot into download mode i.e., You need to switch off the phone, plug in the USB cable connected to the PC and instantly press the volume up button. Then the tool will recognise Your phone. Try it and check once!
I tried it, nothing happens,
I go to download mode, but computer does not recognize it again
behaves as if the port is destroyed
edzunic said:
I tried it, nothing happens,
I go to download mode, but computer does not recognize it again
behaves as if the port is destroyed
Click to expand...
Click to collapse
Try to boot your PC with disabled driver signatures, or use a 32bit windows system.
try entering download-mode the following way:
disconnect your phone from pc
remove battery
press and hold Vol-up
connect the usb-cable (still without battery)
Now the phone should be detected as a serial-cable device an you can use the smart flash tool.
would have to be sound,
no sound when I connect the phone to the PC
Solved my problem.
Seems like windows automatically installs driver to the phone, but it partially works.
Unistall all drivers for the phone, or try on a new computer.
Plug the phone and cancel the driver search by windows
Install drivers for LG (unplug the phone before)
Turn it off
Plug the cable and enter download mode
And there is the phone recognized on smartflashtool.
I'm flashing a new one right now, thank you.
You do not understand the problem
there's no sign, no sound when I connect the phone to a computer, any computer, drivers were or were not.
As if something in the phone blocked communication between the PC and phone
edzunic said:
You do not understand the problem
there's no sign, no sound when I connect the phone to a computer, any computer, drivers were or were not.
As if something in the phone blocked communication between the PC and phone
Click to expand...
Click to collapse
I got same problem.
bollix said:
I got same problem.
Click to expand...
Click to collapse
add me!
Connection Problem with Mackay 2.999
Hey Guys,
first of all, sorry for my not so good English
I'am at Mackay 2.999 with last Kernel of his build and can't connect the Phone to the Computer.
It only install the LGE Mobile Composite USB Device, the LGE Mobile USB Serial Port and the LGE Mobile USB Modem on connecting to the Workstation.
I had test it on many Computers but the Problem is all the same: I can't get on my Memory or ADB.
I also had testet all modes under the setting point (MTP/PTP/mass storage device) and with debbuging on and off.
On my Workstation is the Last Version of ADB (1.0.31) installed.
Did anyone know the problem?
Did no one know a result to this problem
Hmmm my PC also can't read my storage what I did is go to cwm and plugged in usb cable and pressed mount storage it seems to solve my problem. I also did a cache and dalvik cache wipe.
Hey, I have found the result to this problem. You must flash another Baseband. Use from Nooby the V30 Baseband and it is solved.
Gruß Ernst
via Tapatalk 2
but how to flash, when can´t connect to pc
lg optimus
hi frendz ,
please help me out
i'm using lg optimus p970..last night my phone memory get full and mobile get turn off ..now it wont turn on even battery is fully charged...only LG logo shows nithing else...
Hy guys , i have the same problem . I updated to 4.4.2 Nameless ROM and i can't connect my phone to pc . The only action that it's done : charging the phone and that's all . I tried connecting to another pc but with no result . An error appeared :" LGE USB Device - No driver found " .Before 4.4.2 i had 4.1.2 from CyanogenMod and with that ROM i had no problem connecting the phone to the pc . Any help ?

Fastboot mode not detected + MTP mode not detected

Hello,
since 2 days my MI5 is not working fine. I can plug it to the energy and charges, but when I connect it to the PC via ADB or fastboot, is not recognized, but charges.
is it possible that the usb-connector is damaged? It looks like the mobile doesn't recognize when is connected to a computer and always is on charge mode. Any ideas how can I check it?
I installed the MIUI USB Settings (https://play.google.com/store/apps/details?id=co.vincze.usbsettings&hl=es_419) and I get the message that I need to plug my mobile to the computer.
I tried with several usb - cables, and also with different computers.
I restart the mobile in fastboot mode and is not detected too, just charges.
thanks for ur help
Anyway what rom and version you're using it..?
Using original cable..?, and already check it that usb connected as MTP not just for charging in developer option..?
Did you already install all driver needed for adb and fastboot interface..i mean driver included while installing miflash tool?, also checking it under pc device manager to check that's already connect with correct driver
JJeamy said:
Anyway what rom and version you're using it..?
Using original cable..?, and already check it that usb connected as MTP not just for charging in developer option..?
Did you already install all driver needed for adb and fastboot interface..i mean driver included while installing miflash tool?, also checking it under pc device manager to check that's already connect with correct driver
Click to expand...
Click to collapse
last developer rom: MIUI 8 Global 7.1.19 | Beta
original cable + other cable.
driver installed correctly (in 3 computers) - The phone was always recognized in the 3 computers, and now is never recognized.
In pc device manager nothing is displayed.
In developer options MTP enabled.
And always is charging.
Restarting in fastboot mode, connected to computer, and also only charges, is not recognized. Is is possible that the usb-port is damaged?
ivanrsz said:
last developer rom: MIUI 8 Global 7.1.19 | Beta
original cable + other cable.
driver installed correctly (in 3 computers) - The phone was always recognized in the 3 computers, and now is never recognized.
In pc device manager nothing is displayed.
In developer options MTP enabled.
And always is charging.
Restarting in fastboot mode, connected to computer, and also only charges, is not recognized. Is is possible that the usb-port is damaged?
Click to expand...
Click to collapse
Really weird..but it's possible your usb port of your phone already broken..
Anyway how do you get using 7.1.19 beta rom..?, from updating or fresh flashing from twrp with already unlocked bootloader..?
If from twrp..how about connecting while in twrp..?, did your pc recognized it..?
JJeamy said:
Really weird..but it's possible your usb port of your phone already broken..
Anyway how do you get using 7.1.19 beta rom..?, from updating or fresh flashing from twrp with already unlocked bootloader..?
If from twrp..how about connecting while in twrp..?, did your pc recognized it..?
Click to expand...
Click to collapse
unlooking bootloader and installing twrp. after I get the updates directly from xiaomi...
ivanrsz said:
Hello,
since 2 days my MI5 is not working fine. I can plug it to the energy and charges, but when I connect it to the PC via ADB or fastboot, is not recognized, but charges.
is it possible that the usb-connector is damaged? It looks like the mobile doesn't recognize when is connected to a computer and always is on charge mode. Any ideas how can I check it?
I installed the MIUI USB Settings (https://play.google.com/store/apps/details?id=co.vincze.usbsettings&hl=es_419) and I get the message that I need to plug my mobile to the computer.
I tried with several usb - cables, and also with different computers.
I restart the mobile in fastboot mode and is not detected too, just charges.
thanks for ur help
Click to expand...
Click to collapse
Same problem here, from 3 or 4 days
Any solution to solve, please?
And neither twrp i can install

USB connection problem

Hello all
I've have a problem with my Xiaomi Redmi 4x. After last two updates, my phone wont connect to any PC or Laptop. The phone can charge from the Powerbrick or outdoor battery, but can not connect to the laptop. I've tried to enable USB debugging, like some indian folks on youtube, but without any luck. The phone only connect and disconnect right after that. I've already tried Factory reset but wihtout any luck again.
The phone is full stock no unlocked BL no Root and etc.
Phone: Xiaomi Redmi 4x
OS: Android 7.1.2 N2G47H // 2018-03-01
MiUI: 9.5.4.0
Kernel 3.18.31
Baseband version 2.3.c1-00395-8953_GEN_Pack-1_V034
killvanrea said:
Hello all
I've have a problem with my Xiaomi Redmi 4x. After last two updates, my phone wont connect to any PC or Laptop. The phone can charge from the Powerbrick or outdoor battery, but can not connect to the laptop. I've tried to enable USB debugging...
Click to expand...
Click to collapse
Hi, unless you need ADB, make sure to disable USB debugging. I suppose you complain about MTP connection, yes? If so, did you drag the notification bar and change "charging" to "transfer"? Did you notice the VID/PID in Windows Device Manager? Is it USB\VID_2717&PID_FF40(48) or something else? If you use Linux check VID/PID with lsusb command.
k23m said:
Hi, unless you need ADB, make sure to disable USB debugging. I suppose you complain about MTP connection, yes? If so, did you drag the notification bar and change "charging" to "transfer"? Did you notice the VID/PID in Windows Device Manager? Is it USB\VID_2717&PID_FF40(48) or something else? If you use Linux check VID/PID with lsusb command.
Click to expand...
Click to collapse
Hi, yes I've complain not only for MTP, but also for charging. When I pluged the phone into PC or Laptop the LED indicator started flashing, battery charge icon also. After 7-8 flashesh, the LED stop flashin and the phone doesnt charging and have no any options for file transfer. Also have no new device in Device Manager or phone storage drive in My Computer. I will try tonight under linux to check if there will be any changes.

Can't get OTG to work or show up.

So I put this phone away for quite a while, I recently took it out to use with my USB c earpiece from Xiaomi, but it wasn't connecting. So I tried plugging in a USB C Otg thumbdriver, it too did not show up.
I was running Pixel Experience when it had treble support. But given I thought it might be at play for why it's not detected, I wiped and reinstslled miui through TWRP. However after doing that it still didn't work. So I tried to see if TWRP could detect a USB C thumbdriver, it too didn't detect. I resorted to using Mi Flash tool to Flash the stock firmware of Mi Max 2, but still doesn't work.
Anyone know what I could possibly do to get it to work? Thanks
I have a similar issue not same. Similarly my phone stopped detecting usb flash disk on otg. Below is what i did,
To understand if your usb port is malfunctioning, connect your phone to PC and try to communicate through ADB interface. If it goes well than your configuration somewhere deep there sucks (which is my case) or else you have a hardware problem.
kirpi_e said:
I have a similar issue not same. Similarly my phone stopped detecting usb flash disk on otg. Below is what i did,
To understand if your usb port is malfunctioning, connect your phone to PC and try to communicate through ADB interface. If it goes well than your configuration somewhere deep there sucks (which is my case) or else you have a hardware problem.
Click to expand...
Click to collapse
Ah it's okay, I sent it to Xiaomi and got it repaired. Thanks!
kirpi_e said:
I have a similar issue not same. Similarly my phone stopped detecting usb flash disk on otg. Below is what i did,
To understand if your usb port is malfunctioning, connect your phone to PC and try to communicate through ADB interface. If it goes well than your configuration somewhere deep there sucks (which is my case) or else you have a hardware problem.
Click to expand...
Click to collapse
Please advise how did u fix this
Have installed pixel experience oreo rom on mi max 2 and then I noticed org was not working
Please advise

USB problem - Want to come back to original ROM

I unlocked my Mi A2, and it started to have problems with the USB cable.
Sometimes It wont charge, and sometimes the device is not recognized when plugged to my computer.
I want to come back to the original ROM, but when I boot to fastbot, it wont be recognized by my computer (tried on mac also).
What can I do?
PS.: I am using the original cable, and already tried other cables.
I wanted to revert to stock but my phone wasnt bricked and i wanted to enter edl mode but my pc dont recognize, i tried a lot of thing and i came up with the idea of disable USB debuggin, i didnt think it was gonna work but i tried and now my pc recognizes my phone and i can enter to edl. PD: Sorry for my english, good luck

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