Issue with MTP - Redmi K20 / Xiaomi Mi 9T Questions & Answers

Hi all, I recently started having issues with MTP. I can no longer mount or connect my phone using MTP, recovery or fastboot. The phone charges from PC or wall with no issues though. I bought 4 new cables to rule out cable issue and have tried windows/Ubuntu on PC and a laptop.
Tried all available USB ports. The same cables work fine with other android phone.
I have performed a reset on my phone and formatted data.
What other options can I try
I have miui 12 EU rom

devilsden said:
Hi all, I recently started having issues with MTP. I can no longer mount or connect my phone using MTP, recovery or fastboot. The phone charges from PC or wall with no issues though. I bought 4 new cables to rule out cable issue and have tried windows/Ubuntu on PC and a laptop.
Tried all available USB ports. The same cables work fine with other android phone.
I have performed a reset on my phone and formatted data.
What other options can I try
I have miui 12 EU rom
Click to expand...
Click to collapse
Maybe something wrong with type-c connector on the phone, some small dirt in the whole, or so
Try to ventilate by hair-dryer (on cold), try by slighty changing the angle of the cable (its connector)

zgfg said:
Maybe something wrong with type-c connector on the phone, some small dirt in the whole, or so
Try to ventilate by hair-dryer (on cold), try by slighty changing the angle of the cable (its connector)
Click to expand...
Click to collapse
Thanks for the advise, tried cleaning as well as changing the angle but unfortunately didn't work. Guess the connector is damaged.

devilsden said:
Hi all, I recently started having issues with MTP. I can no longer mount or connect my phone using MTP, recovery or fastboot. The phone charges from PC or wall with no issues though. I bought 4 new cables to rule out cable issue and have tried windows/Ubuntu on PC and a laptop.
Tried all available USB ports. The same cables work fine with other android phone.
I have performed a reset on my phone and formatted data.
What other options can I try
I have miui 12 EU rom
Click to expand...
Click to collapse
Try to find my previous post via profile
I had similar issue.

epicblue8 said:
Try to find my previous post via profile
I had similar issue.
Click to expand...
Click to collapse
Tried a USB hub but no luck. Thanks

Related

Is the HD extremely picky on USB connections?

I have used several WM phones before this, the two last were Atom and Atom Life. But this phone does not want to play ball with the USB extension cables I've been using all the time. First: No, the cables are all right: I can still sync my Atom Life without any problems. And I have used the original USB cable for the HD that comes with the box at the end (even though I've heard that syncing works just as well with a regular mini USB).
But neither a 3 m long extension cable (which is well below the 5 m USB limit) nor plugging it into a USB hub helps. Sometimes I can get a bit further with unticking the "advanced network" part of the USB to PC connection. But not allways. Has anybody here found a solution to that or even had the same problem?
Mine works fine on a Belkin 5 metre extension cable.
I can only sync with the cable that came with the phone. Other mini USB cables (ones that fit but are a different shape) only charge.
barryfell said:
I can only sync with the cable that came with the phone. Other mini USB cables (ones that fit but are a different shape) only charge.
Click to expand...
Click to collapse
r u serious?! damn..!!! i've never tried it with the HD. my touch pro used to work perfectly with non-factory mini usb cable...
This happened to my HD.
Phone call to orange later and they insisted on replacing it under insurance.
All they wanted to check was whether the HD and PC would sync. I told them no and the response from the script that they have to work through, was that the phone is marked as "broke" and needs replacing.
In my case I suspect that the USB port may have been damaged when the car charger cable was pulled out accidently in the car with some force. Seems that they are a little delicate, especially with none HTC cables (i.e. without the odd shaped plug with only one corner truncated). I have read that non HTC ones fit a little less snug and can put stress on the board inside the phone when plugging / unplugging.
nickallison said:
Seems that they are a little delicate, especially with none HTC cables (i.e. without the odd shaped plug with only one corner truncated). I have read that non HTC ones fit a little less snug and can put stress on the board inside the phone when plugging / unplugging.
Click to expand...
Click to collapse
You hit that on the money. I see it as a design flaw as well as a scheme to get people to buy HTC-specific accessories. But you are right, generic cables with the different connector do fit loosely and can cause issues after time if you are not gentle with it. Also, the USB connector itself on the device and internally on the solder points is poorly designed. This doesn't help.
I can sync with any cable, but it seems to be to problems:
1. If the extension is too long, it will fail.
2. If it's run by more than one USB hub it will fail. The first hub is a Toshiba docking station with a one meter cable from the laptop. The second is a D-Link powered USB hub. No matter what cable I use then it won't sync. With the cable connected to the Toshiba docking I can sync both with a regular mini USB and the original cable. Strange thing is that it only works on one of the two the front USB connections and not on one of the four at the rear! Then again Windows isn't supposed to be logical, I guess...
Normal miniusb cable works perfectly for either charging and syncing.
I even had a 7m usb cable (5m and a 2m usb extending cable), worked perfectly for either charging and syncing (I need my phone to be next to my bed, and my PC is like a few meters away from my bed).
Seriously don't know how your HD refuses to work with a cable other than the stock HD USB cable.
Hi,
are you using a custom ROM?
i used all sorts of cables, whatever happens to be lying around, infact i never use the stock one, as this is plugged it at a very inaccesable wall socket for mains charging!
generally my cables go through a hub, and then a 1m extension.
the reason i ask about the ROM is that i have flashed loads of different ROMS, and all worked fine, except one ROM (think it was topix 2.6), where it would only connect for a brief moment before auto-disconnecting. i suspect it was a 'bad flash' as they say, and so if you are using a custom ROM would suggest a re-flash. if not, you could consider a hard reset, or trying a different ROM (perhaps if it the stock ROM it has a 'bad flash' at the factory)
Tom
This thread has been hijacked (I never asked about regular mini USB versus the proprietary HTC version), but if you're asking me, I'm using the latest official HTC version (Norwegian).
mine is not picky at all...
Thank god, I checked with a mini usb that came with my external HDD and it worked perfectly...
I tried 3 other cables and none of them work apart from to charge.
I'll see if it's an issue with using my hub.
barryfell said:
I tried 3 other cables and none of them work apart from to charge.
I'll see if it's an issue with using my hub.
Click to expand...
Click to collapse
Have you tried updating usb drivers?
Fallen Spartan said:
Have you tried updating usb drivers?
Click to expand...
Click to collapse
No i'll try that when I get home.
Thanks
I have this issue with a specific cable on vista64, the phone only charges, but if I connect it to a Ubuntu box, I can sync, share network etc.
I think M$ is the issue in that case.

generic micro usb cable only charges

bought generic micro usb cables from amazon and when i try to use as data transfer from computer running windows 7 it says device drivers not installed correctly but when i use original it works fine... i have tried 3 of the five i bought and they are all the same are the cables faulty or did samsung change their cable? anyone else having this problem?
i am running antoniomistrerrA note xxkka rom with 2.6.35.14-fm-gbda6637 kernal... thanks for the rtesponse
Throw the cables and buy new one. Some of the USB cables are not proper wired and wires are in bad quality.
Sent from my GT-N7000 using xda premium
Well that has happened for me, but since yesterday im not being able to transfer data even with de original usb cable. has this happened to anyone else?
There are some cables that are charge only. Can you post a link.
GALAXY NOTE
I'm using the original cable that came with the note but somehow only charges! it doesn't even do that usb sound when plugged, tried restarting the phone and KIES doesn't detect it either..
This is happening after yesterday the phone started saying it was having a charging/unplug LOOP (constantly vibrating) even with the cable off. this was fixed removing the battery :/
Edit 1#
i am also being unable to plug the phone via mass storage usb, it asks me to plug the usb cable and then nothing..
Edit 2#
So i confirm it's now fixed, i tried to unplug again the battery and also cleaned the usb connector of the phone with a toothbrush.. one of those fixed the problem. now I'm just crossing fingers it won't happen again :/

[Q] I cant connect ny hd2 on my computer

Hi im new here
I got my hd2 when it first came out running winmo 6.5 now i just cant connect it to the computer tried more than 1 computer and more than one cable when i connect it only charges i receive nothing on the computer like i used to before i have tried everything in the setting usb to pc still same thing
please help me how can i connect it
and i also tried hard resetting it more than once same thing
under settings tab -----other , there will be a usb to pc button
I bet you have tried all setting changes so since you have done a hard reset and it still doesnt work, it has to be your micro USB cable. I had the exact same problem as yours and i feared that it was the micro USB port that was faulty. But then i tried a different micro USB cable and it works perfectly. Hence, it is likely to be your cable. Im not bad mouthing HTC because of the amazing work they have done, but their accesories seem to be a bit down on quality. My original micro USB cable is now frayed and almost severed, my Touch HD micro USB is also frayed and the original earpiece is now experiencing audio balance issues.
the thing is the cable that comes with the hd2 i lost it but when i was using it i could connect
but now im using nexus one cable and Nokia n900 cable to connect to the computer and it just charges like i said nothing appears
Have you tired different ports in your computer or tried reinstalling the drivers? To do that, uninstall the Activesync or Windows Mobile Device Center in your PC and reinstall it. Then try. If you still cannot connect your HD2 to the PC for USB mode, then im afraid the micro USB port in your HD2 is faulty. Try the above. Meanwhile, use the SD card method for flashing or transfer files using wi-fi or bluetooth.
Good Luck
If your HD2's USB port doesn't work you can connect to ActiveSync via bluetooth. I do that very often for a quick synchronization, and since HD2 has an Activesync profile it's easy to configure...
Anyway, check that "accept USB connections" option is selected in your pc ActiveSync configuration.
Most probably, he's facing the da** usb port breaking issue.
kawshigan said:
Have you tired different ports in your computer or tried reinstalling the drivers? To do that, uninstall the Activesync or Windows Mobile Device Center in your PC and reinstall it. Then try. If you still cannot connect your HD2 to the PC for USB mode, then im afraid the micro USB port in your HD2 is faulty. Try the above. Meanwhile, use the SD card method for flashing or transfer files using wi-fi or bluetooth.
Good Luck
Click to expand...
Click to collapse
from where can i download windows mobile device after uninstalling it?
You will find it here.
Thanks for everyone who hellped it turned out nothing was wrong with my hd2 cause i tried connecting my cousins hd2 using the cable i use it didnt work
turned out i must connect the original hd2 cable

Please help! Note 3 wont stay connected to comp via usb!!!

Hi guys, I have this really weird issue occurring. I have my note 3 connected to my computer via usb, but it does not stay connected. My computer keeps making a noise of new device connected, then disconnected. The phone connects, few secs later, disconnects. I have tried 3 different usb, 1 is the original,, different usb ports. It cant be the cable tho, cause it charges fine, and i wiggled it while charging. I let the drivers install when i first plugged the n3 in, so those should be good.
Any idea? could it be a ROM issue? Really need it to work, since I use tethering (
thrgk said:
Hi guys, I have this really weird issue occurring. I have my note 3 connected to my computer via usb, but it does not stay connected. My computer keeps making a noise of new device connected, then disconnected. The phone connects, few secs later, disconnects. I have tried 3 different usb, 1 is the original,, different usb ports. It cant be the cable tho, cause it charges fine, and i wiggled it while charging. I let the drivers install when i first plugged the n3 in, so those should be good.
Any idea? could it be a ROM issue? Really need it to work, since I use tethering (
Click to expand...
Click to collapse
What rom are you using? And have you tried reinstalling drivers from samsung? http://www.theandroidsoul.com/galaxy-note-3-drivers-installation-guide/ and have you tried just using the micro USB cable (not the USB 3.0)
biggins 4.5, yea i tried those drivers, didnt try usb2.0 yet.
Its literally sitting here connecting, then disconnecting on and on, i have no idea, not even moving it
thrgk said:
biggins 4.5, yea i tried those drivers, didnt try usb2.0 yet.
Its literally sitting here connecting, then disconnecting on and on, i have no idea, not even moving it
Click to expand...
Click to collapse
It could be the data pins in the cable/phone, the power pins would still let it charge even though there's still supposed to be energy going through the data pins when charging. And have you selected a different option when plugging it into the computer (from installer, media device, to camera) from the options that note 3 provides? (click the icon in the status bar when you plug it in)
yea i tried camera, its on installer by default i think and i tried mtp also, usb3.0 said it required airplane mod so i didnt try that. How could i check the pins>
thrgk said:
yea i tried camera, its on installer by default i think and i tried mtp also, usb3.0 said it required airplane mod so i didnt try that. How could i check the pins>
Click to expand...
Click to collapse
Well it you look at the port and they're not bent or snapped then it isn't the pins. What about USB 2.0?
Will try 2.0 tomorrow, here is a pic of the pins, if you zoom in do they look ok?
http://i58.tinypic.com/r882o3.jpg
What OS is your computer running? There are some USB issues with windows 8.1. I was having the same problem at times but there was a fix in optional updates that have seemed to clear things up for now. I think it's the download numbered...2914219. I'm not completely sure as I did a few weeks ago.
Just for the record, I have had trouble with certain cables in the past. Sometimes computer didn't like a long cable.
Pins are absolutely fine, only reason I even mentioned those was because one time a little kid plugged my streak 7 cord in upside down and jacked the female port to crap. And as TheAfroSamurai mentioned it might be your computer, I had trouble with a long cable with my kin 2. Different cable fixed it for me.
Sent from my GalaxyAwesome

USB-C cable works only on one side Mi 9T Global Version

When my Mi 9T arrived, I upgraded to the latest version, Miui 10.3.11 ... Since then the USB cable only works on one side, even being type C. Has anyone had this problem?
Have you tried other cables?
I have 3 or 4 and an USB OTG adapter and all of them work perfectly.
Schnedi said:
Have you tried other cables?
I have 3 or 4 and an USB OTG adapter and all of them work perfectly.
Click to expand...
Click to collapse
Yes I tried, but still the same problem.
EduardoHFB said:
Yes I tried, but still the same problem.
Click to expand...
Click to collapse
Then it's a defective unit. In the test menu you test the cable on both sides. If it only works on one side, its a failed test and the phone is defective. Hopefully you have warranty or bought the phone recently and you can return it
Aserar said:
Then it's a defective unit. In the test menu you test the cable on both sides. If it only works on one side, its a failed test and the phone is defective. Hopefully you have warranty or bought the phone recently and you can return it
Click to expand...
Click to collapse
Could this be a bug from the current version of Miui?
I'm thinking of using a custom rom for testing.
EduardoHFB said:
Could this be a bug from the current version of Miui?
I'm thinking of using a custom rom for testing.
Click to expand...
Click to collapse
I doubt it. Are you trying the USB cable with power charging or data connection? If the problem is with data connection then yeah it might be a software issue but if the phone won't even charge then it has to be a faulty connection because most phones, if not all, are designed to charge even when the phone is broken or has no OS
Aserar said:
I doubt it. Are you trying the USB cable with power charging or data connection? If the problem is with data connection then yeah it might be a software issue but if the phone won't even charge then it has to be a faulty connection because most phones, if not all, are designed to charge even when the phone is broken or has no OS
Click to expand...
Click to collapse
When I connect it to the computer, it works. Just does not charge. For data transfer works normal both sides.
EduardoHFB said:
When I connect it to the computer, it works. Just does not charge. For data transfer works normal both sides.
Click to expand...
Click to collapse
Don't worry yourself if it charges on PC or not cause there are a lot of variables there. If it charges on both sides when connected to the charger, and gets recognized on both sides when connected to PC, then nothing wrong with the device. Other than that it's a hardware issue
I'm having a weird peoblem. My 9t only connects through USB C to USB C. Don't prompt on USB A to USB C.
pinkman-farhan said:
I'm having a weird peoblem. My 9t only connects through USB C to USB C. Don't prompt on USB A to USB C.
Click to expand...
Click to collapse
Try another C to A cable

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