Dropped phone - trying to recover the data - Redmi K20 Pro / Xiaomi Mi 9T Pro Questions & Answe

Hi all,
Dropped my phone and the phone stopped responding. I tried replacing the screen but this made no difference.
Since the phone was just not turning on at all (no sort of response), I tried to replace the charging port after (after the drop, the sim card tray was damaged so thought the issue might be around here).
After I replaced the charging port, I managed to get the notfication light flashing (with a power source) and now it is solid.
When I connect it to my PC, I hear the notification sound when a device has been connected but unable to view any files or see it show in my PC.
I feel like I'm close to getting the phone working but not quite there yet. I am mainly interested in just recovering the data.
Any help would be much appreciated.

In this case, you need a screen, either on the phone itself, or an external one, and a mouse to navigate the options, if you manage to get the screen to work, enable USB debugging, run adb devices, if your phone shows up as a device (reference screenshot:
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), you can run adb pull /sdcard/ to copy all the files from it to your PC, but if it shows up as unauthorized (reference screenshot:
), you need to allow usb debugging on the phone, then run adb pull /sdcard/ to copy the data.
And remember for the sake of god NEVER use MTP if you're copying more than one small file at a time, as it is known to corrupt large files, or large quantities of files, if you do not want corruption use adb pull

Miki200_ said:
In this case, you need a screen, either on the phone itself, or an external one, and a mouse to navigate the options
Click to expand...
Click to collapse
Thank you for your reply - do you have any recommendations here? Specifically for xiaomi 9t pro? I read somewhere an MHL cable would not work

Dropped my phone and it stopped working. Replaced screen, still doesn't work. Replace charging port and notification light started blinking and turned solid though I don't see it anymore.
But the phone connects to the PC - I just can't access the phone. Using ADB I get a serial number followed by unrecgonised.
What can I use for this phone to get some sort of display, and something to control? Based in UK so any UK links would be appreciated.

plshelpmepls said:
Thank you for your reply - do you have any recommendations here? Specifically for xiaomi 9t pro? I read somewhere an MHL cable would not work
Click to expand...
Click to collapse
The cable you got with the phone should work for this.

plshelpmepls said:
Dropped my phone and it stopped working. Replaced screen, still doesn't work. Replace charging port and notification light started blinking and turned solid though I don't see it anymore.
But the phone connects to the PC - I just can't access the phone. Using ADB I get a serial number followed by unrecgonised.
What can I use for this phone to get some sort of display, and something to control? Based in UK so any UK links would be appreciated.
Click to expand...
Click to collapse
Well, unrecognized means ADB does not even know what type of device is that, that's not good.
Any dock for a macbook using USB-C should work, as for proper stuff:
https://www.amazon.co.uk/UGREEN-Multiport-Adapter-Ethernet-Compatible-Grey
https://www.amazon.co.uk/UGREEN-Aluminium-Delivery-Charging-Compatible-Space-Grey
These two should also work with it.

Miki200_ said:
Well, unrecognized means ADB does not even know what type of device is that, that's not good.
Any dock for a macbook using USB-C should work, as for proper stuff:
https://www.amazon.co.uk/UGREEN-Multiport-Adapter-Ethernet-Compatible-Grey
https://www.amazon.co.uk/UGREEN-Aluminium-Delivery-Charging-Compatible-Space-Grey
These two should also work with it.
Click to expand...
Click to collapse
Sorry, not sure why I said unrecognised - I get unauthorised like you mentioned before. Will try these options, thank you.

Miki200_ said:
Well, unrecognized means ADB does not even know what type of device is that, that's not good.
Any dock for a macbook using USB-C should work, as for proper stuff:
https://www.amazon.co.uk/UGREEN-Multiport-Adapter-Ethernet-Compatible-Grey
https://www.amazon.co.uk/UGREEN-Aluminium-Delivery-Charging-Compatible-Space-Grey
These two should also work with it.
Click to expand...
Click to collapse
Are you sure these work? I have another working 9T pro and cannot get any display. I'm using https://www.amazon.co.uk/gp/product/B07PPGWQ15/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

plshelpmepls said:
Are you sure these work? I have another working 9T pro and cannot get any display. I'm using https://www.amazon.co.uk/gp/product/B07PPGWQ15/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Click to expand...
Click to collapse
Well, there is no way to be sure if these will work, it's just a guess based on what standards the phone supports

plshelpmepls said:
Sorry, not sure why I said unrecognised - I get unauthorised like you mentioned before. Will try these options, thank you.
Click to expand...
Click to collapse
Ok, so, you somehow need to authorize the PC for USB Debugging

Related

[FIXED]Laptop USB mouse stopped working...

Okay, so this is my problem. I tried installing LG USB drivers on Sony Vaio NS230E running Windows 7 Ultimate to update my phone (some LG java phone) this seems to have started right after the installation, my USB mouse stopped working. Touchpad still works. I tried another mouse, same thing. Another USB port, same result. Rebooted, same thing. Uninstalled the new driver, nothing. I even restored the laptop to a point in 2 days ago but still it doesn't work!
I tried a USB flash disc on the device, works. Tried my phone (Nexus S) mount and reads. I had 2 mouses that the device already knew, when I connect them, the device says nothing, but the mouse light up. I tried connecting my wireless mouse to it, but on connection, it says USB device drivers not installed. Unrecognized device.
Please help, I really don't wanna 'wipe' and 'reflash' Windows...
UPDATE: The problem is fixed. I don't know why.
Ummmmm.....I'm no help, sorry.
Try opening the Device Manager and find any USB host controllers or any USB mouses or any USB devices listed that might have to do with a mouse or pointing device. right click on it, properties, and roll-back driver. You can also try updating the drivers. If that doesnt work just download the drivers from your laptop manufacturer's Website.
m1l4droid said:
Okay, so this is my problem. I tried installing LG USB drivers on Sony Vaio NS230E running Windows 7 Ultimate to update my phone (some LG java phone) this seems to have started right after the installation, my USB mouse stopped working. Touchpad still works. I tried another mouse, same thing. Another USB port, same result. Rebooted, same thing. Uninstalled the new driver, nothing. I even restored the laptop to a point in 2 days ago but still it doesn't work!
I tried a USB flash disc on the device, works. Tried my phone (Nexus S) mount and reads. I had 2 mouses that the device already knew, when I connect them, the device says nothing, but the mouse light up. I tried connecting my wireless mouse to it, but on connection, it says USB device drivers not installed. Unrecognized device.
Please help, I really don't wanna 'wipe' and 'reflash' Windows...
Click to expand...
Click to collapse
1 mouse, 2 mice ;-)
Did you download the drivers from the laptop maker's website?
Wait. Sorry. I had a mind block and was thinking you need USB port drivers lol.
Try connecting the mouse, go to windows update, and check custom updates. Or whatever its called.
m1l4droid said:
Okay, this got really weird. I inserted a Windows 7 disc and had the computer boot from disc. And in the Windows installation wizard, the USB mouse STILL DOESN'T WORK! I'm clueless. Could this be a hardware problem?
Click to expand...
Click to collapse
Yea. Sounds like a hardware problem. Does the mouse work on another computer?
THIS
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M_T_M said:
THIS
Click to expand...
Click to collapse
Actually that could be the problem. lol

[Q] USB not connecting via ROM, Recovery, Fastboot, Bootloader

SO basically a day ago my mac and pc both cannot recognize my Nexus 6 through USB. i tried using adb and fastboot but the phone itself is not able to make it self available to either computer. I know its on the Phone side of things b/c it does not connect on any computer. Ive used multiple usb cables and computers. As of rn i can live with it since my ROM is running fine and im not having any problems with my internal storage. But soon i wont be wont be able to live with it, it is a necessary feature for me to be able to drag and drop files from my computer to my Nexus 6. Any help would be greatly appreciated.
aaasey786 said:
SO basically a day ago my mac and pc both cannot recognize my Nexus 6 through USB. i tried using adb and fastboot but the phone itself is not able to make it self available to either computer. I know its on the Phone side of things b/c it does not connect on any computer. Ive used multiple usb cables and computers. As of rn i can live with it since my ROM is running fine and im not having any problems with my internal storage. But soon i wont be wont be able to live with it, it is a necessary feature for me to be able to drag and drop files from my computer to my Nexus 6. Any help would be greatly appreciated.
Click to expand...
Click to collapse
So boot into fastboot and connect it to your windows PC with a known working usb cable. What is the result of "fastboot devices"? Also does the device show up in device manager?
rootSU said:
So boot into fastboot and connect it to your windows PC with a known working usb cable. What is the result of "fastboot devices"? Also does the device show up in device manager?
Click to expand...
Click to collapse
in the bootloader it sais "Conect USB Data Cable"
and in CMD fastboot doesnt reply.
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Also the device does not show up in device manager
I dont know if this will help but when I click USB to computer connections no new screen loads up, also I messed with the partitions a little bit a couple weeks ago but I never had a problem until now
aaasey786 said:
Also the device does not show up in device manager
Click to expand...
Click to collapse
Well if you have ruled out cables, computers and USB ports, like it sounds that you have - it is most likely a USB port issue on your device (or something motherboard related.)
rootSU said:
Well if you have ruled out cables, computers and USB ports, like it sounds that you have - it is most likely a USB port issue on your device (or something motherboard related.)
Click to expand...
Click to collapse
Are ther any steps i can take to be 100% sure i cant fix this on my end
aaasey786 said:
Are ther any steps i can take to be 100% sure i cant fix this on my end
Click to expand...
Click to collapse
Check there is no obstruction on the port. Loose pins etc. But I would send it for repair to be honest.
rootSU said:
Check there is no obstruction on the port. Loose pins etc. But I would send it for repair to be honest.
Click to expand...
Click to collapse
Damn its such a hassle my screen cracked on my first nexus 6 s i just got this one 5 days ago
aaasey786 said:
Damn its such a hassle my screen cracked on my first nexus 6 s i just got this one 5 days ago
Click to expand...
Click to collapse
Well I got a new nexus and T-Mobile worked a good deal out,I just had to pay for shipping

USB OTG with the MI Mix

Hey all!
Just got the phone and I'm loving it so far.
Recently I tried to transfer files over to the MI mix using a otg cable and a USB 3.0 thumbdrive. The miui did not respond to the otg plug in. However the file management app `esfile` detects the otg (pop up to ask for permission to be the default app to handle the drive), but upon opening the app, the otg drive was not shown...
Tried the otg setup on a nexus 6p and it works without problem.
Any pointers? Thanks!
Edit: I'm on the EU ROM
Thank God someone else has noticed this, i have been unable to get this feature working, however the MiMix does recognise peripherals such as USB mice but haven't been able to get it to work with any USB external storage options, would appreciate some steer from senior members.
ruffnexx_uk said:
Thank God someone else has noticed this, i have been unable to get this feature working, however the MiMix does recognise peripherals such as USB mice but haven't been able to get it to work with any USB external storage options, would appreciate some steer from senior members.
Click to expand...
Click to collapse
Thanks for confirming the issue. May I know what ROM you are using? I think I jump straight to EU rom without ever testing the Chinese Stable ROM. I may flash it back just to see if it works.
cboonh said:
Thanks for confirming the issue. May I know what ROM you are using? I think I jump straight to EU rom without ever testing the Chinese Stable ROM. I may flash it back just to see if it works.
Click to expand...
Click to collapse
Im on the eu multi rom.....6.12.29 which at the moment seems to be relatively bug free
ruffnexx_uk said:
Thank God someone else has noticed this, i have been unable to get this feature working, however the MiMix does recognise peripherals such as USB mice but haven't been able to get it to work with any USB external storage options, would appreciate some steer from senior members.
Click to expand...
Click to collapse
Hi, I have the same problem, and I really need to copy files from my MIX to a USB drive for my clients. Any solution or workaround?
I am in the latest CH stable ROM, no unlocks or flashes. I've tried several USB drives ranging from 256MB to 32GB, all formatted with every available file system, but no result.
I would like to be able to utilize OTG as well, I'm on EPIC ROM 7.1.19 hope some one can figure it out.
I have used OTG Dtech with Mi Mix that is working fine, no problem.
I hadn't known there was an issue I was able to move data between the usb flash drive and the phone on mine.
okay, this is Xiaomi messing about and its so frustrating
I am one of the people using a non rooted phone with over the air updates
HOWEVER, I am part of the pre release group that gets roms early
Now, when I got my phone initially with Miui 6, USB otg didn't work
The pre release beta solved this, without issues, happy days
NOW THE WARNING
just upgraded to
Android 6.0.1 MXB48T
MIUI 8.7.3.9 Beta
Kernel 3.18.20-perf-g459b3d5-336479-gc53fe55
And they've killed it again
I am PRESUMING this is ( as I am fully aware, I am using Beta software ) that this is a bug
However, if this is on purpose, I am very frustrated with the reasoning ( or lack of it ) behind it
My previous pendrive was ExFat which is unsupported format for Es file explorer(as is pop up showing), once formatted it on Mix, now works on latest Epic rom 7.3.9.
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Still trying to get xiaomi to agree boot unlock before I get the epic rom
Hopeful though, it sounds far better
I found if the drive isn't fat32 you will need a 3rd party app to interact with the files [I use exFat/NTFS for total commander - as it works on non-rooted devices].
Has anyone used a USB ethernet adapter with the mi mix?
a_rocklobster said:
Has anyone used a USB ethernet adapter with the mi mix?
Click to expand...
Click to collapse
Trying to do IT work on an internal network or something? Other than that or try to break into a hard wired network I wouldn't see a reason to even try to use a usb network dongle. There are MUCH better devices to do the other two things with than ANY android device.
Nicolfa said:
Trying to do IT work on an internal network or something? Other than that or try to break into a hard wired network I wouldn't see a reason to even try to use a usb network dongle. There are MUCH better devices to do the other two things with than ANY android device.
Click to expand...
Click to collapse
Ha, yes I do IT work. I normally have so many cat5 cables around me it's better than wifi calling (most places don't have great wifi in their server closets) or att service for that matter
I used to use hangouts dialer to make calls over the network, never had reception issues with that method
What much better devices were you talking about? I'm curious now
For mobile IT I got a Viliv N5 a long time ago, loaded Debian on it [got everything working properly after awhile of fiddling] and now use it as my mobile trouble shooter [Kit of extra's in a bag with it].
http://www.umpcportal.com/2010/07/viliv-n5-umpc-full-review/
I have the verbatim USB SD card adapter, and a 128gb Samsung Microsd card.
I can open and read files in the Microsd card using the mix. However, when I try to transfer files using Explorer copy and paste in USB, transfer progress gets to 80-100%, then the UsB status goes to ejecting and checking for errors.
I have enabled developer options and install via USB. I have also enabled documents under installed apps.
I'm using official global stable rom and locked bootloader.
Any help would be greatly appreciated!!!!
I am assuming my USB external DAC issue falls along with this bug.
My Google Pixel works fine with any USB OTG device (DAC/USB Stick/ etc...)
But the Mix will not detect it even if I go into the developer settings and change the options like Xiaomi themselves recommend doing! This is so frustrating.
I got USB OTG to work with another adapter (Meenova). In my case my issue was adapter hardware related.........hope this information may help!
Hi there!
Well i cannot make otg wotk on my mix any way. I've just the one adapter and I do not know which type is it but I use it on my Nexus 5 no problem with a Sandisk Ultra USB 3.0 32gb stick... I've tried with all apps you mentioned in this thread and some more... It is not detected on twrp either.
Any ideas?
Thanks!

Disable Allow Access to Phone Data

Is there a way to disable this or permanently allow access? I have no idea why but after my last factory reset it didn't pop up so I know it's possible.
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Anyone?
Is it actually connected to a PC when these "normal" pop ups occur?
If not, I suspect a dirty USB Type-C port.
Any luck? I also want these prompts to remain hidden. I dont need to be notifed about this every time I connect my device to my vehicle to charge.
For me when I do "Cancel Autorisation for Debug USB" in Developper Settings, there is an additional Pop up that appear, saying to Remeber the answer for this PC, and always an option to tick to remeber for this PC, and some serial number related to my PC appear.
Of course I select all those, and always for this PC, it is supposed to remember my answer, but it doesnt! everytime I need to connect to my PC need to allow that ****!!
On my S7e I need to allows & remember answer for this PC aand it works like a charm, it never pop up again and connection between Phone and PC is working as should.
I read around that Root should be present for some kind of Auto Allow, but could not find any modules or anything...
If someone know how to accomplish that with Root, thx in advance.
saoudien07 said:
For me when I do "Cancel Autorisation for Debug USB" in Developper Settings, there is an additional Pop up that appear, saying to Remeber the answer for this PC, and always an option to tick to remeber for this PC, and some serial number related to my PC appear.
Of course I select all those, and always for this PC, it is supposed to remember my answer, but it doesnt! everytime I need to connect to my PC need to allow that ****!!
On my S7e I need to allows & remember answer for this PC aand it works like a charm, it never pop up again and connection between Phone and PC is working as should.
I read around that Root should be present for some kind of Auto Allow, but could not find any modules or anything...
If someone know how to accomplish that with Root, thx in advance.
Click to expand...
Click to collapse
Can you try disabling com.sec.usbsettings with ADB? I believe that app is what controls the pop up, but it might break other things. Honestly this was a huge f up by samsung. What were they thinking? Why would we want a pop up message every time we plug our phone into our vehicle to charge it or to use android auto?
tworla said:
Can you try disabling com.sec.usbsettings with ADB? I believe that app is what controls the pop up, but it might break other things. Honestly this was a huge f up by samsung. What were they thinking? Why would we want a pop up message every time we plug our phone into our vehicle to charge it or to use android auto?
Click to expand...
Click to collapse
unfortunaly I tried looking for "com.sec.usbsettings" to disable it with ADB, but not avalable on my phone.
I had hope with Firefds Kits Module & Xposed, but dont seems to be working, that was the kind of solution I was looking for. Sure should some kind of trick like that around.
I have this issue too. Honestly the only solution seems to be to not plug your device into any kind of computer to charge. If the issue is happening when you plug your device into your vehicle to use android auto, then you would have to use wireless android auto and set your USB behavior to disable file transfer which will prevent it from attempting to connect to the head unit computer which causes the stupid message. Kind of a dumb design oversight to have to prompt the user with no way to turn it off but what did you expect? These are the same people who came up with all this other forced system bloatware like device care.

Question S21 Ultra can't connect to PC via USB. Please help

Hello, i can't transfer files from my S21 Ultra to my PC via USB cable. Samsung's cable is USB-C/USB-C but i don't have usb-c slot on my PC so i tried 3 different USB-C/USB-A cables (from Huawei and Xiaomi). At first the phone was connecting and disconnecting ever 2 seconds. I tried different slots on my pc, installed USD drivers for samsung that i downloaded from https://developer.samsung.com/android-usb-driver and tried some tricks from YouTube videos but nothing solved the problem. It's even worse now, PC doesn't even recognize the phone and only charges it without getting a prompt on the phone to chose "only charge or transfer files/photos etc". On device manager i got this:
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Can you try a different computer? That is easiest way to troubleshoot. Maybe a friend's laptop? You already seem to have done the first correct step of trying different cables.
Another culprit is lint lodged in the USB-C port of the phone. You can pick it out with a toothpick or similar. The lint prevents the cable from properly and fully lodging into the port, no matter how many different cables you try.
If neither of these approaches fixes things, then perhaps you need to consider that you might have a broken USB port.
KingFatty said:
Can you try a different computer? That is easiest way to troubleshoot. Maybe a friend's laptop? You already seem to have done the first correct step of trying different cables.
Another culprit is lint lodged in the USB-C port of the phone. You can pick it out with a toothpick or similar. The lint prevents the cable from properly and fully lodging into the port, no matter how many different cables you try.
If neither of these approaches fixes things, then perhaps you need to consider that you might have a broken USB port.
Click to expand...
Click to collapse
I tried connecting the phone to couple more PCs but same result....Then tried the same thing with a friend's Samsung S20 and it worked. I guess my S21 Ultra wants a original cable or change something in the settings, dont know....
Do you download the samsung usb drivers?
valderdark said:
Do you download the samsung usb drivers?
Click to expand...
Click to collapse
yes i did. and the PC is eather not recocnizing the phone at all or it's losing connection evey 2 seconds.
infamas said:
yes i did. and the PC is eather not recocnizing the phone at all or it's losing connection evey 2 seconds.
Click to expand...
Click to collapse
Do you have the original samsung cable?
or use other like Anker or Belkin cables they are the best
valderdark said:
Do you have the original samsung cable?
or use other like Anker or Belkin cables they are the best
Click to expand...
Click to collapse
I have samsung cable but it is USB-C on both sides. I don't have an USB-C port on my PC so I'm using xiaomi and huawei cables.
Another culprit is lint lodged in the USB-C port of the phone. You can pick it out with a toothpick or similar. The lint prevents the cable from properly and fully lodging into the port, no matter how many different cables you try.
KingFatty said:
Another culprit is lint lodged in the USB-C port of the phone. You can pick it out with a toothpick or similar. The lint prevents the cable from properly and fully lodging into the port, no matter how many different cables you try.
Click to expand...
Click to collapse
It's clean I think. Tried to clean with a toothpick but nothing came out
Had the same issue some time back.
Was able to get mine working with fastboot & adb alongside an older 2019 Samsung driver.
Also after you installed that, go and uninstall all the devices under the "Universal Serial Buss Controller" and reboot your pc.
FdeKlerk said:
Had the same issue some time back.
Was able to get mine working with fastboot & adb alongside an older 2019 Samsung driver.
Also after you installed that, go and uninstall all the devices under the "Universal Serial Buss Controller" and reboot your pc.
Click to expand...
Click to collapse
So 1st I have to uninstall all USB devices, then install old samsung drivers? Do I have to do anything else? Should I mess with fastboot and adb?
BTW can u link me those old drivers?
infamas said:
So 1st I have to uninstall all USB devices, then install old samsung drivers? Do I have to do anything else? Should I mess with fastboot and adb?
BTW can u link me those old drivers?
Click to expand...
Click to collapse
Hi.
Fist install this.
https://www.mediafire.com/file/yn6x5n5x556nesa/Samsung-Usb-Driver-v1.5.33.0.exe/file
Then uninstall the devices.
FdeKlerk said:
Hi.
Fist install this.
https://www.mediafire.com/file/yn6x5n5x556nesa/Samsung-Usb-Driver-v1.5.33.0.exe/file
Then uninstall the devices.
Click to expand...
Click to collapse
Then after this and the device usb is connected, update the samsung driver.
FdeKlerk said:
Then after this and the device usb is connected, update the samsung driver.
Click to expand...
Click to collapse
Now i get this message on my phone "Allow access to phone data?" every second (it dissapears and comes back). I guess it connects and loses connection every second. On my PC device manager looks like this:
infamas said:
Now i get this message on my phone "Allow access to phone data?" every second (it dissapears and comes back). I guess it connects and loses connection every second. On my PC device manager looks like this:View attachment 5845755
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This is either bad cable or bad usb port.
Also remove the "SUMSUNG_Android" in other devices.
Now that the pc can recognise the device means drivers are working.

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