Xiaomi redmi 4 not connect to pc - Xiaomi Redmi 4a Questions & Answers

Hello,
First of all send a greeting to everyone since I am new to the forum.
I explain the problem to see if someone can help me.
I have a xiaomi redmi 4 ( sorry if my phone is not the 4a, but I cant find that model in the menu) with "fake" rom from the Chinese store. I know because the version ends in 0.0.
The problem is that when you connect the phone to the PC it does not do anything, it just charge (previously it worked well and the pc recognized it, also going out in the curtain the options to select load, mtp, etc.
I have tried several things and nothing works.
Probe activating usb debuging, with the app usb settings (which seems to open those options but quickly closes and the screen goes blank) and more different things but nothing worked, still only charging.
In the device manager it does not appear, neither as a connected device or as a connected device but without the drivers (I have the drivers well because before it worked correctly).
It all started when the battery stopped charging correctly, the battery charged very slowly. With the ampere app you can see that the charhe was very weak, no more than 100mah. Clean the usb port, probe with other cables and chargers, other pc but nothing to charge faster as usual.
Then I decided to restore the phone to factory but continued the same, charging very slow.
Later I decided to put a global rom using miflash with mode edl ( the bootloader is closed), but the phone never entered in that mode. Use the technique of power + vol + and vol- and I got it right. In the device manager I recognized it correctly (with the correct name that usually say in the guides for this type of operations), but miflash told me it was not connected.
Also use the adb commands (also recognized the mobile without problems, leaving the id of the device, but when using the abd reboot command, but the phone do not entering in edl mode, the phone restarted normarlly, even with some .bat that does the same thing also restarts in normal mode instead of edl.
For all of this operations the pc always detect the phone correctly, only the charge was extremely slow.
My surprise came when a few days ago I tried to remove the fake rom of the Chinese store and put the global, but the pc (mine and others more than probe) did not detect the phone, just charged me.
I think the problem is not physical, because if I plug in a mouse by otg, it works correctly, which makes me think that the data pins are going correctly.
I hope I have given all the detail that is needed in case someone can help me. If not, please tell me what else I can contribute.
Many thanks in advance to those who can help and greetings.
PD: sorry for my english

If in other computers don´t work, probably its the port that is damaged and you should replace it. You can find some in aliexpress..

Related

[Q] Captivate Won't Charge But Will Recognize PC Connection

Edit: It looks like this is a hardware issue and I'll likely try to get it replaced via insurance since I cannot revert to stock using Odin. It is impossible to revert without using Odin right? Thanks to all who read!
To start, I just want to state that I've searched and searched for answers/information on this (not just on XDA forums either) and I haven't found a similar issue - my sincere apologies if I missed it.
Quick "this post is way too long to read" Summary:
1. Phone will not charge
2. Phone will recognize PC connection via USB but with no functionality
3. PC will not recognize phone
4. All details on what I've done so far below
Friday 3/4/11 - I used a USB car charger (link below) to charge my Captivate with a USB cable known to be working (had worked on my Captivate before, works on my brother's Captivate). If you're asking why I used that charger... well I got it for free with my E-71. I'll never use it again. Anyway later that night I tried to charge my phone on my official AT&T A/C charger but nothing happened - the phone acted like no USB was inserted.
newegg[dot]com/Product/Product.aspx?Item=N82E16882923001
Sorry for the bootleg link, this certainly isn't spam but I'm not allowed to post links yet.
Since that date, my Captivate won't charge via AC power cord. My PC won't recognize it either, but here's the weird part - my phone recognizes when it's connected to the PC via USB. For example, I can connect the phone to the PC and it will state "USB connected" on the Android pull-down (top) menu. Since I have mass storage chosen as the default, it will give me the option to send or receive files from the PC from the same menu. However, if I attempt to actually take that option, the pop-up menu which allows you to mount your memory cards does not come up. In addition, if I have the phone in USB debugging mode and I connect to my PC, the phone recognizes that as well. The PC does not recognize the phone in any capacity, at any time. No matter what I've done so far it will not charge via A/C.
Background: I've had my phone for a little over 6 months now, I've been running Cognition 2.1.6 since about 3 weeks after I got it - before this problem I haven't done any modifications whatsoever since the first load of Cognition. My PC is Windows 7 Ultimate 64. To rule out a bunch of other things, I've tried to use multiple USB cords that are known to work with a different Captivate and my Captivate prior to this problem (3 to be exact), I've uninstalled and reinstalled all Samsung's drivers on Windows, and I actually reinstalled Cognition using the three button recovery mode. To further rule out external problems, I just put Serendipity on my brother's Captivate using the same USB cord and PC that I'm attempting to use with my phone. He had been using the exact same version of Cognition I was.
I of course tried to revert the phone to stock using ODIN in order to fix the problem. I attempted to use the two button method (hold volume keys and insert data cable from PC with Odin running) but of course since the USB is not working properly that didn't work. It's worth noting that the described method worked perfectly for my brother's Captivate to revert to stock in preparation for installing Serendipity. I attempted to manually unmount and remount my memory cards several times, change USB modes between mass storage, Kies, modem, etc - nothing seems to work. The phone seems to be completely normal except for this USB issue. One last thing that's strange is if the phone is powered off and I have the USB A/C charger plugged into it, I cannot turn it on. When I hold the power button a relatively small spinning circle comes up after a second or two near the top of the screen. It disappears when I release power. If I remove the USB cable and hit power again it powers up completely normally.
Because of all of the above, I'm 99% certain that the issue is with my phone (not from any other external source). My only uncertainty is whether this is a USB hardware issue or a software issue where the phone is trapped in some sort of limbo due to being in a quasi-data mode which is causing it not to charge via A/C power and causing the PC not to recognize it. Has anyone had an issue remotely like this? I've come to terms with the sinking feeling that this is a hardware issue and that the only option I'm going to have is for my phone to be accidentally run over by a car (in order to pay my $125 and get a "new" phone under AT&T insurance). If anyone has any suggestions I'll be more than happy to try, maybe we can get this thing fixed!
If you made it this far I'll just say thanks for reading my wall of text and thanks in advance for any advice you have.
Were you able to get this issue resolved? It just started happening to my Captivate earlier today, and I was hoping that a solution had been found.
I haven't been able to get it resolved, I actually just sort of gave up on it and went back to my old phone for now. I have insurance so I'm not totally screwed, but it's not that cool obviously.
Were you able to get anything resolved on your end? If so I'd love to hear how. The one good solution would be a package to restore to stock that you could run through update.zip on a memory card, that isn't available yet is it?
i have this issue as well. I flashed Cognition 4.4 and it ran just fine for a couple weeks and then it began not even recognizing the micro plugged into any power source or the samsung dock! debugging on or off, battery saver apps removed, all that. multiple reboots. nothing. it takes a spell of, if i'm lucky, recognizing it after i eff with it for a few minutes and flukes a decent charge but at night, it usually has a loop cycle charging effect. I can hear the "boop beep" charger plugged in sound over and over throughout the night.
i use the phone in my cars and everywhere with the same problem.
no resolution! HELP!!!
I came across the same problem with USB on ARMANI I9010 after installing Cognition5. The most unpleasant is that i have bought it abroad and there is no possibility to return it
Does any body found the solution?

Connect TF701 to PC

Hello,
I unlocked my device by using ASUS unlock tool. Everything went well. I also can see the message "Device is unlocked".
Then I tried to connect my tablet with my computer to install TWRP and further a cutom rom, but this is not possible. If I connect my tablet with my PC nothing is happening at all, means tablet is not recognized at all. I'm using Windows 10. Anyway, my mobile phone is recognized. I already tried to set it back to factory settings, flashed the latest Asus ROM, but nothing helped.
The other curios issue is that the tablet is not able to recognize that the battery is charged. LED is lightning and battery is charged, but tablet says power adapter is not connected.
Any idea? Could it be the cable? I already tried to connect the table over the dock, but same behavior. Dock LED is lightning as well.
I'm really frustrated. Hope anybody can help. I really need to establish the connection to my PC to go ahead.
5.11.15 - Update:
I realized that it seems to be an issue with USB. As mentioned above USB to tablet is not working (no PC can recognize it). If I connect the keyboard no USB device will be found. Charging the tablet is also not working, except I connect the power adapter and cable directly. Any idea?
Thank you.
Hi, I am having the exact same issue with my TF701. Were you able to resolve yours?
Duchman said:
Hi, I am having the exact same issue with my TF701. Were you able to resolve yours?
Click to expand...
Click to collapse
Duchman or Dutchman? I'm having again exactly the same symptoms. Tried 3 different USB cables too. Dit yóú manage to get this sorted? I know it was 4 years ago but my TF701T is still working properly, for the most part.
FireStorm75 said:
The other curios issue is that the tablet is not able to recognize that the battery is charged. LED is lightning and battery is charged, but tablet says power adapter is not connected.
Click to expand...
Click to collapse
That is exactly the same behavior. Best for now is to charge with the device powered down. I'm about to open up mine to doublecheck if the USB connector is seated properly.
Weird thing is that the keyboard also fully works which should not be possible if the USB port on the tablet was malfunctioning right?
I'm having a lot of apps not displaying anything anymore so was going for the KisKatt rom to see if that fixes the lot. Also I see after some time some apps keeping the device awake all the time so battery is always drained when tablet is closed.
sebastiaanmeloen said:
Duchman or Dutchman? I'm having again exactly the same symptoms. Tried 3 different USB cables too. Dit yóú manage to get this sorted? I know it was 4 years ago but my TF701T is still working properly, for the most part.
Click to expand...
Click to collapse
My TF701T is sitting disassembled in one of my drawers after an unfinished screen replacement attempt. I did manage to install TWRP on it, however, I don't remember what I did exactly to accomplish that.
I might have used one of those shady rooting apps that I'm not sure if I'm allowed to mention here. Then I probably flashed the TWRP with Flashify. Basically, circumvented having to connect the device to a computer up to the point where I had a working recovery on it.
Don't ask me for the exact steps because I wouldn't be able to remember anyway. I'll lay out a basic plan of action:
1) Find an app that lets you root your device without connecting it to a computer. Be warned, those more often than not come bundled with malware, so exercise caution. I'd back up all the important files and information and do a factory reset before attempting this if I were you.
2) Install Flashify, grant root access, download TWRP zip on your tablet, flash. Do some research on how Flashify works and how to use it before you attempt this.
Good luck, and if anything comes out of this, be sure to come back here and report on what you did in case some other poor soul wants to install a custom recovery on their 7 year old tablet without using a USB cable.
I just had mine crap out for some reason and needed to reformat everything and re-install. Connecting the USB to my PC, the PC makes the connected sound but no drive or anything showed up. I couldn't be bothered to figure out why so I just used adb to put the files on the tablet.
adb push yourfile /sdcard

Please Help Note 4

Hello everyone,
My wifes not 4 recently went to crap and will not connect to the pc in order to ODIN back to stock.. ive tried everything that I know including Samsung drivers reinstalled.. Uninstaller drivers in device manager and reply the phone in. It will not connect. . The computer makes a noise when you plug it in as it normall would, but comes up with an error on screen saying "device has malfunctioned , could not connect please Disconnect and reconnect the device if the problem persists there might be a problem with the device. "
Any advice would sincerely be appreciated, please help..
Sincerely VeRiFiEdSuB
verifiedsub said:
Hello everyone,
My wifes not 4 recently went to crap and will not connect to the pc in order to ODIN back to stock.. ive tried everything that I know including Samsung drivers reinstalled.. Uninstaller drivers in device manager and reply the phone in. It will not connect. . The computer makes a noise when you plug it in as it normall would, but comes up with an error on screen saying "device has malfunctioned , could not connect please Disconnect and reconnect the device if the problem persists there might be a problem with the device. "
Any advice would sincerely be appreciated, please help..
Sincerely VeRiFiEdSuB
Click to expand...
Click to collapse
MTP mode vs camera mode?
Does kies recognize it?
Also as strange as it sounds, you may toggle developer options and usb debugging on and off. I did this on a family members ASUS tablet that displayed the same issue and then the PC recognized it. I was just trying everything I could think of.
Edit: I just realized you said Odin and not just connecting as a normally powered on device. Do you have it in download mode when connecting to the PC with Odin running?
nine5raptor said:
MTP mode vs camera mode?
Does kies recognize it?
Also as strange as it sounds, you may toggle developer options and usb debugging on and off. I did this on a family members ASUS tablet that displayed the same issue and then the PC recognized it. I was just trying everything I could think of.
Edit: I just realized you said Odin and not just connecting as a normally powered on device. Do you have it in download mode when connecting to the PC with Odin running?
Click to expand...
Click to collapse
unfortunately i cannot get the phone to bootup as to get into the hidden menu and turn on the MTP that way and yes if i am trying to connect to the phone to use odin i am in download mode when i try to connect.. the phone does not want to connect to the computer no matter what i do ive finally managed to get it to download mode and now am going to try and flash a different custom rom in the hopes it will boot up.. if it will do that i ill try and get mobile odin.. but even that hasnt been working. when i install a new rom and click on reboot the phone just shuts off. the phone wont turn back on after that unless i leave the battery out for several minutes then put the battery back in and press the power button. upon doing that the phone instantly boots to recovery.
This happened to me.
I even replaced the USB Port (Then dropped the phone while it didn't have the frame on and cracked the LCD)
The phone's USB port still didn't work and I had to replace the phone.
it is a very, very odd bug with this phone that multiple people have been experiencing but no one knows the cause of it.
It may just be faulty phone. Several people recently have had this bug.
my phone was made in Korea, Region: USA-Revision Q8R2.
N910T (UD)
So. Sadly, the only way as of right now to fix this is to get a new phone.
I tried a lot of things with my phone before I broke it to attempt to fix the USB port.
And the issue also lead to slow charging (220mA) and when I plugged it into the wall it would say USB Charger not AC Connected
Are you using the oem cord that came with the phone. I've experienced issues using non oem cords.
Yes sir I've tried multiple OEM and non OEM cords still won't recognize the phone
Sent from my SM-N910W8 using XDA-Developers mobile app
Did you try ask the different USB outlets? Did you try a different computer? For me USB 2 works, but not 3. Also I've had trouble with those on the front of the case. I always use the ones on the back. Just throwing a few things out there. It's possible you have a bad USB port on the device.
Sent from my SM-T810 using Tapatalk

xiaomi red mi 4 cant connect to the pc

Hello,
First of all send a greeting to everyone since I am new to the forum.
I explain the problem to see if someone can help me.
I have a xiaomi redmi 4 (sorry if this is not thr prime, but I cant see the device in the list) with "fake" rom from the Chinese store. I know because the version ends in 0.0.
The problem is that when you connect the phone to the PC it does not do anything, it just charge (previously it worked well and the pc recognized it, also going out in the curtain the options to select load, mtp, etc.
I have tried several things and nothing works.
Probe activating usb debuging, with the app usb settings (which seems to open those options but quickly closes and the screen goes blank) and more different things but nothing worked, still only charging.
In the device manager it does not appear, neither as a connected device or as a connected device but without the drivers (I have the drivers well because before it worked correctly).
It all started when the battery stopped charging correctly, the battery charged very slowly. With the ampere app you can see that the charhe was very weak, no more than 100mah. Clean the usb port, probe with other cables and chargers, other pc but nothing to charge faster as usual.
Then I decided to restore the phone to factory but continued the same, charging very slow.
Later I decided to put a global rom using miflash with mode edl ( the bootloader is closed), but the phone never entered in that mode. Use the technique of power + vol + and vol- and I got it right. In the device manager I recognized it correctly (with the correct name that usually say in the guides for this type of operations), but miflash told me it was not connected.
Also use the adb commands (also recognized the mobile without problems, leaving the id of the device, but when using the abd reboot command, but the phone do not entering in edl mode, the phone restarted normarlly, even with some .bat that does the same thing also restarts in normal mode instead of edl.
For all of this operations the pc always detect the phone correctly, only the charge was extremely slow.
My surprise came when a few days ago I tried to remove the fake rom of the Chinese store and put the global, but the pc (mine and others more than probe) did not detect the phone, just charged me.
I think the problem is not physical, because if I plug in a mouse by otg, it works correctly, which makes me think that the data pins are going correctly.
I hope I have given all the detail that is needed in case someone can help me. If not, please tell me what else I can contribute.
Many thanks in advance to those who can help and greetings.
PD: sorry for my english

TWRP Bootloop after Batery Replacement

Hello.
I have an MI5 since three years and was very happy with it , but the battery needed replacement. So following the suggestions on this forum, I Bought a Nohon battery, the replacement procedure went well until the very last moment. Unfortunately the phone turned on before I put the two parts , the one on hthe upper side of the battery and the one below the battery. SO I turned it off (it went staight to TWRP) and put back all the parts and since the I am on a TWRP Bootloop. I tried to flush the of the custom roms I have downloaded preveosly (Revolution and xiaomi.eu) but no success.
I also tried to connect the phone to a PC (ubuntu, win7 , win10) but now success, it s simply is not recongized (xiaomi drivers installed)
So i dont even no how to put a fastboot rom as the phone is not recongized. Though I would first wanted to save the photos that i have on the phone. (Connecting to pc and enabling MTP from TWRP does not work).
SO i anyone could help me ...I am out of ideas.
Thanks
Only solution I can think of is putting your Mi5 in EDL mode using the PCB test point on the mainboard. However this method will delete all content.
To give you a fair warning: I would try this if I'm 5 minutes away from throwing away the phone - as kind of a last try before giving up.
I found a video tutorial showing the steps, however not in English:
https://www.youtube.com/watch?v=ED96PJ-qYMM
The video will show how to operate the PCB test point at 4:30.
After that, you may use MiFlash tool to flash MIU ROM.
Well few days ago my phone just started normally and is working fine so far. i think though that the usb C plug might be damaged, as my phone is still not recognized by my PC.

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