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I have a rooted stock ICS SGS2. Since a couple of weeks my USB connection on my laptop isn't working anymore. When I connect the SGS2 to USB, nothing happens on the phone and nothing happens on the laptop.
No "unknown device", no "USB connection" beep, no USB connection on the phone.
I tried a differtent cable, didnt work. I tried on another PC, didnt work.
I change developer USB-settings (USB error check) but didnt work.
I searched a lot, but couldn't find any solution. Can anyone please help me?
P.S. Running on Windows 7 64x Professional
edwindejong said:
I have a rooted stock ICS SGS2. Since a couple of weeks my USB connection on my laptop isn't working anymore. When I connect the SGS2 to USB, nothing happens on the phone and nothing happens on the laptop.
No "unknown device", no "USB connection" beep, no USB connection on the phone.
I tried a differtent cable, didnt work. I tried on another PC, didnt work.
I change developer USB-settings (USB error check) but didnt work.
I searched a lot, but couldn't find any solution. Can anyone please help me?
P.S. Running on Windows 7 64x Professional
Click to expand...
Click to collapse
does your phone charge when conneted to the computer, you do not need drivers for that. If it does not try cleaning the usb port on your phone, there maybe dust or something stopping the cable from making ful contact.
Hi,
I had a similar problem ,
1-first try to check in parmater section -> stockage if usb debugging is on
2-Second try to reinstall kies for drivers
3-> change cable or clean your usb port with a toothbruch (slightely hhhh)
4-> if nothing of these solutions works and you get an unknow device also with odin that means youre usb port is broken, it simple to change and dont cost a lot (170 MAD for me ).
There are other threads that spoke about the same problem.Hope it works
My phone charges when connected. I also tried re-installing Kies and cleaned the phone port. Nothing helped
As mentioned before, i tried lots of USB ports, also other PC's and other cables. Still not working.
Any clue?
If you've tried 'everything', then it's a hardware issue. Unroot it, reset the flash counter, send it in for warranty service.
People!, I'm about to pull all my hair out on this one
Vibrant is soft bricked in a boot loop after a incomplete flash, I am able to get it into download mode but both my windows machines say USB device isnot recognized, and thus, I cant use ODIN to return to stock. When I try to manually point windows to the samsung drivers I get nothing…
So far I have tried drivers from:
-Bay_wolf's AIO Vibrant Toolbox 2.5
-USB drivers for vibrant from samsung support site
-Drivers from samsung keyes
Side notes that might help: I was perviously using a Hellybean Rom. My device displays "Galaxy S gt-9000" on boot... not sure when that came to be but maybe some rom changed some important recognition stuff??...
I found this thread http://forum.xda-developers.com/showthread.php?t=1008383 but no help...
Any help would be greatly appreciated!!
Try a different USB cable. This happens more than you'd think. Even cables that have worked just fine hundreds of times.
Also.... Locate the drivers in system/device manager and delete them manually and try to install them again. Unplug device and install fresh ones from either aio toolbox or Kies, then plug phone back in.
Best of luck!
Toast6977 said:
Try a different USB cable. This happens more than you'd think. Even cables that have worked just fine hundreds of times.
Also.... Locate the drivers in system/device manager and delete them manually and try to install them again. Unplug device and install fresh ones from either aio toolbox or Kies, then plug phone back in.
Best of luck!
Click to expand...
Click to collapse
Thanks a ton for reply but, sadly, no dice.
Tried connecting the phone, getting the "unrecognized device" prompt, finding "unknown device" in device manager, right clicking to uninstall. rebooting my machine, using various install methods to re-install drivers, re-connecting, and nothing.. same issue...
I lost the original cable a while back, but can't accept that NONE of the other 5 cables used are all broke... specially if the computer recognizes something going on... is it worth buying a new one?
Losing hope here, been like this for 4 days now, think it's time to go get a new phone. :crying:
Even so, it would have been nice to get what was a perfectly working phone back if only to keep it as a mp3 payer.
If anybody in New York, NY has a working odin set up that can do this for me, I have a 6 pack of your favorite beer with your name on it.
It could be a hardbrick such as bootloader getting corrupted that happened to my Sony Xperia Play (now an expensive paper weight).
I assume you boot into download mode by holding the two volume buttons, then connect the cable? Have you tried on a different PC? It can also be the weak powered USB port on the PC. Also when you uninstall the Samsung driver, check the option to also delete USB driver and uninstall any drivers. Also which version of the driver are you using, have you tried version Samsung USB Driver 1.5.3? And the drivers from here: http://www.samsung.com/us/support/owners/product/SGH-T959ZKATMB#
For what its worth, the gt i9000 screen appears after your on a custom GB boot loader and Odin back to stock (or probably Odin flashing any other ROM) you can change it by flashing the GB boot loader again. My phone says its a i9000 too, but I'm just about lazy enough to not bother changing it, lol.
So that's unrelated.
eksasol said:
It could be a hardbrick such as bootloader getting corrupted that happened to my Sony Xperia Play (now an expensive paper weight).
I assume you boot into download mode by holding the two volume buttons, then connect the cable? Have you tried on a different PC? It can also be the weak powered USB port on the PC. Also when you uninstall the Samsung driver, check the option to also delete USB driver and uninstall any drivers. Also which version of the driver are you using, have you tried version Samsung USB Driver 1.5.3? And the drivers from here: http://www.samsung.com/us/support/owners/product/SGH-T959ZKATMB#
Click to expand...
Click to collapse
Ok, faith momentarily restored. But I have questions:
-What do you mean when you say "check the option to also delete USB driver and uninstall any drivers"? I dont get such a prompt from right clicking on "unknown device" and selecting uninstall? Is there another method to uninstalling drivers?
-In the link attached, I can only find "Device(Install),USB Driver (Software) (ver.1.0)" not the 1.5.3 version mentioned. What am i doing wrong here? currently searching google for the 1.5.3 but finding nothing.
I get into download mode by holding volume- up + power. Have 2 PCs ( win xp and win 7) and a mac running mountain lion (but never ever have been able to get Heimdall to work, so devoting time to odin.)
Thank you for the time + help, guys, I really do appreciate it in the time of utter un-nerdness.
If the device is already installed it will have a check box that said "Delete the driver software for this device." If its unknown then obviously not. By "uninstall any driver", I mean uninstall any Android drivers you current have installed and reboot before you reinstall the new driver.
Although I doubt it will make a difference than the one I linked above, you can try the Samsung driver version 1.5.3: http://www.mediafire.com/?r0uc3h413qcy80z
If you did manage to get into download mode and see this: http://images.google.com/search?num=10&hl=en&site=&tbm=isch&source=hp&q=download+mode
Then it mean there is a very good chance you can restore the phone, if you can find a computer to recognize it and Odin to see a COM port.
I definitely think it would be worth the money to go buy an OEM USB cord. I can't tell you how many times I have seen this and a new USB is the fix.
sent from the depths of helly bean
OK guys...
My friend, who also owns a Vibrant, let me borrow the cable that came with the phone for the last 2 days.
Tried to make ODIN work on both PCs at home, gave Heimdall a shot on my mac, even hijacked a computer at work for the better part of the morning and freshly installed USB drivers 1.5.3 before connecting. All for nothing... “Unknown device” across the board....
At first I felt that with being able to get into download and have SOME kind of a reaction from connecting to PC had to be a good sign. Almost completely convinced that there is some unknown, unworkable hardware problem present. Definitely, officially, unremarkably out of ideas here.
Nothing is beautiful and everything hurts.
Last thoughts? Options at this point?
Also, tried One-click Unbrick tool on mac. I got a "is your phone plugged in, is it on download mode?" error, but anyone reading this down the line with a similar problem should check it out.
http://forum.xda-developers.com/showthread.php?p=15330252
Hi guys!
I have a rooted international Galaxy S3 (i9300) phone with a custom rom: UltimaRom (version 8.x), and using XXELLA kernel (?) and XXELLA Modem version.
Since a while, I'm trying to manage the files in it (phone memory or sd card) from my computer, simply by using an USB cable (the one given with the phone or even other cables, it doesn't matter) and the standard MTP protocol, which is used by Google since Android 3.0. And, whatever I try to do, Windows doesn't seem to notice anything. In my device manager, nothing appears. Nothing either in the "My Computer" window, it just doesn't "exist". No reaction at all from Windows. The Phone's charging, but this is all it is.
And I have the same problem using another computer (like my own laptop, or my brother's one). All computers are running Windows 8 x64 Pro.
I tried to install, re install, delete, etc. all the phone drivers I have on this computer, tried to install Samsung Kies, tried some "mounting" apps on the Play Store, nothing's working.
What should I do to make it work?
Thanks a lot!
Might be stating the obvious but is your phone set at usb debugging? I have the same issue from time to time but when I unplug and plug back it fixes itself.
Hope you get your stuff fixed soon.
Sent from my GT-I9300 using xda app-developers app
Thanks for your response.
Yes, USB Debugging is enabled.
Jiraiya-08 said:
Hi guys!
I have a rooted international Galaxy S3 (i9300) phone with a custom rom: UltimaRom (version 8.x), and using XXELLA kernel (?) and XXELLA Modem version.
Since a while, I'm trying to manage the files in it (phone memory or sd card) from my computer, simply by using an USB cable (the one given with the phone or even other cables, it doesn't matter) and the standard MTP protocol, which is used by Google since Android 3.0. And, whatever I try to do, Windows doesn't seem to notice anything. In my device manager, nothing appears. Nothing either in the "My Computer" window, it just doesn't "exist". No reaction at all from Windows. The Phone's charging, but this is all it is.
And I have the same problem using another computer (like my own laptop, or my brother's one). All computers are running Windows 8 x64 Pro.
I tried to install, re install, delete, etc. all the phone drivers I have on this computer, tried to install Samsung Kies, tried some "mounting" apps on the Play Store, nothing's working.
What should I do to make it work?
Thanks a lot!
Click to expand...
Click to collapse
That's odd.. I use Ultima ROM and have updated to 8.1.1. I just checked just to make sure (my last update was done OTA) and yeah, computer recognized phone right away.. heard a little computer sound and everything. I am also running Windows 8
The base changed in v8. If you haven't done a fac reset since then you should try that.
Ok I just tried to make a factory reset, nothing changes...
Oh, and if that can help: when the phone's booting, Windows says "Unrecognized device". When it's booted up, it disapears.
Anyone ?
Drivers...
I used these drivers.
It worked for me...
http://forum.xda-developers.com/showthread.php?t=1564104
Work for me too! THX
Thanks for your help !
Unfortunately it didn't work for me.... :/
Any other ideas ?
Sorry to keep rising this thread but this issue is really annoying... :/
Up
I still have the same problem. No other ideas please ?
? :/
Does Easy UMS work?
Can you connect via adb?
Does Odin recognize the phone?
If no to all of the above, try a different cable / port
Glebun said:
Does Easy UMS work?
Can you connect via adb?
Does Odin recognize the phone?
If no to all of the above, try a different cable / port
Click to expand...
Click to collapse
Thank you for your response !
- Easy UMS doesn't seem to work, even if the app doesn't show any error on the phone
- How do I connect via ADB ? I tried to connect the phone while it is in Download Mode, nothing appears on Windows or Odin
- As I said, in Download Mode, Odin doesn't seems to recognize anything...
And of course, I already tried to change the cable, the USB port, or even the computer i'm connecting the phone to...
Thanks again for your help
Starting to sound like a damaged micro USB port on the phone possibly, or a driver's problem
Oh, and there's a thing: when I reboot the phone, while the Samsung logo appears on the screen with the short jingle, the PC makes 3 or 4 times a sound like something has been plugged, and showes a "Unrecognized device" warning window. When the boot is finished, and the rom is loaded, everything just disappears and no sound is any longer made by the PC.
Also, please note that when I connect the phone to the PC (using the same PC, cable and USB port of course), the phone charges up just like before, without any problem.
have you tried the old drivers?
search Google for " Samsung USB drivers 1.4.6.0 "
disconnect your computer from the internet
Install the drivers.
don't reconnect to the internet.
connect your phone and let windows find the drivers
Well, the day before it occurred to me that I'd like to install a custom ROM, therefore I went on to plug my phone into my PC and for my surprise, the phone didn't pop that MTP warning and the PC did not recognize it.
So I went around and changed USB ports, cables and PCs, same thing.
Decided to try Mass Storage mode, when I press the START button and put in the cable it goes back into the main start screen.
So I went on and tried that *#7284# trick people used since apparently 4.0.3 bugged some crap stuff in the phone, no success either.
Strangely enough I can connect the "pendrive dongle" and it will map pendrives.
Well, I don't have my phone rooted or with SU so that means CWM from app store won't be able to install the recovery module, and I can't install... you get the picture.
Nor ODIN nor HEIMDALL will recognize my phone in recovery mode, wich suggests that the data lanes on my phone went somewhat dead.
Finally, any cable I plug in the phone says it's charging my device, wich leads me to belive that the usb port is dead.
Anyone had this issue?
Anyone can confirm me I'll have to take it to Sammy's assistance?
Sure looks like the USB is dead/dying.
Sent from my digital submersible hovercraft.
So I got one more question, can I root and/or install CWM so I do not stay dependent of the USB to update it or I do need to plug in the USB to install CWM through ODIN?
Several problems
It can be several reasons
1.the usb is dead buy new
2. try factory resetting the device
3. install kies on pc it will install all the drivers that you need
4.your usb port(of the phone) is dead
I had the same problem pc was saying "USB cannot be recognized" I TRIED EVERYTHING from factory resetting, changing pc usb ports, changing usb, changing kernel, roms, trying on other pc, reinstalling kies and drivers but nothing. The problem was in the usb port on the phone where you connect the charger on the phone. That part is weak and so you have to change it. Take to customer service with your warranty and they will fix it without charging anything just tell them your problem and say that you read that most of the galaxy s2 users have this problem and that you didn't touch the hardware of the phone
Angelkom said:
It can be several reasons
1.the usb is dead buy new
2. try factory resetting the device
3. install kies on pc it will install all the drivers that you need
4.your usb port(of the phone) is dead
I had the same problem pc was saying "USB cannot be recognized" I TRIED EVERYTHING from factory resetting, changing pc usb ports, changing usb, changing kernel, roms, trying on other pc, reinstalling kies and drivers but nothing. The problem was in the usb port on the phone where you connect the charger on the phone. That part is weak and so you have to change it. Take to customer service with your warranty and they will fix it without charging anything just tell them your problem and say that you read that most of the galaxy s2 users have this problem and that you didn't touch the hardware of the phone
Click to expand...
Click to collapse
Warranty has already expired.
Kies was installed on the PC, ODIN gives no info @ COM port.
I wanted to connect it just to root and install CWM so I can swap ROMs as much as I want.
Thing is, the customer service wants 1 week to assess the issue and probably 100USD to fix it.
So for some god-knows-why reason my phone decided to conect to MTP while charging, I quickly restarted it into revocery mode and flashed CF_Root w/ CWM5.5.
Successful!
Bloody USB thingy!
Now I can start messing around with the phone.
Anyone has a n00blet guide on ROMs?
I was thinking about moving to CM 10.1, one of those nightlies running 4.2.2.
This is the one I used >> CF-Root-SGS2_XW_OXX_LPE-v5.5-CWM5
Can anyone suggest actions?
For future you should change your USB-Port. Here we get one for about 15 € (about 20 $) in ebay. It's very simple to change and then you have a full working phone again. Just watch the Videos on Youtube and everyone can do this. Hope I could help!
I know that many people have issue with connecting SGS2 to PC, and i also know that there are plenty of different solutions on internet, but i wouldn't be writing here if i haven't tried literally almost every possible solution out there. I spent 2 days trying to fix this, but still no result.
PC doesn't recognize that my phone is connected, and on the rare occasions when it does - it just shows me an error with drivers - "Windows can't recognize device" or something like that. Of course i tried numerous times reinstalling drivers, Kies, i tried to connect on 3 different PCs, i bought a new cable today - still nothing (but when other phone is connected with the same cable, its recognized immediately.)
I'm running a custom ROM - XWLSW NeatROM Lite v4.8 (JB 4.1.2), but I flashed this rom several months ago and i didn't have a problem with connection until last month. I also tried several other ROMs, but nothing helped.
I tried to dial *#7284#, then change USB to Modem and then back to PDA, didn't help - the same with *#9090# and setting it to Log via Uart. And of course, USB debugging is off. I'm really desperate, the phone is working fine in any other way, but this is a huge complication for me, so any help would be greatly appreciated.
Also sorry for my english, I'm Slovak.
Hmm, could be a problem with the USB port in the phone. I had the same symptoms and turns out the USB port was damaged so i got it replaced (i has warranty)
Also have you tried if ODin recognizes the phone? Go into Download mode and open Odin. If you see yellow (or blue) box with writing "com:" something than you're good. Otherwise it's the first alternative
I tried Odin, still nothing. Well, I hope it's not a problem with phone USB port - i have a warranty, but I bought it on Cyprus.
Is there any other solution?
I know this.It's a Sammy ROM bug.I had it too on stock 4.0.3.Since 4.2.2 I don't have it.
Well, yesterday I tried SentinelROM v4.75-CM10.1, which has 4.2.2 FW, and still the same problem