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Detected as a non USB 2.0 device with 2.1 firmware

My phone is detected by my PC as a non USB 2.0 device it is flashed with a 2.1 firmware.. JPC,JPK,JPH,DXJP1...
anyone know a solution to fix this ?

[Q] HELP USB Problems with the computer

Hello Everybody!
I've had a lot of kind of firmware in my SGS, at the momment I've a Jimmy's/Hamster's lastest Rom but the problem is common with all of Roms. I've a problem with the recognition of my SGS in my computers, it was working fine and suddenly it's not working. I don't know why and I've tried with a lot of kind of drivers... the result is the same, the device is not recognized by Windows 7 and XP (the laptop).I've tried with KIES and Mass Storage Mode but nothing
Somebody know how to fix it o any idea?
I'm starting to think my mobile plug is broken or something like that, but when you plug the wire to the mobile in all modes, it seems working fine in the mobile screen, but in the computer is not recognized.
Thank you very much everybody...

Not an expert, but I found a similar problem and there has been a couple of solutions;
a) Connecting to a laptop which was using both USB's, but the power used by the other slot was too much for the phone to be recognised. Even though the phone was connecting and charging it would not be recognised in Kies. I removed the rest of the USB's unplugged phone reconnected and it was found.
b) Downloaded the latest KIES from samsung webpage, and installed. I closed Kies, then connected the phone and it came up as a USB device. Then I started Kies and was recognised.
Hope it helps...

I've just update my issue with more information, but I tested both possible solutions that you told me but it didn't solve my problem.
There are more information here, thanks in advance
I have a SGS:
GT-I9000
Fw: 2.2.1
Kernel version: 2.6.32.9 hardcore speedmod-k12g-256hz #50
Build number: Hamster Roms V6.2
PDA: I9000XXJPY
PHONE: I9000XXJPY
CSC:I9000OXAJPY
Build Info: 2010. 12
ClockworkMod Recovery v2.5.1.0 SpeedMod ULFK
The problem is that my PC doesn't recognize my SGS.
I've the last KIES version (I've tested download only the drivers, but i could get nothing...)
I've tested in two differents PCs, Windows 7 and XP but nothing.
I was testing a lot of ROMs but really I don't know when it stopped working. I think the last update with ODIN, when it was working, was to update to SO_zImage_opt_ext_root_JPM-JP6_V4_1_OC but I'm not sure. Later I've update my SGS from CMW many times.
I've tried to access by Mass Storage and Samsung Kies but nothing...
The are some extra symphtoms:
When I connect to the charger, in my SGS is activate automatically the MTP application for KIES.
When I connect to my PC, I receive the next warning: USB Device Not Recognized: one of the USB devices attached to this computes has malfunctioned, and Windows does not recognize it....
I've update my last firmware wit WIPE option from CMW, tested with and without LAGFIX but nothing.
I think that something is wrong about the compatibility or updating proccess, but I can't access to connect my UBS in my computer, neither to ODIN with DOWNLOAD mode because my PC doesn't recognize it.
Are there any way to get my PC recognized again my SGS?
Are there any way to know if the problem is anything incompatible with Kernel version and Firmware, or anything like that?
Is normal my SCS being different that PDA or PHONE?
If somebody knows, please help me.
Thank you very much

[Q] Kies won't recognise device

I've had this problem for a while now. I've got Kies 2.0 and it won't recognise my phone. The MTP application on the phone says "Connected. Press the home key to quit Samsung Kies" but Kies just displays "Connecting...", and stays on it forever.
I can access the files fine on Mass Storage mode.
I've tried all of the following! :
- Setting my phone's USB mode to ask on connection
- Reinstalling Kies
- Flashing a new ROM
- Changing USB Ports
- Reinstalling the USB Drivers
- Deleting the "Soundhound" directory - most people said that works for them. It doesn't for me
- Just about everything
I'm running JPY Froyo on a Galaxy S, in the UK, flashed with Odin. Please guys, help?

What's about:
- Updating your drivers?
- Using the stock cable with no Hub?
- Cleaning with alcool?

Hi there
I'm not sure what you mean by updating my drivers. Which drivers are you referring to? All of my drivers are up-to-date already.
Secondly, I am already using the stock USB cable with no hub. It is not a problem with the USB cable, as I have said, Mass storage mode works absolutely fine.
I'm also not sure what you mean by "clean with alcool". Are you suggesting I dip my phone in vodka?
Thanks ;P

kingblah said:
Hi there
I'm not sure what you mean by updating my drivers. Which drivers are you referring to? All of my drivers are up-to-date already.
Secondly, I am already using the stock USB cable with no hub. It is not a problem with the USB cable, as I have said, Mass storage mode works absolutely fine.
I'm also not sure what you mean by "clean with alcool". Are you suggesting I dip my phone in vodka?
Thanks ;P
Click to expand...
Click to collapse
Hi,
I added those just because they are not in your check list.
About drivers i mean your OS system driver (USB drivers, not the samsung one).
About the alcool part i mean physically clean your USB ports and cables.
I assume you use the last Kies software? Do you have another PC to test it?
For a more detailed troubleshoot, you must now provide more data:
OS, more specs: roms/kernel/ etc...

Help! Odin3 can't find ID:Com of I9000

My I9000's Rom is SuperAOSP 8.6, when the phone was connected with pc by USB, odin3 can't find it's ID:Com.
It means I never can update my phone's rom. Please help me!

dneking said:
My I9000's Rom is SuperAOSP 8.6, when the phone was connected with pc by USB, odin3 can't find it's ID:Com.
It means I never can update my phone's rom. Please help me!
Click to expand...
Click to collapse
Try different usb port, different usb cable and were you on the download mode when trying?

Look here for my experience and click the thanks if it helps. Mine's been fine ever since cleaning but the drivers could also be the issue (a lot of people have that issue).
http://forum.xda-developers.com/showthread.php?t=993860

For me, installing samsung kies program (which included drivers) did the trick, lol

I had that issue once. When I flashed deodexed JVK, my phone had problems detected by computers. And I mean computer"S". I installed and uninstalled several drivers and even clean my USB. Nothing worked. I was told that the ROM or something I did changed the phone's characteristics. Therefore, your phone ain't have drivers for it no more.
I sent my phone for repair. Thank God, they warranted it.

usb issues
Hello everyone.
I'm desperate, after upgrading from odin, a gingerbread 2.3.4, I can not connect via USB in any way, or download, or mass storage, kies ...
as I am not root, I can not install a new kernel from cwm
I can not do anything to have recovery 3e
Anyone know solution?
these are the data now:
Firmware: 2.3.4
Base band: I9000JVP
Kernel: 2.6.35.7-CL264642 se.infra I9000JVP-SEP-40 @ # 2
Compilation: GINGERBREAD.XXJVP

Its a long shot but heidall? Also try another usb port/cable? I've even installed ubuntu before to help diagnose.
Sent from my GT-I9000M using XDA Premium App

Usb storage problem help!

Hi to all!
From Yesterday i have i sudden problem i never had.
When i connect my i9000 does not anymore show the 2 drives (usb storage of both internal external sd) on my computer.
I use Glitch kernel with latest cm7 kang.
When i connect the phone via usb to the pc,sometimes i get the erroe usb device not recognised (win 7 x64), and connects and disconnects randomly(always showing the error),other times doesnt do anything.
I tried cleaning the port,different pc usb port,different pc's, factory reset,different cable,older versions of glitch kernel or cm7.
Formatted also boot and system folders(of course also wipe data etc).
Installed kiss,boot the pc with phone off and then on.
Tried win7 x64 drivers.Sometimes i get on windows unknown device that i cannot find drivers that accepts.
On off usb debug mode and restart.
Nothing seems to work for me.
So id like to ask.....Should i try to go back on stock(firmware+kernel)?
And how is it done???
Or maybe its the port fault?

Any ideas?Noone?
Could someone please tell me how to go back on stock?
First to stock kernel then to stock firmware?
Thanks

The "device not revognised" error is related to USB debug mode, unless you have installed Google USB drivers.
Its not supposed to occur with debug mode=off.
Going back to stock (Leaked JVU) is explained here:
http://forum.xda-developers.com/showthread.php?t=1431596

Thanks for the link.
Going back to stock worked for a friend of mine,which came today(he has the same phone with cm7.2 rco and glitch kernel but with usb port working)by simpling entering on download mode and flashing with odin.Drivers installed (from samsung drivers folder,after installing kies)
On my phone,on download mode,or it doesnt say anything or i get on pc the message uknown device,cannot install etc.If i try to manual push the drivers it says the device cannot start.
So it must be a hardware related problem no??
In this case ,because i am still on warranty,is there any other way (for example via cwm) to put stock firmware and kernel in order to claim warranty?
Many thanks for your posts.