topic Re: Unknown USB Device (Device descriptor request failed) in Z Series

Unknown USB Device (Device descriptor request failed)

Temelj — Thu, 02 Feb 2017 06:00:23 GMT

Phone no longer wants to connect to a PC (Windows 10) via USB.

Windows Device Manager shows the phone as "Unknown USB Device (Device descriptor request failed)" and the phone does not provide an option to select - charging only, usb file transfer or that third option (MTP).

The Phone does appear to charge via PC USB & normal wall socket genuine charger.

Also, as the battery icon changes to charging - a solid orange led is lit while doing so. But I'm not longer receiving the notification on whether I want to connect my device in File Transfer mode.

Phone has the Android 7.0 update - 32.3.A.0.372

Any help/advice?

PS: Xperia Companion does not detect the phone and cannot be used for a software repair.

UPDATE:
Thanks NeoBeum for the proposed patches to my particular issue.

In summary:

Disable "USB selective suspend setting" under "Control Panel\Hardware and Sound\Power Options\Edit Plan Settings" in the Advanced Settings.
Uncheck "Allow the computer to turn off this device to save power" option in Device Manager for the "Universal Serial Bus controllers".

I can confirm that in my case the Xperia Z5 connects to the PC, charges from it and displays the popup "Use USB to - charge, transfer or MIDI". I can also confirm that I can debug applications from Visual Studio directly on the device.

However, I do not accept this as a solution as the windows related power settings should not affect the performance and connectivity of the Xperia Z5. These problems do not persist on other tested platforms/devices (Google Pixel, Samsung S5, Apple iPhone) connecting to the exact same computer.

I will try another Xperia Z5 Compact device to try replicate these issues.

Re: Unknown USB Device (Device descriptor request failed)

NeoBeum — Thu, 02 Feb 2017 20:02:31 GMT

What model phone?

What version of windows?

Re: Unknown USB Device (Device descriptor request failed)

Lasch — Thu, 02 Feb 2017 23:50:54 GMT

Hello!
I had the same problem, except that the phone did not charge via PC USB. I got advise from support to open Settings and then Apps and in the top right corner tap the three dots and tap "Show system" ("Visa system" in Swedish). Then scroll down alphabetically (long way!) to USB connection and tap it. Then tap "Storage" and finally tap "clean data" (rensa data). Then you have to restart the phone.

After restarting the phone it will connect to PC via USB, it will charge normally, you get the question about connection mode and it is possible to use Xperia Companion.

Unfortunately I have had to do all of that almost every time I connect the phone to a PC. Though it is nice to know that there must be some software issue, not a hardware failure, I would like to have a more permanent solution.

Anyone who has an idea?

I have a Xperia Z5 compact with the latest updates via Xperia Companion (Android 6.0.1 32.2.A.5.11), a PC running Win10 pro

Re: Unknown USB Device (Device descriptor request failed)

NeoBeum — Fri, 03 Feb 2017 01:30:04 GMT

Enable Developer Options, and goto USB Configuration, and select MTP.
You'll find the option under Networking.

http://imgur.com/qFuGSao

Let us know if there are any improvements

Re: Unknown USB Device (Device descriptor request failed)

Lasch — Fri, 03 Feb 2017 23:56:34 GMT

I have already tried that, and it didn't change anything.

To tell some of the story from the beginning, I contacted support and they gave some tips how to fix the problem, among them that operation. Then, after some more tries, we gave up, and it was decided to send the unit for reparation. Before I sent it I made two manual backups -to "the cloud" and to the SD-card. Then I tried just one last time before putting it in a box and sending it, to connect to a PC. And it worked as it should after these backups! I realised it must be a software issue and cancelled the repair. But the problem reappeared rather quickly. I contacted support again and got the tip about cleaning the USB-storage. It must be something -perhaps some app- that keeps messing up something with the USB settings when the phone is on.

Re: Unknown USB Device (Device descriptor request failed)

NeoBeum — Sat, 04 Feb 2017 02:19:32 GMT

Open up device manager in Windows, and take a screenshot of what ever has the exclamation mark

Re: Unknown USB Device (Device descriptor request failed)

Lasch — Sat, 04 Feb 2017 09:52:20 GMT

The PC doesn't detect that the phone is connected via USB cable. It doesn't show in the device manager, there are no exclamation marks. But some days ago I could see the phone as an "unknown USB unit" in the device manager at some instance. When I have made that cleaning procedure the phone is visible as a portable unit (bärbara enheter).

Re: Unknown USB Device (Device descriptor request failed)

NeoBeum — Sat, 04 Feb 2017 11:56:41 GMT

My bad, in the menu bar, go to the options and select View>>Show hidden

What version of windblows btw?

Re: Unknown USB Device (Device descriptor request failed)

NeoBeum — Sat, 04 Feb 2017 12:05:48 GMT

For Windows 10, these are the drivers that should be loaded for MTP to work

If one of those are missing, check to see what it says here:

The Phone should appear in Portable Devices, like you mentioned.

It should not appear in USB controllers... here is an example of me connecting the phone as MIDI.

To check to see if something is the correct device, Look at: Bus reported description, it should say the Model Number for your phone

Problem devices will appear in the "Other devices", here you can see the services for the Z5C and also a Samsung Galaxy that Windows knows about, but can't find a driver for.
If Windows doesn't know what it is - this is where the Exclamation mark will be

Hidden Devices/Crap thats been unplugged, will appear as the translucent devices

Re: Unknown USB Device (Device descriptor request failed)

Lasch — Sat, 04 Feb 2017 12:52:25 GMT

Yes, when Show hidden is active I can see translucent icons for not presently attatched devises -strangely enough 3 instances of my phone under portable devices - and that unknown USB unit under USB controllers (Properties: The USB device returned an invalid USB device descriptor). The device manager doesn't consider any of them attatched.

So the computer must se the phone as not attatched.

I'm sorry, but I can't see any of the png pictures you put out neither in Edge, Explorer, Firefox nor Chrome.

Re: Unknown USB Device (Device descriptor request failed)

NeoBeum — Sun, 05 Feb 2017 08:17:36 GMT

Take a screen shot of the device manager with portable and usb sections expanded.. My pictures should be approved now use the last one for a guide.

Have you ever used Regedit?

In the meantime, go to each of the instances of the device in portable and usb, and check the properties, and can you tell me the date and time for the 'First Installation'

CTRL+C works or right click the timestamp and copy and paste it in to your reply.

This will let us know which mode is being shown to the PC first, and then a failure time, or maybe a mode that caused it

Re: Unknown USB Device (Device descriptor request failed)

Temelj — Sun, 05 Feb 2017 13:47:30 GMT

It's a Z5 device E6653 and O/S is Win10.

The issue is that the device no longer pops up with the option to select the USB mode (charging, MTP or whatever) and in the windows device manager it appears as a "Unknown USB Device (device descriptor request failed)".

I am also experiencing slow charging (original charger or other charger) and quite a few crashes/restarts lately too.

I have also noticed that battery use has gone up too. It is a bit strange as I've been running the Android 7 update since Dec and it has been going good until last week.

I have a feeling that in my case the device may need to go back under warranty.

Re: Unknown USB Device (Device descriptor request failed)

Lasch — Sun, 05 Feb 2017 19:32:58 GMT

As you see on the screenshots there are three Xperia Z5 under portable units, they are from the same phone. The first two screenshots are taken with the phone attatched via USB, but it isn't recognized by the computer.

First upper part:

Then the lower part (I have a small screen):

The screenshot below is taken after the maneuvre with cleaning USB storage and restarting phone, this time I had to restart it twice. Interestingly, there is a USB unit that has exactly the same time for installation as the phone.

I first installed the phone (after it was repaired) dec 21 2016.

These has to do with the phone, I think:

USB mass storage 2017-01-31 18:04:58

USB unit 2017-01-31 18:04:58

USB unit 2017-01-30 23:56:38

I hope you can make something out of this!

Re: Unknown USB Device (Device descriptor request failed)

NeoBeum — Sun, 05 Feb 2017 19:48:41 GMT

@temelj W10 is temperamental

@lasch waiting for image approval

I'll get back to both of you later

Re: Unknown USB Device (Device descriptor request failed)

Temelj — Sun, 05 Feb 2017 23:24:20 GMT

@NeoBeum,

Thanks for the tip about USB configuration + MTP.

I have had some success (luck) but I'm not sure if this was due to any of the following reasons:

Enable Developer Options, and goto USB Configuration, and select MTP (even though it was selected) - maybe the toggle between charge and MTP did the trick.
Maybe an application was causing the issue which may have gotten updated over the weekend

I'd bank more toward 1. but to be honest it just doesn't make sense to me at all.

I know W10 is tempramental but I haven't had issues previously to Android 7 update. At least not like this.

On the weekend, the phone was totally lagging in camera mode and it crashed. Also the red battery led turned on and the phone shut off.

UPDATE: Spoke too soon!

Re: Unknown USB Device (Device descriptor request failed)

NeoBeum — Sun, 05 Feb 2017 23:37:13 GMT

Turning off the device's ability to Install Xperia/PC Companion might help too.

One of those USB Devices will be that mode because windows sees it as a disk

Re: Unknown USB Device (Device descriptor request failed)

NeoBeum — Sun, 05 Feb 2017 23:46:24 GMT

@Lasch the MTP driver was installed by Microsoft, so Windows has recognized the phone, and the internal driver identifiers for your Z5C aren't corrupted.

As I said to temelj, disable the Z5Cs ability to install, Xperia Companion.

Before you plug the phone back in to the PC, right click each device related to the phone and remove/delete. Del button works too.

RESTART PC.
Check devmgmt to make sure the devices are gone.

Once you're ready with Dev Options On with Forced MTP, and PCC/XC Install partition disabled, plug the phone back in.

Then lets see what device installs

Edit: the XC-PCC setting is in Settings, Device connection, USB config

Re: Unknown USB Device (Device descriptor request failed)

Temelj — Sun, 05 Feb 2017 23:47:53 GMT

Under Android 7.0 update, that seems to be the default setting (disable device pc companion install)

Re: Unknown USB Device (Device descriptor request failed)

NeoBeum — Sun, 05 Feb 2017 23:51:46 GMT

.@temelj be sure windows isnt doing any thing funky when you plug the phone in to USB3.0 SS or powered charge slots. You'll know because you'll hear the W10 chimes connect, disconnect connect, disconnect USB.

Waiting for the picture

Re: Unknown USB Device (Device descriptor request failed)

Temelj — Sun, 05 Feb 2017 23:58:10 GMT

Its connected to a standard USB 2 port - I have tried USB 3 SS ports too.

Thing is, it worked fine up until last week. I have had the odd - unplug/plug in to get MTP accepted but at least it was connecting.