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Old January 8th 19, 12:04 AM posted to alt.windows7.general
Paul[_32_]
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Posts: 11,873
Default Transferring files to Tablet via USB Cable Looses Original Time& Dates of Files

wrote:
SNIP
Probably not going to keep the original timestamps when using
Windows/File Explorer. When it creates a new file (the destination for
a copy operation), the timestamp will be when the file was created.

You can try using the command shell to do copy operations, like using
robocopy included in Windows. See:

https://superuser.com/a/1326224

Not sure how you are copying files from your PC to your tablet if
Windows on the PC is not assigned a drive letter to the tablet. How
are you going to transfer the .zip file from the PC to the tablet
without a drive letter for the tablet?


The tablet is a Samsung Galaxy Tab A model : SM-T280.

The name of the device is displayed using Windows explorer, but
no drive letter. Therefore, I am not able to use the command,
"copy *.* E:" (copy all files at present location to the E: drive)

VERY IMPORTANT:

I forgot to mention that the first time I plugged this tablet, via
USB cable, into the Win7 laptop, Win7 searched for a driver,
but could NOT find a driver for the tablet.

I may search for a Windows 7 driver for this tablet, and that
might solve the problem?

You sure the USB port in the tablet is configured for file transfer?
The setting in the tablet might restrict the USB port to just charging
or other limited use. In addition, in your tablet, you might have to
change from PTP to MTP for connection protocol.

https://en.wikipedia.org/wiki/Picture_Transfer_Protocol
https://en.wikipedia.org/wiki/Media_Transfer_Protocol


BTW, I had to "Allow" access to the tablet (on the tablet) when
I first plugged it in.

John


They list a microUSB male to USB male (for plugin PC data or charging).

https://www.amazon.com/Charger-Samsu.../dp/B07FYGCD7R

But as to the MTP part, the samsung site is strangely moot.
(Moot in the sense that the site is totally irrelevant.)

They offer the usual squiddgy "modem driver", as if people sit around
pumping data via 115Kbit/sec honorable serial interface (tethered mode?).
The best part about the driver, is they use internal project names
which we don't know the mapping to model numbers.

They give instruction to "enable MTP" from tablet screen, but
that's about as helpful as they're going to get. They refuse to
use the words Windows (tm) or IBM (tm) PC. They make a reference
to "use genuine Samsung PC cable" or similar.

*******

AFAIK, MTP is a built-in on Windows 7.

On WinXP, MTP was bundled with a certain minimum version
of Windows Media Player. In the same way you might mix honey with
castor oil or something. The later version of Windows Media Player
messed with DRM somehow, as far as I can remember, so they
bundled the castor oil nobody wanted, with the WinXP MTP
driver people needed.

You may want to try setting the tablet to MTP mode first,
then plug in the cable to the Windows 7 computer. And see if
it's detected as MTP then.

Possible identifiers include the plug and play VEN/DEV,
as well as the USB class value. An official value exists
for MTP protocol.

Literally every source of information on this topic
is the "son of precision". No idea which Galaxy products
this might apply to. A galactic vacuum. By using dev values,
any initial driver confusion might be overcome, as the
new numeric value should trigger a new hardware discovery.

04e8 Samsung Electronics Co., Ltd
6860 Galaxy series, misc. (MTP mode)
6863 Galaxy series, misc. (tethering mode)
6865 Galaxy (PTP mode)
6866 Galaxy (debugging mode

You can watch with USBtreeview, after the tablet is flipped
to MTP mode, you've plugged in the cable (and Windows
has refused to deal with it).

https://www.uwe-sieber.de/usbtreeview_e.html

And people wonder why I don't own stuff like this :-/

Good luck,

Paul
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