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Subject:	Re: Access files on Android phone via Cygwin?
To:	cygwin AT cygwin DOT com
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	<a44dcfda-97aa-4afd-bc61-021e3885a273 AT att DOT net>
	<TYWPR01MB8789A505DB757BCBFBE1CEF1C13F2 AT TYWPR01MB8789 DOT jpnprd01 DOT prod DOT outlook DOT com>
	<668aac5e-ea04-2588-3510-3c558c111e4f AT wisemo DOT com>
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Organization:	WiseMo A/S
Message-ID:	<6719a004-3ae6-eb71-1ba6-9c7af66c359e@wisemo.com>
Date:	Thu, 28 May 2026 16:09:56 +0200
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From:	Jakob Bohm via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Jakob Bohm <jb-cygwin AT wisemo DOT com>
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On 28/05/2026 10:49, Thomas Wolff via Cygwin wrote:
> Am 27.05.2026 um 18:53 schrieb William Stewart via Cygwin:
>> On Wed, May 6, 2026 at 9:31 AM Jakob Bohm wrote:
>>
>> Folders that show up in Windows File Explorer may be actual folders
>>> available via the Windows File IO APIs, or they may be virtual 
>>> locations
>>> implemented in loadable File Explorer extensions such as the extension
>>> that allows using File Explorer to navigate inside ZIP files.  If 
>>> (and I
>>> don't know if this is the case), the Windows handling of the MTG? USB
>>> protocol is an File Explorer extension, it probably isn't exposed to
>>> other software such as Cygwin or even cmd.exe .
>>
>> I can suggest two potential solutions I have used for file transfers
>> between Android devices and Windows machines: Syncthing and ssh 
>> server/sftp
>> client.
>>
>> Regarding Syncthing: Requires folder setup and is primarily used to
>> synchronize directory contents. (Might not be suitable, depending on 
>> your
>> use case.)
>>
>> Regarding ssh server and sftp: I run sshd on the Windows side and Total
>> Commander with its sftp plugin on the Android side.
> For loading files from the phone it's actually easier to do it the 
> other way around:
> Install SFTP server 
> https://play.google.com/store/apps/details?id=ch.becke.sftp_server__s0_v1
> then use you local sftp, cd /sdcard etc.
> Or you could use adb via USB cable.
>
If adb is enabled on a phone in developer mode, adb can also be accessed 
over
TCP with SSH-like public key authentication of the PC.

But in regular consumer mode, the primary option is the USB protocol built
into Android, which for somewhat recent Android versions is the "MTP"
protocol originally designed for MP3 players and digital cameras, but in
early Android versions was the "USB disk" access to raw blocks of the SD
card inserted into the phone and implicitly unmounted by Android when the
USB cable was connected.

Enjoy

Jakob
-- 
Jakob Bohm, CIO, Partner, WiseMo A/S.  https://www.wisemo.com
Transformervej 29, 2860 Søborg, Denmark.  Direct +45 31 13 16 10
This public discussion message is non-binding and may contain errors.
WiseMo - Remote Service Management for PCs, Phones and Embedded


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