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Re: Can’t Set File Permissions

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On 03/06/2026 15:37, Maria Sophia wrote:
> Alan Peeling wrote:
>>> Let us know how it works out as this is a general process for all apps.
>> App Manager reveals that the package name is com.siber.gsserver .
>> The goalposts have moved. Everybody now agrees that GoodSync has all the
>> file access permissions that Android can grant it. However GoodSync
>> Support state the following:
>>
>> _errors occur when GoodSync tries to read certain folders... On modern
>> Android, those app-private folders may still be protected by the OS even
>> when All files access is granted... Because of Android OS restrictions,
>> access to those folders is not available to GoodSync_
>>
>> The question now is not how to grant file access through Android's
>> updated user interface, but is it possible to remove this extra layer of
>> file protection using adb?
> 
> Thanks for letting us know the package name and the particulars, as I had
> guessed wrongly on the original package name so I apologize for that error.
> 
> The problem seems to be, from what you've found out, that later Android
> versions won't allow the Goodsync package access to protected folders.
> 
> This is an intentional, hard‑enforced security boundary in the OS.
>   <https://developer.android.com/training/data-storage/manage-all-files>
> The restriction is enforced by the OS, not by permissions you can toggle.
> 
> I looked up whether Shizuku would help, since it runs a privileged service.
> But even Shizuku can't turn a normal app into a privileged system app.
> 
> I'm just guessing, but you might be able to access other apps' storage
> areas from those other apps (note the distinction) using this tool.
>   <https://f-droid.org/packages/name.lmj001.savetodevice>
>   <https://f-droid.org/repo/name.lmj001.savetodevice_5.apk>
>   Name: name.lmj001.savetodevice_5.apk
>   Size: 3567038 bytes (3483 KiB)
>   SHA256: 9B7B5BAC62DEEF56F04C3877F7B705F7545C1C67B527C6357B05F2FE848BDD6E
> 
> It does amazing things for me, e.g., I can download any free package on the
> google repository without installing it & without a mothership account.
>   <https://xdaforums.com/t/tutorial-how-to-use-adb-scrcpy-save-on-device-aurora-store-to-archive-google-play-apk-bundles-without-needing-a-google-account-all-from-your-pc.4789145/>
> 
> Note that most people would say that's impossible, and yet, I do it.
> 
> Maybe you can use it to save the stuff you want to save, but this won't
> use Goodsync directly. It will use each app directly & then use Goodsync.
> 
> It's a long shot, but you might come up with a flow that works for you.

> Thanks for letting us know the package name and the particulars, as I had guessed wrongly on the original package name so I apologize for that error.

I think you can be forgiven for that, thanks for your help, I think the 
end is in sight.

I'm grateful for the reference to Android file management, the nub is 
“Write access to all internal storage directories⁠ except 
/Android/data/, /sdcard/Android, and most subdirectories of 
/sdcard/Android”. Distressingly, it doesn’t document a workaround.

I’m a bit bewildered. I went to 
<https://f-droid.org/packages/name.lmj001.savetodevice> and installed 
Save. It appears not to be a stand-alone app but an adjunct to something 
called Android Sharesheet, which supports apps’ sending data to one 
another. Save is concerned with saving files on an Android device. I 
have no need for chatter between apps or for the saving of files on 
phones. Is the idea to use Save to access files from the Android storage 
and ‘save’ them somewhere else? That would be an ad-hoc backup strategy 
lacking the excellent and desirable synchronisation capabilities of 
GoodSync, so I don’t think I would go for it.

“It will use each app directly & then use Goodsync.” I don't follow 
this, is the idea that we would visit each app on the phone and copy its 
private files, then somehow pass them over to GoodSync?

To recap: I am trying to back up a phone but the OS won’t let the backup 
app have access to all the files that need to be copied to a safe 
location. I want some way to give GoodSync permission to work with the 
forbidden files, or some way to configure the OS so it removes its 
protection from the currently-inaccessible files. It now seems that I am 
out of luck.

Samsung Smart Switch for Windows seems to back up every file on an 
Android phone, albeit in a crass fashion, does anybody know how it does 
it? Could it use what Maria Sophia calls ‘a privileged system app’?

-- 
Alan in the UK

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Thread

Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-02 14:59 +0100
  Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-02 09:30 -0600
    Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-02 16:50 +0100
      Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-02 18:33 -0600
        Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-03 12:59 +0100
          Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-03 08:37 -0600
            Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-03 23:04 +0100
              Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-03 17:37 -0600
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-04 22:02 +0100
              Re: Can’t Set File Permissions "Carlos E.R." <robin_listas@es.invalid> - 2026-06-04 08:20 +0200
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-04 21:52 +0100
                Re: Can’t Set File Permissions "Carlos E.R." <robin_listas@es.invalid> - 2026-06-05 13:33 +0200
                Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-05 07:10 -0600
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-05 16:07 +0100
                Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-05 10:41 -0600
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-05 23:06 +0100
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-05 23:22 +0100
                Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-05 19:12 -0600
                Re: Can’t Set File Permissions Andy Burns <usenet@andyburns.uk> - 2026-06-06 08:40 +0100
                Re: Can’t Set File Permissions Dave Royal <dave@dave123royal.com> - 2026-06-05 16:42 +0000
                Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-05 10:54 -0600
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-07 12:46 +0100
                Re: Can’t Set File Permissions "Carlos E.R." <robin_listas@es.invalid> - 2026-06-07 14:32 +0200
                Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-07 09:46 -0600
                Re: Can’t Set File Permissions "Carlos E.R." <robin_listas@es.invalid> - 2026-06-07 20:09 +0200
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-07 19:57 +0100
                Re: Can’t Set File Permissions "Carlos E.R." <robin_listas@es.invalid> - 2026-06-07 23:09 +0200
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-08 00:45 +0100
                Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-07 23:11 -0600
                Re: Can’t Set File Permissions "Carlos E.R." <robin_listas@es.invalid> - 2026-06-08 09:47 +0200
                Re: Can?t Set File Permissions Frank Slootweg <this@ddress.is.invalid> - 2026-06-21 14:33 +0000
                Doing a backup [Was: Can’t Set File Permissions] "Carlos E.R." <robin_listas@es.invalid> - 2026-06-08 13:11 +0200
                Re: Doing a backup Maria Sophia <mariasophia@comprehension.com> - 2026-06-08 10:51 -0600
                Re: Doing a backup "Carlos E.R." <robin_listas@es.invalid> - 2026-06-08 21:19 +0200
                Re: Doing a backup Maria Sophia <mariasophia@comprehension.com> - 2026-06-08 20:40 -0600
                Re: Doing a backup "Carlos E.R." <robin_listas@es.invalid> - 2026-06-09 20:04 +0200
                Re: Doing a backup Maria Sophia <mariasophia@comprehension.com> - 2026-06-09 12:41 -0600
                Re: Doing a backup "Carlos E.R." <robin_listas@es.invalid> - 2026-06-09 22:26 +0200
                Re: Doing a backup Dave Royal <dave@dave123royal.com> - 2026-06-09 21:57 +0100
                Re: Doing a backup [Was: Can’t Set File Permissions] "Carlos E.R." <robin_listas@es.invalid> - 2026-06-08 21:33 +0200
                Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-07 09:27 -0600
                Re: Can?t Set File Permissions Frank Slootweg <this@ddress.is.invalid> - 2026-06-21 14:16 +0000
                Re: Can?t Set File Permissions "Carlos E. R." <robin_listas@es.invalid> - 2026-06-21 19:01 +0200
                Re: Can?t Set File Permissions Frank Slootweg <this@ddress.is.invalid> - 2026-06-22 14:44 +0000
  Re: Can’t Set File Permissions "Carlos E.R." <robin_listas@es.invalid> - 2026-06-02 18:06 +0200
    Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-02 20:01 +0100

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