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From: Bob Martin <bob.martin@excite.com>
Newsgroups: comp.mobile.android
Subject: Re: Thumbnails, and what creates them.
Date: 4 Nov 2024 06:06:35 GMT
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On 4 Nov 2024 at 02:50:37, Paul <nospam@needed.invalid> wrote:
> On Sun, 11/3/2024 7:03 PM, micky wrote:
>> In alt.comp.os.windows-10, on Sun, 3 Nov 2024 17:46:23 -0500, "Alan K."
>> <alan@invalid.com> wrote:
>>
>>> On 11/3/24 05:37 PM, micky wrote:
>>>> Thumbnails, and what creates them.
>>>>
>>>> I have a lot of pictures on my Android phone, and I copy them all to my
>>>> laptop, and I copy all of them to my backup drive.
>>>>
>>>>   In
>>>> c:\users\[me]\appdata\roaming\MyPhoneExplorer\XiaomiRedmiNote8Pro[bunch
>>>> of numbers]\thumbnailcache\sdcard\DCIM, I have 5 entries, 4 created
>>>> today 3 of which are of photos I viewed today (and maybeeee the other
>>>> one?), and one created in April of a photo I viewed today.
>>>>
>>>> This implies, iiuc, that windows creates the thumbnail when I do
>>>> something, view the picture in any vieweer?   Some viewers?
>>>>
>>>> At any rate, the thumbnail is used mostly, or entirely??, when using a
>>>> file manager that displays the thumbnails, right?
>>>>
>>>> So I don't have to worry about copying them to a final location, and in
>>>> fact I can delete them all, right?  If I ever need one, Windows will
>>>> recreate it????
>>> Thumbnails will be recreated as needed if deleted at anytime.  The only downside is the need to
>>> remake them.
>>
>> Thanks.  It was disturbing because the file name is the same and it took
>> me a while to see that it was in a thumbnail directory.  I thought I had
>> failed to copy all my photos from the phone to the laptop, and unrelated
>> to thumbnails, later on I found out that was true.  Most of my pictures
>> were in external storage but over 100 were in internal storage and I
>> think I had never copied them from the phone.
>>
>> I've been using MyPhoneExlorer to both connect the phone and to copy
>> from it, and I have to compare the source and dest each time to see what
>> to copy, but maybe all I need to do is plug the phone into a USB port
>> and use any of the Windows-based backup programs that don't copy what's
>> already copied.  Like robocopy or xxcopy.
>>
>
> The phone doesn't have a drive letter (meaning it is MTP and
> not USB Mass Storage type).
>
> Your phone is meant to be a puzzle. Mission accomplished.
>
> *******
>
> https://android.stackexchange.com/questions/250944/how-to-make-a-full-local-backup-of-my-phone
>
>    "There is no method to make a full backup of android smartphones.
>     It is always only a partial backup"
>
> https://android.stackexchange.com/questions/226573/adb-pull-stops-after-first-error
>
> It's the stuff nightmares are made of.

I used to use TWRP to do a full backup of my Nexus phones.