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Seeing what tumbnails are saved in the Blackberry .DAT file

Posted on 2011-02-28
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Last Modified: 2012-05-11
There is a media folder that contains the following files:

      thumbs116x116.dat
      thumbs116x116.key
      thumbs480x360.dat
      thumbs480x360.key

Is there a way to see the tumbnailswithin the files?
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Question by:rayluvs
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by:kpltechgroup
ID: 35007311
I think they are only indexes to the thumbnails

for instance BIGPICTURE.jpg has a file thumbs116x116.dat and that holds info that binds BIGPICTURE.jpg to BIGPICTUREthumb.png or jpg

How big are the files?
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Author Comment

by:rayluvs
ID: 35007444
around 20 megs
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Expert Comment

by:kpltechgroup
ID: 35007471
each of them? wow thats alot of pictures...

Have you tried right clicking on it and hitting open with notepad (dat files)
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Author Comment

by:rayluvs
ID: 35008300
just one... the rest is 1 to 2 meg.

I haven't tried the notepad since what I need is to see the actual thumbnail image.
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Expert Comment

by:kpltechgroup
ID: 35008352
Yes I know but usually data files are plain text so if you see text or xml code you'll know its just a binding file.
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Author Comment

by:rayluvs
ID: 35009401
I thought that the thumbnails files holds a thumbnale image of a pic in Blackberry Pictures folder.

please explain.
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Expert Comment

by:kpltechgroup
ID: 35009521
well on my blackberry i have those files. But I have a thumbnails hidden folder that actually stores the images.

Do you have show hidden files and folders set to on? have you tried looking on the device under blackberry\pictures?
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Author Comment

by:rayluvs
ID: 35011400
yes I can see the blackberry\pictures folder, the thing is that I deleted the folder contents via USB and wanted to return all pics back, and wanted to see the thumbnail in order to know which were in the blackberry\pictures.

Is there a way to see, at least a vague image, the images within the thumbnail?
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Accepted Solution

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kpltechgroup earned 500 total points
ID: 35011444
No the most you'll get is the file names :( by going to notepad...

Even if it did you would need to extracted using source. This is impossible as RIM keeps that very secure.
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Author Comment

by:rayluvs
ID: 35011605
Whats "RIM"?
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by:kpltechgroup
ID: 35011628
Research in Motion the people that make your blackberry
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by:kpltechgroup
ID: 35011629
Research in Motion the people that make your blackberry :)
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by:kpltechgroup
ID: 35011643
Sorry for double post I'm on my blackberry. Let me know if you need any other info
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Author Comment

by:rayluvs
ID: 35011750
Is there any technical paper on this topic of thumbnails?
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Expert Comment

by:kpltechgroup
ID: 35011848
I don't believe so. Try opening the dat in notepad for the names. As I said before RIM will keep this information secure :(

You could try calling RIM directly for a more direct answer but being a BB support agent and GSR. I'm pretty sure those files don't hold actual jpeg data :(
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Author Comment

by:rayluvs
ID: 35046591
I have tried contacting RIM with no success,

Notepad won't help, I need to see the actual thumbnail image.

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Assisted Solution

by:kpltechgroup
kpltechgroup earned 500 total points
ID: 35046608
Yes as I said before these files don't store the thumbnail data just links to the thumbs also the data would be encrypted. RIM is big with secuirity.

Sorry I don't have a better answer.
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Author Comment

by:rayluvs
ID: 35069839
I guess I'll close the question.
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Author Closing Comment

by:rayluvs
ID: 35069862
thanx
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by:kpltechgroup
ID: 35069873
Sorry I helped as much as I could. :(

If there was a clean cut answer trust me I would love to give it to you.

I repair about 3 blackberry's a day. And I've had this asked before.

Thanks for the points though. I know its tough when we loose pictures.

Have you over written anything to the card? you said you deleted by accident? Have you tried a program like undelete or Getdataback?
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Author Comment

by:rayluvs
ID: 35070043
No.  But if the thumbnail DAT file have no images saved in them, then that is what I wanted to know.

Thanx
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Expert Comment

by:kpltechgroup
ID: 35070119
could you post the file? I could try a few things?
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Author Comment

by:rayluvs
ID: 35070179
I deleted them.
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Expert Comment

by:kpltechgroup
ID: 35070592
Sorry about the picture loss try a backup program of the sorts
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