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Chip off or JTAG

Discussion of forensic issues related to all types of mobile phones and underlying technologies (GSM, GPRS, UMTS/3G, HSDPA, LTE, Bluetooth etc.)
Subforums: Mobile Telephone Case Law
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Chip off or JTAG, which would you choose?

4
26%

11
73%

 
Total Votes: 15

  

Chip off or JTAG

Post Posted: Fri Nov 08, 2013 10:00 am

So, more of a general discussion, but our forensic team is looking to move into one of these ( or both ) areas.

At the moment we are torn. Obviously costs are a concern and having just attended F3 I saw an eye opening talk from the Canadian Mounted Police (I forget his name, sorry) and he was talking about £200k and upwards for equipment.

What would people choose and what are people thoughts on either of the solutions.

Personally, I think JTAG is cheaper and obviously less destructive and would be my choice.

4Rensics

PS. If you were there, I didn't win the iPad! (But I did win something...) Wink  

4Rensics
Senior Member
 
 
  

Re: Chip off or JTAG

Post Posted: Fri Nov 08, 2013 11:01 am

- 4Rensics
.... he was talking about £200k and upwards for equipment.


Does that include the nuclear posimegatranscontrasuperfragilistic accelerator ? Question

Sorry to interfere with your poll, but I would like to see a list of equipment that sums up to UK£ 200,000 (and upwards) that is actually needed. Shocked

jaclaz
_________________
- In theory there is no difference between theory and practice, but in practice there is. - 

jaclaz
Senior Member
 
 
  

Re: Chip off or JTAG

Post Posted: Fri Nov 08, 2013 12:12 pm

Maybe that includes the building.  

Bulldawg
Senior Member
 
 
  

Re: Chip off or JTAG

Post Posted: Fri Nov 08, 2013 12:15 pm

- jaclaz
- 4Rensics
.... he was talking about £200k and upwards for equipment.


Does that include the nuclear posimegatranscontrasuperfragilistic accelerator ? Question

Sorry to interfere with your poll, but I would like to see a list of equipment that sums up to UK£ 200,000 (and upwards) that is actually needed. Shocked

jaclaz


I 2nd jaclaz comment - must be some setup to justify 200k's worth of equipment!!

I'm guessing their setup accommodates for every possibility with chips including if the chip is damaged and the bonding wires need replacement/realigning. I am aware of Chip Programmers that cost in region of 75k, however you can get ones cheaper that do the job!

...having said all that, chip-off all the way! Cool  

DCS1094
Senior Member
 
 
  

Re: Chip off or JTAG

Post Posted: Fri Nov 08, 2013 3:25 pm

First JTAG. Where JTAG is not enough you have to do Chip off. simple.  

bartekdre
Newbie
 
 
  

Re: Chip off or JTAG

Post Posted: Sun Nov 10, 2013 10:16 pm

How often do you get damaged devices?

JTAG if you get more un- or slightly damaged devices.  

jhup
Senior Member
 
 
  

Re: Chip off or JTAG

Post Posted: Mon Nov 11, 2013 4:50 am

I'm guessing their setup accommodates for every possibility with chips including if the chip is damaged and the bonding wires need replacement/realigning.


I think this could be it.

It was beyond ridiculous. They had ultra (something) scanning equipment to see into the chips (basically xrays)

They were repairing the wiring on the boards, everything. It was crazy! (super cool, but crazy!)

If I can find the slides from the conference I will put them up for download.  

4Rensics
Senior Member
 
 
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